diff --git a/database/ent/client.go b/database/ent/client.go
new file mode 100644
index 0000000..92fd80f
--- /dev/null
+++ b/database/ent/client.go
@@ -0,0 +1,692 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log"
+	"reflect"
+
+	"portfolio/database/ent/migrate"
+
+	"portfolio/database/ent/project"
+	"portfolio/database/ent/team"
+	"portfolio/database/ent/user"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+// Client is the client that holds all ent builders.
+type Client struct {
+	config
+	// Schema is the client for creating, migrating and dropping schema.
+	Schema *migrate.Schema
+	// Project is the client for interacting with the Project builders.
+	Project *ProjectClient
+	// Team is the client for interacting with the Team builders.
+	Team *TeamClient
+	// User is the client for interacting with the User builders.
+	User *UserClient
+}
+
+// NewClient creates a new client configured with the given options.
+func NewClient(opts ...Option) *Client {
+	client := &Client{config: newConfig(opts...)}
+	client.init()
+	return client
+}
+
+func (c *Client) init() {
+	c.Schema = migrate.NewSchema(c.driver)
+	c.Project = NewProjectClient(c.config)
+	c.Team = NewTeamClient(c.config)
+	c.User = NewUserClient(c.config)
+}
+
+type (
+	// config is the configuration for the client and its builder.
+	config struct {
+		// driver used for executing database requests.
+		driver dialect.Driver
+		// debug enable a debug logging.
+		debug bool
+		// log used for logging on debug mode.
+		log func(...any)
+		// hooks to execute on mutations.
+		hooks *hooks
+		// interceptors to execute on queries.
+		inters *inters
+	}
+	// Option function to configure the client.
+	Option func(*config)
+)
+
+// newConfig creates a new config for the client.
+func newConfig(opts ...Option) config {
+	cfg := config{log: log.Println, hooks: &hooks{}, inters: &inters{}}
+	cfg.options(opts...)
+	return cfg
+}
+
+// options applies the options on the config object.
+func (c *config) options(opts ...Option) {
+	for _, opt := range opts {
+		opt(c)
+	}
+	if c.debug {
+		c.driver = dialect.Debug(c.driver, c.log)
+	}
+}
+
+// Debug enables debug logging on the ent.Driver.
+func Debug() Option {
+	return func(c *config) {
+		c.debug = true
+	}
+}
+
+// Log sets the logging function for debug mode.
+func Log(fn func(...any)) Option {
+	return func(c *config) {
+		c.log = fn
+	}
+}
+
+// Driver configures the client driver.
+func Driver(driver dialect.Driver) Option {
+	return func(c *config) {
+		c.driver = driver
+	}
+}
+
+// Open opens a database/sql.DB specified by the driver name and
+// the data source name, and returns a new client attached to it.
+// Optional parameters can be added for configuring the client.
+func Open(driverName, dataSourceName string, options ...Option) (*Client, error) {
+	switch driverName {
+	case dialect.MySQL, dialect.Postgres, dialect.SQLite:
+		drv, err := sql.Open(driverName, dataSourceName)
+		if err != nil {
+			return nil, err
+		}
+		return NewClient(append(options, Driver(drv))...), nil
+	default:
+		return nil, fmt.Errorf("unsupported driver: %q", driverName)
+	}
+}
+
+// ErrTxStarted is returned when trying to start a new transaction from a transactional client.
+var ErrTxStarted = errors.New("ent: cannot start a transaction within a transaction")
+
+// Tx returns a new transactional client. The provided context
+// is used until the transaction is committed or rolled back.
+func (c *Client) Tx(ctx context.Context) (*Tx, error) {
+	if _, ok := c.driver.(*txDriver); ok {
+		return nil, ErrTxStarted
+	}
+	tx, err := newTx(ctx, c.driver)
+	if err != nil {
+		return nil, fmt.Errorf("ent: starting a transaction: %w", err)
+	}
+	cfg := c.config
+	cfg.driver = tx
+	return &Tx{
+		ctx:     ctx,
+		config:  cfg,
+		Project: NewProjectClient(cfg),
+		Team:    NewTeamClient(cfg),
+		User:    NewUserClient(cfg),
+	}, nil
+}
+
+// BeginTx returns a transactional client with specified options.
+func (c *Client) BeginTx(ctx context.Context, opts *sql.TxOptions) (*Tx, error) {
+	if _, ok := c.driver.(*txDriver); ok {
+		return nil, errors.New("ent: cannot start a transaction within a transaction")
+	}
+	tx, err := c.driver.(interface {
+		BeginTx(context.Context, *sql.TxOptions) (dialect.Tx, error)
+	}).BeginTx(ctx, opts)
+	if err != nil {
+		return nil, fmt.Errorf("ent: starting a transaction: %w", err)
+	}
+	cfg := c.config
+	cfg.driver = &txDriver{tx: tx, drv: c.driver}
+	return &Tx{
+		ctx:     ctx,
+		config:  cfg,
+		Project: NewProjectClient(cfg),
+		Team:    NewTeamClient(cfg),
+		User:    NewUserClient(cfg),
+	}, nil
+}
+
+// Debug returns a new debug-client. It's used to get verbose logging on specific operations.
+//
+//	client.Debug().
+//		Project.
+//		Query().
+//		Count(ctx)
+func (c *Client) Debug() *Client {
+	if c.debug {
+		return c
+	}
+	cfg := c.config
+	cfg.driver = dialect.Debug(c.driver, c.log)
+	client := &Client{config: cfg}
+	client.init()
+	return client
+}
+
+// Close closes the database connection and prevents new queries from starting.
+func (c *Client) Close() error {
+	return c.driver.Close()
+}
+
+// Use adds the mutation hooks to all the entity clients.
+// In order to add hooks to a specific client, call: `client.Node.Use(...)`.
+func (c *Client) Use(hooks ...Hook) {
+	c.Project.Use(hooks...)
+	c.Team.Use(hooks...)
+	c.User.Use(hooks...)
+}
+
+// Intercept adds the query interceptors to all the entity clients.
+// In order to add interceptors to a specific client, call: `client.Node.Intercept(...)`.
+func (c *Client) Intercept(interceptors ...Interceptor) {
+	c.Project.Intercept(interceptors...)
+	c.Team.Intercept(interceptors...)
+	c.User.Intercept(interceptors...)
+}
+
+// Mutate implements the ent.Mutator interface.
+func (c *Client) Mutate(ctx context.Context, m Mutation) (Value, error) {
+	switch m := m.(type) {
+	case *ProjectMutation:
+		return c.Project.mutate(ctx, m)
+	case *TeamMutation:
+		return c.Team.mutate(ctx, m)
+	case *UserMutation:
+		return c.User.mutate(ctx, m)
+	default:
+		return nil, fmt.Errorf("ent: unknown mutation type %T", m)
+	}
+}
+
+// ProjectClient is a client for the Project schema.
+type ProjectClient struct {
+	config
+}
+
+// NewProjectClient returns a client for the Project from the given config.
+func NewProjectClient(c config) *ProjectClient {
+	return &ProjectClient{config: c}
+}
+
+// Use adds a list of mutation hooks to the hooks stack.
+// A call to `Use(f, g, h)` equals to `project.Hooks(f(g(h())))`.
+func (c *ProjectClient) Use(hooks ...Hook) {
+	c.hooks.Project = append(c.hooks.Project, hooks...)
+}
+
+// Intercept adds a list of query interceptors to the interceptors stack.
+// A call to `Intercept(f, g, h)` equals to `project.Intercept(f(g(h())))`.
+func (c *ProjectClient) Intercept(interceptors ...Interceptor) {
+	c.inters.Project = append(c.inters.Project, interceptors...)
+}
+
+// Create returns a builder for creating a Project entity.
+func (c *ProjectClient) Create() *ProjectCreate {
+	mutation := newProjectMutation(c.config, OpCreate)
+	return &ProjectCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// CreateBulk returns a builder for creating a bulk of Project entities.
+func (c *ProjectClient) CreateBulk(builders ...*ProjectCreate) *ProjectCreateBulk {
+	return &ProjectCreateBulk{config: c.config, builders: builders}
+}
+
+// MapCreateBulk creates a bulk creation builder from the given slice. For each item in the slice, the function creates
+// a builder and applies setFunc on it.
+func (c *ProjectClient) MapCreateBulk(slice any, setFunc func(*ProjectCreate, int)) *ProjectCreateBulk {
+	rv := reflect.ValueOf(slice)
+	if rv.Kind() != reflect.Slice {
+		return &ProjectCreateBulk{err: fmt.Errorf("calling to ProjectClient.MapCreateBulk with wrong type %T, need slice", slice)}
+	}
+	builders := make([]*ProjectCreate, rv.Len())
+	for i := 0; i < rv.Len(); i++ {
+		builders[i] = c.Create()
+		setFunc(builders[i], i)
+	}
+	return &ProjectCreateBulk{config: c.config, builders: builders}
+}
+
+// Update returns an update builder for Project.
+func (c *ProjectClient) Update() *ProjectUpdate {
+	mutation := newProjectMutation(c.config, OpUpdate)
+	return &ProjectUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOne returns an update builder for the given entity.
+func (c *ProjectClient) UpdateOne(pr *Project) *ProjectUpdateOne {
+	mutation := newProjectMutation(c.config, OpUpdateOne, withProject(pr))
+	return &ProjectUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOneID returns an update builder for the given id.
+func (c *ProjectClient) UpdateOneID(id int) *ProjectUpdateOne {
+	mutation := newProjectMutation(c.config, OpUpdateOne, withProjectID(id))
+	return &ProjectUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// Delete returns a delete builder for Project.
+func (c *ProjectClient) Delete() *ProjectDelete {
+	mutation := newProjectMutation(c.config, OpDelete)
+	return &ProjectDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// DeleteOne returns a builder for deleting the given entity.
+func (c *ProjectClient) DeleteOne(pr *Project) *ProjectDeleteOne {
+	return c.DeleteOneID(pr.ID)
+}
+
+// DeleteOneID returns a builder for deleting the given entity by its id.
+func (c *ProjectClient) DeleteOneID(id int) *ProjectDeleteOne {
+	builder := c.Delete().Where(project.ID(id))
+	builder.mutation.id = &id
+	builder.mutation.op = OpDeleteOne
+	return &ProjectDeleteOne{builder}
+}
+
+// Query returns a query builder for Project.
+func (c *ProjectClient) Query() *ProjectQuery {
+	return &ProjectQuery{
+		config: c.config,
+		ctx:    &QueryContext{Type: TypeProject},
+		inters: c.Interceptors(),
+	}
+}
+
+// Get returns a Project entity by its id.
+func (c *ProjectClient) Get(ctx context.Context, id int) (*Project, error) {
+	return c.Query().Where(project.ID(id)).Only(ctx)
+}
+
+// GetX is like Get, but panics if an error occurs.
+func (c *ProjectClient) GetX(ctx context.Context, id int) *Project {
+	obj, err := c.Get(ctx, id)
+	if err != nil {
+		panic(err)
+	}
+	return obj
+}
+
+// QueryTeam queries the team edge of a Project.
+func (c *ProjectClient) QueryTeam(pr *Project) *TeamQuery {
+	query := (&TeamClient{config: c.config}).Query()
+	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
+		id := pr.ID
+		step := sqlgraph.NewStep(
+			sqlgraph.From(project.Table, project.FieldID, id),
+			sqlgraph.To(team.Table, team.FieldID),
+			sqlgraph.Edge(sqlgraph.M2O, true, project.TeamTable, project.TeamColumn),
+		)
+		fromV = sqlgraph.Neighbors(pr.driver.Dialect(), step)
+		return fromV, nil
+	}
+	return query
+}
+
+// Hooks returns the client hooks.
+func (c *ProjectClient) Hooks() []Hook {
+	return c.hooks.Project
+}
+
+// Interceptors returns the client interceptors.
+func (c *ProjectClient) Interceptors() []Interceptor {
+	return c.inters.Project
+}
+
+func (c *ProjectClient) mutate(ctx context.Context, m *ProjectMutation) (Value, error) {
+	switch m.Op() {
+	case OpCreate:
+		return (&ProjectCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdate:
+		return (&ProjectUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdateOne:
+		return (&ProjectUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpDelete, OpDeleteOne:
+		return (&ProjectDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
+	default:
+		return nil, fmt.Errorf("ent: unknown Project mutation op: %q", m.Op())
+	}
+}
+
+// TeamClient is a client for the Team schema.
+type TeamClient struct {
+	config
+}
+
+// NewTeamClient returns a client for the Team from the given config.
+func NewTeamClient(c config) *TeamClient {
+	return &TeamClient{config: c}
+}
+
+// Use adds a list of mutation hooks to the hooks stack.
+// A call to `Use(f, g, h)` equals to `team.Hooks(f(g(h())))`.
+func (c *TeamClient) Use(hooks ...Hook) {
+	c.hooks.Team = append(c.hooks.Team, hooks...)
+}
+
+// Intercept adds a list of query interceptors to the interceptors stack.
+// A call to `Intercept(f, g, h)` equals to `team.Intercept(f(g(h())))`.
+func (c *TeamClient) Intercept(interceptors ...Interceptor) {
+	c.inters.Team = append(c.inters.Team, interceptors...)
+}
+
+// Create returns a builder for creating a Team entity.
+func (c *TeamClient) Create() *TeamCreate {
+	mutation := newTeamMutation(c.config, OpCreate)
+	return &TeamCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// CreateBulk returns a builder for creating a bulk of Team entities.
+func (c *TeamClient) CreateBulk(builders ...*TeamCreate) *TeamCreateBulk {
+	return &TeamCreateBulk{config: c.config, builders: builders}
+}
+
+// MapCreateBulk creates a bulk creation builder from the given slice. For each item in the slice, the function creates
+// a builder and applies setFunc on it.
+func (c *TeamClient) MapCreateBulk(slice any, setFunc func(*TeamCreate, int)) *TeamCreateBulk {
+	rv := reflect.ValueOf(slice)
+	if rv.Kind() != reflect.Slice {
+		return &TeamCreateBulk{err: fmt.Errorf("calling to TeamClient.MapCreateBulk with wrong type %T, need slice", slice)}
+	}
+	builders := make([]*TeamCreate, rv.Len())
+	for i := 0; i < rv.Len(); i++ {
+		builders[i] = c.Create()
+		setFunc(builders[i], i)
+	}
+	return &TeamCreateBulk{config: c.config, builders: builders}
+}
+
+// Update returns an update builder for Team.
+func (c *TeamClient) Update() *TeamUpdate {
+	mutation := newTeamMutation(c.config, OpUpdate)
+	return &TeamUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOne returns an update builder for the given entity.
+func (c *TeamClient) UpdateOne(t *Team) *TeamUpdateOne {
+	mutation := newTeamMutation(c.config, OpUpdateOne, withTeam(t))
+	return &TeamUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOneID returns an update builder for the given id.
+func (c *TeamClient) UpdateOneID(id int) *TeamUpdateOne {
+	mutation := newTeamMutation(c.config, OpUpdateOne, withTeamID(id))
+	return &TeamUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// Delete returns a delete builder for Team.
+func (c *TeamClient) Delete() *TeamDelete {
+	mutation := newTeamMutation(c.config, OpDelete)
+	return &TeamDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// DeleteOne returns a builder for deleting the given entity.
+func (c *TeamClient) DeleteOne(t *Team) *TeamDeleteOne {
+	return c.DeleteOneID(t.ID)
+}
+
+// DeleteOneID returns a builder for deleting the given entity by its id.
+func (c *TeamClient) DeleteOneID(id int) *TeamDeleteOne {
+	builder := c.Delete().Where(team.ID(id))
+	builder.mutation.id = &id
+	builder.mutation.op = OpDeleteOne
+	return &TeamDeleteOne{builder}
+}
+
+// Query returns a query builder for Team.
+func (c *TeamClient) Query() *TeamQuery {
+	return &TeamQuery{
+		config: c.config,
+		ctx:    &QueryContext{Type: TypeTeam},
+		inters: c.Interceptors(),
+	}
+}
+
+// Get returns a Team entity by its id.
+func (c *TeamClient) Get(ctx context.Context, id int) (*Team, error) {
+	return c.Query().Where(team.ID(id)).Only(ctx)
+}
+
+// GetX is like Get, but panics if an error occurs.
+func (c *TeamClient) GetX(ctx context.Context, id int) *Team {
+	obj, err := c.Get(ctx, id)
+	if err != nil {
+		panic(err)
+	}
+	return obj
+}
+
+// QueryProject queries the project edge of a Team.
+func (c *TeamClient) QueryProject(t *Team) *ProjectQuery {
+	query := (&ProjectClient{config: c.config}).Query()
+	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
+		id := t.ID
+		step := sqlgraph.NewStep(
+			sqlgraph.From(team.Table, team.FieldID, id),
+			sqlgraph.To(project.Table, project.FieldID),
+			sqlgraph.Edge(sqlgraph.O2M, false, team.ProjectTable, team.ProjectColumn),
+		)
+		fromV = sqlgraph.Neighbors(t.driver.Dialect(), step)
+		return fromV, nil
+	}
+	return query
+}
+
+// QueryUsers queries the users edge of a Team.
+func (c *TeamClient) QueryUsers(t *Team) *UserQuery {
+	query := (&UserClient{config: c.config}).Query()
+	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
+		id := t.ID
+		step := sqlgraph.NewStep(
+			sqlgraph.From(team.Table, team.FieldID, id),
+			sqlgraph.To(user.Table, user.FieldID),
+			sqlgraph.Edge(sqlgraph.M2M, true, team.UsersTable, team.UsersPrimaryKey...),
+		)
+		fromV = sqlgraph.Neighbors(t.driver.Dialect(), step)
+		return fromV, nil
+	}
+	return query
+}
+
+// Hooks returns the client hooks.
+func (c *TeamClient) Hooks() []Hook {
+	return c.hooks.Team
+}
+
+// Interceptors returns the client interceptors.
+func (c *TeamClient) Interceptors() []Interceptor {
+	return c.inters.Team
+}
+
+func (c *TeamClient) mutate(ctx context.Context, m *TeamMutation) (Value, error) {
+	switch m.Op() {
+	case OpCreate:
+		return (&TeamCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdate:
+		return (&TeamUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdateOne:
+		return (&TeamUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpDelete, OpDeleteOne:
+		return (&TeamDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
+	default:
+		return nil, fmt.Errorf("ent: unknown Team mutation op: %q", m.Op())
+	}
+}
+
+// UserClient is a client for the User schema.
+type UserClient struct {
+	config
+}
+
+// NewUserClient returns a client for the User from the given config.
+func NewUserClient(c config) *UserClient {
+	return &UserClient{config: c}
+}
+
+// Use adds a list of mutation hooks to the hooks stack.
+// A call to `Use(f, g, h)` equals to `user.Hooks(f(g(h())))`.
+func (c *UserClient) Use(hooks ...Hook) {
+	c.hooks.User = append(c.hooks.User, hooks...)
+}
+
+// Intercept adds a list of query interceptors to the interceptors stack.
+// A call to `Intercept(f, g, h)` equals to `user.Intercept(f(g(h())))`.
+func (c *UserClient) Intercept(interceptors ...Interceptor) {
+	c.inters.User = append(c.inters.User, interceptors...)
+}
+
+// Create returns a builder for creating a User entity.
+func (c *UserClient) Create() *UserCreate {
+	mutation := newUserMutation(c.config, OpCreate)
+	return &UserCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// CreateBulk returns a builder for creating a bulk of User entities.
+func (c *UserClient) CreateBulk(builders ...*UserCreate) *UserCreateBulk {
+	return &UserCreateBulk{config: c.config, builders: builders}
+}
+
+// MapCreateBulk creates a bulk creation builder from the given slice. For each item in the slice, the function creates
+// a builder and applies setFunc on it.
+func (c *UserClient) MapCreateBulk(slice any, setFunc func(*UserCreate, int)) *UserCreateBulk {
+	rv := reflect.ValueOf(slice)
+	if rv.Kind() != reflect.Slice {
+		return &UserCreateBulk{err: fmt.Errorf("calling to UserClient.MapCreateBulk with wrong type %T, need slice", slice)}
+	}
+	builders := make([]*UserCreate, rv.Len())
+	for i := 0; i < rv.Len(); i++ {
+		builders[i] = c.Create()
+		setFunc(builders[i], i)
+	}
+	return &UserCreateBulk{config: c.config, builders: builders}
+}
+
+// Update returns an update builder for User.
+func (c *UserClient) Update() *UserUpdate {
+	mutation := newUserMutation(c.config, OpUpdate)
+	return &UserUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOne returns an update builder for the given entity.
+func (c *UserClient) UpdateOne(u *User) *UserUpdateOne {
+	mutation := newUserMutation(c.config, OpUpdateOne, withUser(u))
+	return &UserUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// UpdateOneID returns an update builder for the given id.
+func (c *UserClient) UpdateOneID(id int) *UserUpdateOne {
+	mutation := newUserMutation(c.config, OpUpdateOne, withUserID(id))
+	return &UserUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// Delete returns a delete builder for User.
+func (c *UserClient) Delete() *UserDelete {
+	mutation := newUserMutation(c.config, OpDelete)
+	return &UserDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
+}
+
+// DeleteOne returns a builder for deleting the given entity.
+func (c *UserClient) DeleteOne(u *User) *UserDeleteOne {
+	return c.DeleteOneID(u.ID)
+}
+
+// DeleteOneID returns a builder for deleting the given entity by its id.
+func (c *UserClient) DeleteOneID(id int) *UserDeleteOne {
+	builder := c.Delete().Where(user.ID(id))
+	builder.mutation.id = &id
+	builder.mutation.op = OpDeleteOne
+	return &UserDeleteOne{builder}
+}
+
+// Query returns a query builder for User.
+func (c *UserClient) Query() *UserQuery {
+	return &UserQuery{
+		config: c.config,
+		ctx:    &QueryContext{Type: TypeUser},
+		inters: c.Interceptors(),
+	}
+}
+
+// Get returns a User entity by its id.
+func (c *UserClient) Get(ctx context.Context, id int) (*User, error) {
+	return c.Query().Where(user.ID(id)).Only(ctx)
+}
+
+// GetX is like Get, but panics if an error occurs.
+func (c *UserClient) GetX(ctx context.Context, id int) *User {
+	obj, err := c.Get(ctx, id)
+	if err != nil {
+		panic(err)
+	}
+	return obj
+}
+
+// QueryTeams queries the teams edge of a User.
+func (c *UserClient) QueryTeams(u *User) *TeamQuery {
+	query := (&TeamClient{config: c.config}).Query()
+	query.path = func(context.Context) (fromV *sql.Selector, _ error) {
+		id := u.ID
+		step := sqlgraph.NewStep(
+			sqlgraph.From(user.Table, user.FieldID, id),
+			sqlgraph.To(team.Table, team.FieldID),
+			sqlgraph.Edge(sqlgraph.M2M, false, user.TeamsTable, user.TeamsPrimaryKey...),
+		)
+		fromV = sqlgraph.Neighbors(u.driver.Dialect(), step)
+		return fromV, nil
+	}
+	return query
+}
+
+// Hooks returns the client hooks.
+func (c *UserClient) Hooks() []Hook {
+	return c.hooks.User
+}
+
+// Interceptors returns the client interceptors.
+func (c *UserClient) Interceptors() []Interceptor {
+	return c.inters.User
+}
+
+func (c *UserClient) mutate(ctx context.Context, m *UserMutation) (Value, error) {
+	switch m.Op() {
+	case OpCreate:
+		return (&UserCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdate:
+		return (&UserUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdateOne:
+		return (&UserUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpDelete, OpDeleteOne:
+		return (&UserDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
+	default:
+		return nil, fmt.Errorf("ent: unknown User mutation op: %q", m.Op())
+	}
+}
+
+// hooks and interceptors per client, for fast access.
+type (
+	hooks struct {
+		Project, Team, User []ent.Hook
+	}
+	inters struct {
+		Project, Team, User []ent.Interceptor
+	}
+)
diff --git a/database/ent/ent.go b/database/ent/ent.go
new file mode 100644
index 0000000..2abb050
--- /dev/null
+++ b/database/ent/ent.go
@@ -0,0 +1,612 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"portfolio/database/ent/project"
+	"portfolio/database/ent/team"
+	"portfolio/database/ent/user"
+	"reflect"
+	"sync"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+// ent aliases to avoid import conflicts in user's code.
+type (
+	Op            = ent.Op
+	Hook          = ent.Hook
+	Value         = ent.Value
+	Query         = ent.Query
+	QueryContext  = ent.QueryContext
+	Querier       = ent.Querier
+	QuerierFunc   = ent.QuerierFunc
+	Interceptor   = ent.Interceptor
+	InterceptFunc = ent.InterceptFunc
+	Traverser     = ent.Traverser
+	TraverseFunc  = ent.TraverseFunc
+	Policy        = ent.Policy
+	Mutator       = ent.Mutator
+	Mutation      = ent.Mutation
+	MutateFunc    = ent.MutateFunc
+)
+
+type clientCtxKey struct{}
+
+// FromContext returns a Client stored inside a context, or nil if there isn't one.
+func FromContext(ctx context.Context) *Client {
+	c, _ := ctx.Value(clientCtxKey{}).(*Client)
+	return c
+}
+
+// NewContext returns a new context with the given Client attached.
+func NewContext(parent context.Context, c *Client) context.Context {
+	return context.WithValue(parent, clientCtxKey{}, c)
+}
+
+type txCtxKey struct{}
+
+// TxFromContext returns a Tx stored inside a context, or nil if there isn't one.
+func TxFromContext(ctx context.Context) *Tx {
+	tx, _ := ctx.Value(txCtxKey{}).(*Tx)
+	return tx
+}
+
+// NewTxContext returns a new context with the given Tx attached.
+func NewTxContext(parent context.Context, tx *Tx) context.Context {
+	return context.WithValue(parent, txCtxKey{}, tx)
+}
+
+// OrderFunc applies an ordering on the sql selector.
+// Deprecated: Use Asc/Desc functions or the package builders instead.
+type OrderFunc func(*sql.Selector)
+
+var (
+	initCheck   sync.Once
+	columnCheck sql.ColumnCheck
+)
+
+// columnChecker checks if the column exists in the given table.
+func checkColumn(table, column string) error {
+	initCheck.Do(func() {
+		columnCheck = sql.NewColumnCheck(map[string]func(string) bool{
+			project.Table: project.ValidColumn,
+			team.Table:    team.ValidColumn,
+			user.Table:    user.ValidColumn,
+		})
+	})
+	return columnCheck(table, column)
+}
+
+// Asc applies the given fields in ASC order.
+func Asc(fields ...string) func(*sql.Selector) {
+	return func(s *sql.Selector) {
+		for _, f := range fields {
+			if err := checkColumn(s.TableName(), f); err != nil {
+				s.AddError(&ValidationError{Name: f, err: fmt.Errorf("ent: %w", err)})
+			}
+			s.OrderBy(sql.Asc(s.C(f)))
+		}
+	}
+}
+
+// Desc applies the given fields in DESC order.
+func Desc(fields ...string) func(*sql.Selector) {
+	return func(s *sql.Selector) {
+		for _, f := range fields {
+			if err := checkColumn(s.TableName(), f); err != nil {
+				s.AddError(&ValidationError{Name: f, err: fmt.Errorf("ent: %w", err)})
+			}
+			s.OrderBy(sql.Desc(s.C(f)))
+		}
+	}
+}
+
+// AggregateFunc applies an aggregation step on the group-by traversal/selector.
+type AggregateFunc func(*sql.Selector) string
+
+// As is a pseudo aggregation function for renaming another other functions with custom names. For example:
+//
+//	GroupBy(field1, field2).
+//	Aggregate(ent.As(ent.Sum(field1), "sum_field1"), (ent.As(ent.Sum(field2), "sum_field2")).
+//	Scan(ctx, &v)
+func As(fn AggregateFunc, end string) AggregateFunc {
+	return func(s *sql.Selector) string {
+		return sql.As(fn(s), end)
+	}
+}
+
+// Count applies the "count" aggregation function on each group.
+func Count() AggregateFunc {
+	return func(s *sql.Selector) string {
+		return sql.Count("*")
+	}
+}
+
+// Max applies the "max" aggregation function on the given field of each group.
+func Max(field string) AggregateFunc {
+	return func(s *sql.Selector) string {
+		if err := checkColumn(s.TableName(), field); err != nil {
+			s.AddError(&ValidationError{Name: field, err: fmt.Errorf("ent: %w", err)})
+			return ""
+		}
+		return sql.Max(s.C(field))
+	}
+}
+
+// Mean applies the "mean" aggregation function on the given field of each group.
+func Mean(field string) AggregateFunc {
+	return func(s *sql.Selector) string {
+		if err := checkColumn(s.TableName(), field); err != nil {
+			s.AddError(&ValidationError{Name: field, err: fmt.Errorf("ent: %w", err)})
+			return ""
+		}
+		return sql.Avg(s.C(field))
+	}
+}
+
+// Min applies the "min" aggregation function on the given field of each group.
+func Min(field string) AggregateFunc {
+	return func(s *sql.Selector) string {
+		if err := checkColumn(s.TableName(), field); err != nil {
+			s.AddError(&ValidationError{Name: field, err: fmt.Errorf("ent: %w", err)})
+			return ""
+		}
+		return sql.Min(s.C(field))
+	}
+}
+
+// Sum applies the "sum" aggregation function on the given field of each group.
+func Sum(field string) AggregateFunc {
+	return func(s *sql.Selector) string {
+		if err := checkColumn(s.TableName(), field); err != nil {
+			s.AddError(&ValidationError{Name: field, err: fmt.Errorf("ent: %w", err)})
+			return ""
+		}
+		return sql.Sum(s.C(field))
+	}
+}
+
+// ValidationError returns when validating a field or edge fails.
+type ValidationError struct {
+	Name string // Field or edge name.
+	err  error
+}
+
+// Error implements the error interface.
+func (e *ValidationError) Error() string {
+	return e.err.Error()
+}
+
+// Unwrap implements the errors.Wrapper interface.
+func (e *ValidationError) Unwrap() error {
+	return e.err
+}
+
+// IsValidationError returns a boolean indicating whether the error is a validation error.
+func IsValidationError(err error) bool {
+	if err == nil {
+		return false
+	}
+	var e *ValidationError
+	return errors.As(err, &e)
+}
+
+// NotFoundError returns when trying to fetch a specific entity and it was not found in the database.
+type NotFoundError struct {
+	label string
+}
+
+// Error implements the error interface.
+func (e *NotFoundError) Error() string {
+	return "ent: " + e.label + " not found"
+}
+
+// IsNotFound returns a boolean indicating whether the error is a not found error.
+func IsNotFound(err error) bool {
+	if err == nil {
+		return false
+	}
+	var e *NotFoundError
+	return errors.As(err, &e)
+}
+
+// MaskNotFound masks not found error.
+func MaskNotFound(err error) error {
+	if IsNotFound(err) {
+		return nil
+	}
+	return err
+}
+
+// NotSingularError returns when trying to fetch a singular entity and more then one was found in the database.
+type NotSingularError struct {
+	label string
+}
+
+// Error implements the error interface.
+func (e *NotSingularError) Error() string {
+	return "ent: " + e.label + " not singular"
+}
+
+// IsNotSingular returns a boolean indicating whether the error is a not singular error.
+func IsNotSingular(err error) bool {
+	if err == nil {
+		return false
+	}
+	var e *NotSingularError
+	return errors.As(err, &e)
+}
+
+// NotLoadedError returns when trying to get a node that was not loaded by the query.
+type NotLoadedError struct {
+	edge string
+}
+
+// Error implements the error interface.
+func (e *NotLoadedError) Error() string {
+	return "ent: " + e.edge + " edge was not loaded"
+}
+
+// IsNotLoaded returns a boolean indicating whether the error is a not loaded error.
+func IsNotLoaded(err error) bool {
+	if err == nil {
+		return false
+	}
+	var e *NotLoadedError
+	return errors.As(err, &e)
+}
+
+// ConstraintError returns when trying to create/update one or more entities and
+// one or more of their constraints failed. For example, violation of edge or
+// field uniqueness.
+type ConstraintError struct {
+	msg  string
+	wrap error
+}
+
+// Error implements the error interface.
+func (e ConstraintError) Error() string {
+	return "ent: constraint failed: " + e.msg
+}
+
+// Unwrap implements the errors.Wrapper interface.
+func (e *ConstraintError) Unwrap() error {
+	return e.wrap
+}
+
+// IsConstraintError returns a boolean indicating whether the error is a constraint failure.
+func IsConstraintError(err error) bool {
+	if err == nil {
+		return false
+	}
+	var e *ConstraintError
+	return errors.As(err, &e)
+}
+
+// selector embedded by the different Select/GroupBy builders.
+type selector struct {
+	label string
+	flds  *[]string
+	fns   []AggregateFunc
+	scan  func(context.Context, any) error
+}
+
+// ScanX is like Scan, but panics if an error occurs.
+func (s *selector) ScanX(ctx context.Context, v any) {
+	if err := s.scan(ctx, v); err != nil {
+		panic(err)
+	}
+}
+
+// Strings returns list of strings from a selector. It is only allowed when selecting one field.
+func (s *selector) Strings(ctx context.Context) ([]string, error) {
+	if len(*s.flds) > 1 {
+		return nil, errors.New("ent: Strings is not achievable when selecting more than 1 field")
+	}
+	var v []string
+	if err := s.scan(ctx, &v); err != nil {
+		return nil, err
+	}
+	return v, nil
+}
+
+// StringsX is like Strings, but panics if an error occurs.
+func (s *selector) StringsX(ctx context.Context) []string {
+	v, err := s.Strings(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// String returns a single string from a selector. It is only allowed when selecting one field.
+func (s *selector) String(ctx context.Context) (_ string, err error) {
+	var v []string
+	if v, err = s.Strings(ctx); err != nil {
+		return
+	}
+	switch len(v) {
+	case 1:
+		return v[0], nil
+	case 0:
+		err = &NotFoundError{s.label}
+	default:
+		err = fmt.Errorf("ent: Strings returned %d results when one was expected", len(v))
+	}
+	return
+}
+
+// StringX is like String, but panics if an error occurs.
+func (s *selector) StringX(ctx context.Context) string {
+	v, err := s.String(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Ints returns list of ints from a selector. It is only allowed when selecting one field.
+func (s *selector) Ints(ctx context.Context) ([]int, error) {
+	if len(*s.flds) > 1 {
+		return nil, errors.New("ent: Ints is not achievable when selecting more than 1 field")
+	}
+	var v []int
+	if err := s.scan(ctx, &v); err != nil {
+		return nil, err
+	}
+	return v, nil
+}
+
+// IntsX is like Ints, but panics if an error occurs.
+func (s *selector) IntsX(ctx context.Context) []int {
+	v, err := s.Ints(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Int returns a single int from a selector. It is only allowed when selecting one field.
+func (s *selector) Int(ctx context.Context) (_ int, err error) {
+	var v []int
+	if v, err = s.Ints(ctx); err != nil {
+		return
+	}
+	switch len(v) {
+	case 1:
+		return v[0], nil
+	case 0:
+		err = &NotFoundError{s.label}
+	default:
+		err = fmt.Errorf("ent: Ints returned %d results when one was expected", len(v))
+	}
+	return
+}
+
+// IntX is like Int, but panics if an error occurs.
+func (s *selector) IntX(ctx context.Context) int {
+	v, err := s.Int(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Float64s returns list of float64s from a selector. It is only allowed when selecting one field.
+func (s *selector) Float64s(ctx context.Context) ([]float64, error) {
+	if len(*s.flds) > 1 {
+		return nil, errors.New("ent: Float64s is not achievable when selecting more than 1 field")
+	}
+	var v []float64
+	if err := s.scan(ctx, &v); err != nil {
+		return nil, err
+	}
+	return v, nil
+}
+
+// Float64sX is like Float64s, but panics if an error occurs.
+func (s *selector) Float64sX(ctx context.Context) []float64 {
+	v, err := s.Float64s(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Float64 returns a single float64 from a selector. It is only allowed when selecting one field.
+func (s *selector) Float64(ctx context.Context) (_ float64, err error) {
+	var v []float64
+	if v, err = s.Float64s(ctx); err != nil {
+		return
+	}
+	switch len(v) {
+	case 1:
+		return v[0], nil
+	case 0:
+		err = &NotFoundError{s.label}
+	default:
+		err = fmt.Errorf("ent: Float64s returned %d results when one was expected", len(v))
+	}
+	return
+}
+
+// Float64X is like Float64, but panics if an error occurs.
+func (s *selector) Float64X(ctx context.Context) float64 {
+	v, err := s.Float64(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Bools returns list of bools from a selector. It is only allowed when selecting one field.
+func (s *selector) Bools(ctx context.Context) ([]bool, error) {
+	if len(*s.flds) > 1 {
+		return nil, errors.New("ent: Bools is not achievable when selecting more than 1 field")
+	}
+	var v []bool
+	if err := s.scan(ctx, &v); err != nil {
+		return nil, err
+	}
+	return v, nil
+}
+
+// BoolsX is like Bools, but panics if an error occurs.
+func (s *selector) BoolsX(ctx context.Context) []bool {
+	v, err := s.Bools(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Bool returns a single bool from a selector. It is only allowed when selecting one field.
+func (s *selector) Bool(ctx context.Context) (_ bool, err error) {
+	var v []bool
+	if v, err = s.Bools(ctx); err != nil {
+		return
+	}
+	switch len(v) {
+	case 1:
+		return v[0], nil
+	case 0:
+		err = &NotFoundError{s.label}
+	default:
+		err = fmt.Errorf("ent: Bools returned %d results when one was expected", len(v))
+	}
+	return
+}
+
+// BoolX is like Bool, but panics if an error occurs.
+func (s *selector) BoolX(ctx context.Context) bool {
+	v, err := s.Bool(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// withHooks invokes the builder operation with the given hooks, if any.
+func withHooks[V Value, M any, PM interface {
+	*M
+	Mutation
+}](ctx context.Context, exec func(context.Context) (V, error), mutation PM, hooks []Hook) (value V, err error) {
+	if len(hooks) == 0 {
+		return exec(ctx)
+	}
+	var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
+		mutationT, ok := any(m).(PM)
+		if !ok {
+			return nil, fmt.Errorf("unexpected mutation type %T", m)
+		}
+		// Set the mutation to the builder.
+		*mutation = *mutationT
+		return exec(ctx)
+	})
+	for i := len(hooks) - 1; i >= 0; i-- {
+		if hooks[i] == nil {
+			return value, fmt.Errorf("ent: uninitialized hook (forgotten import ent/runtime?)")
+		}
+		mut = hooks[i](mut)
+	}
+	v, err := mut.Mutate(ctx, mutation)
+	if err != nil {
+		return value, err
+	}
+	nv, ok := v.(V)
+	if !ok {
+		return value, fmt.Errorf("unexpected node type %T returned from %T", v, mutation)
+	}
+	return nv, nil
+}
+
+// setContextOp returns a new context with the given QueryContext attached (including its op) in case it does not exist.
+func setContextOp(ctx context.Context, qc *QueryContext, op string) context.Context {
+	if ent.QueryFromContext(ctx) == nil {
+		qc.Op = op
+		ctx = ent.NewQueryContext(ctx, qc)
+	}
+	return ctx
+}
+
+func querierAll[V Value, Q interface {
+	sqlAll(context.Context, ...queryHook) (V, error)
+}]() Querier {
+	return QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
+		query, ok := q.(Q)
+		if !ok {
+			return nil, fmt.Errorf("unexpected query type %T", q)
+		}
+		return query.sqlAll(ctx)
+	})
+}
+
+func querierCount[Q interface {
+	sqlCount(context.Context) (int, error)
+}]() Querier {
+	return QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
+		query, ok := q.(Q)
+		if !ok {
+			return nil, fmt.Errorf("unexpected query type %T", q)
+		}
+		return query.sqlCount(ctx)
+	})
+}
+
+func withInterceptors[V Value](ctx context.Context, q Query, qr Querier, inters []Interceptor) (v V, err error) {
+	for i := len(inters) - 1; i >= 0; i-- {
+		qr = inters[i].Intercept(qr)
+	}
+	rv, err := qr.Query(ctx, q)
+	if err != nil {
+		return v, err
+	}
+	vt, ok := rv.(V)
+	if !ok {
+		return v, fmt.Errorf("unexpected type %T returned from %T. expected type: %T", vt, q, v)
+	}
+	return vt, nil
+}
+
+func scanWithInterceptors[Q1 ent.Query, Q2 interface {
+	sqlScan(context.Context, Q1, any) error
+}](ctx context.Context, rootQuery Q1, selectOrGroup Q2, inters []Interceptor, v any) error {
+	rv := reflect.ValueOf(v)
+	var qr Querier = QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
+		query, ok := q.(Q1)
+		if !ok {
+			return nil, fmt.Errorf("unexpected query type %T", q)
+		}
+		if err := selectOrGroup.sqlScan(ctx, query, v); err != nil {
+			return nil, err
+		}
+		if k := rv.Kind(); k == reflect.Pointer && rv.Elem().CanInterface() {
+			return rv.Elem().Interface(), nil
+		}
+		return v, nil
+	})
+	for i := len(inters) - 1; i >= 0; i-- {
+		qr = inters[i].Intercept(qr)
+	}
+	vv, err := qr.Query(ctx, rootQuery)
+	if err != nil {
+		return err
+	}
+	switch rv2 := reflect.ValueOf(vv); {
+	case rv.IsNil(), rv2.IsNil(), rv.Kind() != reflect.Pointer:
+	case rv.Type() == rv2.Type():
+		rv.Elem().Set(rv2.Elem())
+	case rv.Elem().Type() == rv2.Type():
+		rv.Elem().Set(rv2)
+	}
+	return nil
+}
+
+// queryHook describes an internal hook for the different sqlAll methods.
+type queryHook func(context.Context, *sqlgraph.QuerySpec)
diff --git a/database/ent/enttest/enttest.go b/database/ent/enttest/enttest.go
new file mode 100644
index 0000000..2a174da
--- /dev/null
+++ b/database/ent/enttest/enttest.go
@@ -0,0 +1,84 @@
+// Code generated by ent, DO NOT EDIT.
+
+package enttest
+
+import (
+	"context"
+	"portfolio/database/ent"
+	// required by schema hooks.
+	_ "portfolio/database/ent/runtime"
+
+	"portfolio/database/ent/migrate"
+
+	"entgo.io/ent/dialect/sql/schema"
+)
+
+type (
+	// TestingT is the interface that is shared between
+	// testing.T and testing.B and used by enttest.
+	TestingT interface {
+		FailNow()
+		Error(...any)
+	}
+
+	// Option configures client creation.
+	Option func(*options)
+
+	options struct {
+		opts        []ent.Option
+		migrateOpts []schema.MigrateOption
+	}
+)
+
+// WithOptions forwards options to client creation.
+func WithOptions(opts ...ent.Option) Option {
+	return func(o *options) {
+		o.opts = append(o.opts, opts...)
+	}
+}
+
+// WithMigrateOptions forwards options to auto migration.
+func WithMigrateOptions(opts ...schema.MigrateOption) Option {
+	return func(o *options) {
+		o.migrateOpts = append(o.migrateOpts, opts...)
+	}
+}
+
+func newOptions(opts []Option) *options {
+	o := &options{}
+	for _, opt := range opts {
+		opt(o)
+	}
+	return o
+}
+
+// Open calls ent.Open and auto-run migration.
+func Open(t TestingT, driverName, dataSourceName string, opts ...Option) *ent.Client {
+	o := newOptions(opts)
+	c, err := ent.Open(driverName, dataSourceName, o.opts...)
+	if err != nil {
+		t.Error(err)
+		t.FailNow()
+	}
+	migrateSchema(t, c, o)
+	return c
+}
+
+// NewClient calls ent.NewClient and auto-run migration.
+func NewClient(t TestingT, opts ...Option) *ent.Client {
+	o := newOptions(opts)
+	c := ent.NewClient(o.opts...)
+	migrateSchema(t, c, o)
+	return c
+}
+func migrateSchema(t TestingT, c *ent.Client, o *options) {
+	tables, err := schema.CopyTables(migrate.Tables)
+	if err != nil {
+		t.Error(err)
+		t.FailNow()
+	}
+	if err := migrate.Create(context.Background(), c.Schema, tables, o.migrateOpts...); err != nil {
+		t.Error(err)
+		t.FailNow()
+	}
+}
diff --git a/database/ent/hook/hook.go b/database/ent/hook/hook.go
new file mode 100644
index 0000000..da8a03a
--- /dev/null
+++ b/database/ent/hook/hook.go
@@ -0,0 +1,222 @@
+// Code generated by ent, DO NOT EDIT.
+
+package hook
+
+import (
+	"context"
+	"fmt"
+	"portfolio/database/ent"
+)
+
+// The ProjectFunc type is an adapter to allow the use of ordinary
+// function as Project mutator.
+type ProjectFunc func(context.Context, *ent.ProjectMutation) (ent.Value, error)
+
+// Mutate calls f(ctx, m).
+func (f ProjectFunc) Mutate(ctx context.Context, m ent.Mutation) (ent.Value, error) {
+	if mv, ok := m.(*ent.ProjectMutation); ok {
+		return f(ctx, mv)
+	}
+	return nil, fmt.Errorf("unexpected mutation type %T. expect *ent.ProjectMutation", m)
+}
+
+// The TeamFunc type is an adapter to allow the use of ordinary
+// function as Team mutator.
+type TeamFunc func(context.Context, *ent.TeamMutation) (ent.Value, error)
+
+// Mutate calls f(ctx, m).
+func (f TeamFunc) Mutate(ctx context.Context, m ent.Mutation) (ent.Value, error) {
+	if mv, ok := m.(*ent.TeamMutation); ok {
+		return f(ctx, mv)
+	}
+	return nil, fmt.Errorf("unexpected mutation type %T. expect *ent.TeamMutation", m)
+}
+
+// The UserFunc type is an adapter to allow the use of ordinary
+// function as User mutator.
+type UserFunc func(context.Context, *ent.UserMutation) (ent.Value, error)
+
+// Mutate calls f(ctx, m).
+func (f UserFunc) Mutate(ctx context.Context, m ent.Mutation) (ent.Value, error) {
+	if mv, ok := m.(*ent.UserMutation); ok {
+		return f(ctx, mv)
+	}
+	return nil, fmt.Errorf("unexpected mutation type %T. expect *ent.UserMutation", m)
+}
+
+// Condition is a hook condition function.
+type Condition func(context.Context, ent.Mutation) bool
+
+// And groups conditions with the AND operator.
+func And(first, second Condition, rest ...Condition) Condition {
+	return func(ctx context.Context, m ent.Mutation) bool {
+		if !first(ctx, m) || !second(ctx, m) {
+			return false
+		}
+		for _, cond := range rest {
+			if !cond(ctx, m) {
+				return false
+			}
+		}
+		return true
+	}
+}
+
+// Or groups conditions with the OR operator.
+func Or(first, second Condition, rest ...Condition) Condition {
+	return func(ctx context.Context, m ent.Mutation) bool {
+		if first(ctx, m) || second(ctx, m) {
+			return true
+		}
+		for _, cond := range rest {
+			if cond(ctx, m) {
+				return true
+			}
+		}
+		return false
+	}
+}
+
+// Not negates a given condition.
+func Not(cond Condition) Condition {
+	return func(ctx context.Context, m ent.Mutation) bool {
+		return !cond(ctx, m)
+	}
+}
+
+// HasOp is a condition testing mutation operation.
+func HasOp(op ent.Op) Condition {
+	return func(_ context.Context, m ent.Mutation) bool {
+		return m.Op().Is(op)
+	}
+}
+
+// HasAddedFields is a condition validating `.AddedField` on fields.
+func HasAddedFields(field string, fields ...string) Condition {
+	return func(_ context.Context, m ent.Mutation) bool {
+		if _, exists := m.AddedField(field); !exists {
+			return false
+		}
+		for _, field := range fields {
+			if _, exists := m.AddedField(field); !exists {
+				return false
+			}
+		}
+		return true
+	}
+}
+
+// HasClearedFields is a condition validating `.FieldCleared` on fields.
+func HasClearedFields(field string, fields ...string) Condition {
+	return func(_ context.Context, m ent.Mutation) bool {
+		if exists := m.FieldCleared(field); !exists {
+			return false
+		}
+		for _, field := range fields {
+			if exists := m.FieldCleared(field); !exists {
+				return false
+			}
+		}
+		return true
+	}
+}
+
+// HasFields is a condition validating `.Field` on fields.
+func HasFields(field string, fields ...string) Condition {
+	return func(_ context.Context, m ent.Mutation) bool {
+		if _, exists := m.Field(field); !exists {
+			return false
+		}
+		for _, field := range fields {
+			if _, exists := m.Field(field); !exists {
+				return false
+			}
+		}
+		return true
+	}
+}
+
+// If executes the given hook under condition.
+//
+//	hook.If(ComputeAverage, And(HasFields(...), HasAddedFields(...)))
+func If(hk ent.Hook, cond Condition) ent.Hook {
+	return func(next ent.Mutator) ent.Mutator {
+		return ent.MutateFunc(func(ctx context.Context, m ent.Mutation) (ent.Value, error) {
+			if cond(ctx, m) {
+				return hk(next).Mutate(ctx, m)
+			}
+			return next.Mutate(ctx, m)
+		})
+	}
+}
+
+// On executes the given hook only for the given operation.
+//
+//	hook.On(Log, ent.Delete|ent.Create)
+func On(hk ent.Hook, op ent.Op) ent.Hook {
+	return If(hk, HasOp(op))
+}
+
+// Unless skips the given hook only for the given operation.
+//
+//	hook.Unless(Log, ent.Update|ent.UpdateOne)
+func Unless(hk ent.Hook, op ent.Op) ent.Hook {
+	return If(hk, Not(HasOp(op)))
+}
+
+// FixedError is a hook returning a fixed error.
+func FixedError(err error) ent.Hook {
+	return func(ent.Mutator) ent.Mutator {
+		return ent.MutateFunc(func(context.Context, ent.Mutation) (ent.Value, error) {
+			return nil, err
+		})
+	}
+}
+
+// Reject returns a hook that rejects all operations that match op.
+//
+//	func (T) Hooks() []ent.Hook {
+//		return []ent.Hook{
+//			Reject(ent.Delete|ent.Update),
+//		}
+//	}
+func Reject(op ent.Op) ent.Hook {
+	hk := FixedError(fmt.Errorf("%s operation is not allowed", op))
+	return On(hk, op)
+}
+
+// Chain acts as a list of hooks and is effectively immutable.
+// Once created, it will always hold the same set of hooks in the same order.
+type Chain struct {
+	hooks []ent.Hook
+}
+
+// NewChain creates a new chain of hooks.
+func NewChain(hooks ...ent.Hook) Chain {
+	return Chain{append([]ent.Hook(nil), hooks...)}
+}
+
+// Hook chains the list of hooks and returns the final hook.
+func (c Chain) Hook() ent.Hook {
+	return func(mutator ent.Mutator) ent.Mutator {
+		for i := len(c.hooks) - 1; i >= 0; i-- {
+			mutator = c.hooks[i](mutator)
+		}
+		return mutator
+	}
+}
+
+// Append extends a chain, adding the specified hook
+// as the last ones in the mutation flow.
+func (c Chain) Append(hooks ...ent.Hook) Chain {
+	newHooks := make([]ent.Hook, 0, len(c.hooks)+len(hooks))
+	newHooks = append(newHooks, c.hooks...)
+	newHooks = append(newHooks, hooks...)
+	return Chain{newHooks}
+}
+
+// Extend extends a chain, adding the specified chain
+// as the last ones in the mutation flow.
+func (c Chain) Extend(chain Chain) Chain {
+	return c.Append(chain.hooks...)
+}
diff --git a/database/ent/migrate/migrate.go b/database/ent/migrate/migrate.go
new file mode 100644
index 0000000..1956a6b
--- /dev/null
+++ b/database/ent/migrate/migrate.go
@@ -0,0 +1,64 @@
+// Code generated by ent, DO NOT EDIT.
+
+package migrate
+
+import (
+	"context"
+	"fmt"
+	"io"
+
+	"entgo.io/ent/dialect"
+	"entgo.io/ent/dialect/sql/schema"
+)
+
+var (
+	// WithGlobalUniqueID sets the universal ids options to the migration.
+	// If this option is enabled, ent migration will allocate a 1<<32 range
+	// for the ids of each entity (table).
+	// Note that this option cannot be applied on tables that already exist.
+	WithGlobalUniqueID = schema.WithGlobalUniqueID
+	// WithDropColumn sets the drop column option to the migration.
+	// If this option is enabled, ent migration will drop old columns
+	// that were used for both fields and edges. This defaults to false.
+	WithDropColumn = schema.WithDropColumn
+	// WithDropIndex sets the drop index option to the migration.
+	// If this option is enabled, ent migration will drop old indexes
+	// that were defined in the schema. This defaults to false.
+	// Note that unique constraints are defined using `UNIQUE INDEX`,
+	// and therefore, it's recommended to enable this option to get more
+	// flexibility in the schema changes.
+	WithDropIndex = schema.WithDropIndex
+	// WithForeignKeys enables creating foreign-key in schema DDL. This defaults to true.
+	WithForeignKeys = schema.WithForeignKeys
+)
+
+// Schema is the API for creating, migrating and dropping a schema.
+type Schema struct {
+	drv dialect.Driver
+}
+
+// NewSchema creates a new schema client.
+func NewSchema(drv dialect.Driver) *Schema { return &Schema{drv: drv} }
+
+// Create creates all schema resources.
+func (s *Schema) Create(ctx context.Context, opts ...schema.MigrateOption) error {
+	return Create(ctx, s, Tables, opts...)
+}
+
+// Create creates all table resources using the given schema driver.
+func Create(ctx context.Context, s *Schema, tables []*schema.Table, opts ...schema.MigrateOption) error {
+	migrate, err := schema.NewMigrate(s.drv, opts...)
+	if err != nil {
+		return fmt.Errorf("ent/migrate: %w", err)
+	}
+	return migrate.Create(ctx, tables...)
+}
+
+// WriteTo writes the schema changes to w instead of running them against the database.
+//
+//	if err := client.Schema.WriteTo(context.Background(), os.Stdout); err != nil {
+//		log.Fatal(err)
+//	}
+func (s *Schema) WriteTo(ctx context.Context, w io.Writer, opts ...schema.MigrateOption) error {
+	return Create(ctx, &Schema{drv: &schema.WriteDriver{Writer: w, Driver: s.drv}}, Tables, opts...)
+}
diff --git a/database/ent/migrate/schema.go b/database/ent/migrate/schema.go
new file mode 100644
index 0000000..f0bd4f8
--- /dev/null
+++ b/database/ent/migrate/schema.go
@@ -0,0 +1,92 @@
+// Code generated by ent, DO NOT EDIT.
+
+package migrate
+
+import (
+	"entgo.io/ent/dialect/sql/schema"
+	"entgo.io/ent/schema/field"
+)
+
+var (
+	// ProjectsColumns holds the columns for the "projects" table.
+	ProjectsColumns = []*schema.Column{
+		{Name: "id", Type: field.TypeInt, Increment: true},
+		{Name: "name", Type: field.TypeString, Unique: true},
+		{Name: "team_project", Type: field.TypeInt, Nullable: true},
+	}
+	// ProjectsTable holds the schema information for the "projects" table.
+	ProjectsTable = &schema.Table{
+		Name:       "projects",
+		Columns:    ProjectsColumns,
+		PrimaryKey: []*schema.Column{ProjectsColumns[0]},
+		ForeignKeys: []*schema.ForeignKey{
+			{
+				Symbol:     "projects_teams_project",
+				Columns:    []*schema.Column{ProjectsColumns[2]},
+				RefColumns: []*schema.Column{TeamsColumns[0]},
+				OnDelete:   schema.SetNull,
+			},
+		},
+	}
+	// TeamsColumns holds the columns for the "teams" table.
+	TeamsColumns = []*schema.Column{
+		{Name: "id", Type: field.TypeInt, Increment: true},
+		{Name: "name", Type: field.TypeString},
+	}
+	// TeamsTable holds the schema information for the "teams" table.
+	TeamsTable = &schema.Table{
+		Name:       "teams",
+		Columns:    TeamsColumns,
+		PrimaryKey: []*schema.Column{TeamsColumns[0]},
+	}
+	// UsersColumns holds the columns for the "users" table.
+	UsersColumns = []*schema.Column{
+		{Name: "id", Type: field.TypeInt, Increment: true},
+		{Name: "name", Type: field.TypeString, Default: "John doe"},
+		{Name: "role", Type: field.TypeEnum, Enums: []string{"admin", "user", "visitor"}},
+	}
+	// UsersTable holds the schema information for the "users" table.
+	UsersTable = &schema.Table{
+		Name:       "users",
+		Columns:    UsersColumns,
+		PrimaryKey: []*schema.Column{UsersColumns[0]},
+	}
+	// UserTeamsColumns holds the columns for the "user_teams" table.
+	UserTeamsColumns = []*schema.Column{
+		{Name: "user_id", Type: field.TypeInt},
+		{Name: "team_id", Type: field.TypeInt},
+	}
+	// UserTeamsTable holds the schema information for the "user_teams" table.
+	UserTeamsTable = &schema.Table{
+		Name:       "user_teams",
+		Columns:    UserTeamsColumns,
+		PrimaryKey: []*schema.Column{UserTeamsColumns[0], UserTeamsColumns[1]},
+		ForeignKeys: []*schema.ForeignKey{
+			{
+				Symbol:     "user_teams_user_id",
+				Columns:    []*schema.Column{UserTeamsColumns[0]},
+				RefColumns: []*schema.Column{UsersColumns[0]},
+				OnDelete:   schema.Cascade,
+			},
+			{
+				Symbol:     "user_teams_team_id",
+				Columns:    []*schema.Column{UserTeamsColumns[1]},
+				RefColumns: []*schema.Column{TeamsColumns[0]},
+				OnDelete:   schema.Cascade,
+			},
+		},
+	}
+	// Tables holds all the tables in the schema.
+	Tables = []*schema.Table{
+		ProjectsTable,
+		TeamsTable,
+		UsersTable,
+		UserTeamsTable,
+	}
+)
+
+func init() {
+	ProjectsTable.ForeignKeys[0].RefTable = TeamsTable
+	UserTeamsTable.ForeignKeys[0].RefTable = UsersTable
+	UserTeamsTable.ForeignKeys[1].RefTable = TeamsTable
+}
diff --git a/database/ent/mutation.go b/database/ent/mutation.go
new file mode 100644
index 0000000..2bae4b4
--- /dev/null
+++ b/database/ent/mutation.go
@@ -0,0 +1,1399 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"portfolio/database/ent/predicate"
+	"portfolio/database/ent/project"
+	"portfolio/database/ent/team"
+	"portfolio/database/ent/user"
+	"sync"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+)
+
+const (
+	// Operation types.
+	OpCreate    = ent.OpCreate
+	OpDelete    = ent.OpDelete
+	OpDeleteOne = ent.OpDeleteOne
+	OpUpdate    = ent.OpUpdate
+	OpUpdateOne = ent.OpUpdateOne
+
+	// Node types.
+	TypeProject = "Project"
+	TypeTeam    = "Team"
+	TypeUser    = "User"
+)
+
+// ProjectMutation represents an operation that mutates the Project nodes in the graph.
+type ProjectMutation struct {
+	config
+	op            Op
+	typ           string
+	id            *int
+	name          *string
+	clearedFields map[string]struct{}
+	team          *int
+	clearedteam   bool
+	done          bool
+	oldValue      func(context.Context) (*Project, error)
+	predicates    []predicate.Project
+}
+
+var _ ent.Mutation = (*ProjectMutation)(nil)
+
+// projectOption allows management of the mutation configuration using functional options.
+type projectOption func(*ProjectMutation)
+
+// newProjectMutation creates new mutation for the Project entity.
+func newProjectMutation(c config, op Op, opts ...projectOption) *ProjectMutation {
+	m := &ProjectMutation{
+		config:        c,
+		op:            op,
+		typ:           TypeProject,
+		clearedFields: make(map[string]struct{}),
+	}
+	for _, opt := range opts {
+		opt(m)
+	}
+	return m
+}
+
+// withProjectID sets the ID field of the mutation.
+func withProjectID(id int) projectOption {
+	return func(m *ProjectMutation) {
+		var (
+			err   error
+			once  sync.Once
+			value *Project
+		)
+		m.oldValue = func(ctx context.Context) (*Project, error) {
+			once.Do(func() {
+				if m.done {
+					err = errors.New("querying old values post mutation is not allowed")
+				} else {
+					value, err = m.Client().Project.Get(ctx, id)
+				}
+			})
+			return value, err
+		}
+		m.id = &id
+	}
+}
+
+// withProject sets the old Project of the mutation.
+func withProject(node *Project) projectOption {
+	return func(m *ProjectMutation) {
+		m.oldValue = func(context.Context) (*Project, error) {
+			return node, nil
+		}
+		m.id = &node.ID
+	}
+}
+
+// Client returns a new `ent.Client` from the mutation. If the mutation was
+// executed in a transaction (ent.Tx), a transactional client is returned.
+func (m ProjectMutation) Client() *Client {
+	client := &Client{config: m.config}
+	client.init()
+	return client
+}
+
+// Tx returns an `ent.Tx` for mutations that were executed in transactions;
+// it returns an error otherwise.
+func (m ProjectMutation) Tx() (*Tx, error) {
+	if _, ok := m.driver.(*txDriver); !ok {
+		return nil, errors.New("ent: mutation is not running in a transaction")
+	}
+	tx := &Tx{config: m.config}
+	tx.init()
+	return tx, nil
+}
+
+// ID returns the ID value in the mutation. Note that the ID is only available
+// if it was provided to the builder or after it was returned from the database.
+func (m *ProjectMutation) ID() (id int, exists bool) {
+	if m.id == nil {
+		return
+	}
+	return *m.id, true
+}
+
+// IDs queries the database and returns the entity ids that match the mutation's predicate.
+// That means, if the mutation is applied within a transaction with an isolation level such
+// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
+// or updated by the mutation.
+func (m *ProjectMutation) IDs(ctx context.Context) ([]int, error) {
+	switch {
+	case m.op.Is(OpUpdateOne | OpDeleteOne):
+		id, exists := m.ID()
+		if exists {
+			return []int{id}, nil
+		}
+		fallthrough
+	case m.op.Is(OpUpdate | OpDelete):
+		return m.Client().Project.Query().Where(m.predicates...).IDs(ctx)
+	default:
+		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
+	}
+}
+
+// SetName sets the "name" field.
+func (m *ProjectMutation) SetName(s string) {
+	m.name = &s
+}
+
+// Name returns the value of the "name" field in the mutation.
+func (m *ProjectMutation) Name() (r string, exists bool) {
+	v := m.name
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// OldName returns the old "name" field's value of the Project entity.
+// If the Project object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *ProjectMutation) OldName(ctx context.Context) (v string, err error) {
+	if !m.op.Is(OpUpdateOne) {
+		return v, errors.New("OldName is only allowed on UpdateOne operations")
+	}
+	if m.id == nil || m.oldValue == nil {
+		return v, errors.New("OldName requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldName: %w", err)
+	}
+	return oldValue.Name, nil
+}
+
+// ResetName resets all changes to the "name" field.
+func (m *ProjectMutation) ResetName() {
+	m.name = nil
+}
+
+// SetTeamID sets the "team" edge to the Team entity by id.
+func (m *ProjectMutation) SetTeamID(id int) {
+	m.team = &id
+}
+
+// ClearTeam clears the "team" edge to the Team entity.
+func (m *ProjectMutation) ClearTeam() {
+	m.clearedteam = true
+}
+
+// TeamCleared reports if the "team" edge to the Team entity was cleared.
+func (m *ProjectMutation) TeamCleared() bool {
+	return m.clearedteam
+}
+
+// TeamID returns the "team" edge ID in the mutation.
+func (m *ProjectMutation) TeamID() (id int, exists bool) {
+	if m.team != nil {
+		return *m.team, true
+	}
+	return
+}
+
+// TeamIDs returns the "team" edge IDs in the mutation.
+// Note that IDs always returns len(IDs) <= 1 for unique edges, and you should use
+// TeamID instead. It exists only for internal usage by the builders.
+func (m *ProjectMutation) TeamIDs() (ids []int) {
+	if id := m.team; id != nil {
+		ids = append(ids, *id)
+	}
+	return
+}
+
+// ResetTeam resets all changes to the "team" edge.
+func (m *ProjectMutation) ResetTeam() {
+	m.team = nil
+	m.clearedteam = false
+}
+
+// Where appends a list predicates to the ProjectMutation builder.
+func (m *ProjectMutation) Where(ps ...predicate.Project) {
+	m.predicates = append(m.predicates, ps...)
+}
+
+// WhereP appends storage-level predicates to the ProjectMutation builder. Using this method,
+// users can use type-assertion to append predicates that do not depend on any generated package.
+func (m *ProjectMutation) WhereP(ps ...func(*sql.Selector)) {
+	p := make([]predicate.Project, len(ps))
+	for i := range ps {
+		p[i] = ps[i]
+	}
+	m.Where(p...)
+}
+
+// Op returns the operation name.
+func (m *ProjectMutation) Op() Op {
+	return m.op
+}
+
+// SetOp allows setting the mutation operation.
+func (m *ProjectMutation) SetOp(op Op) {
+	m.op = op
+}
+
+// Type returns the node type of this mutation (Project).
+func (m *ProjectMutation) Type() string {
+	return m.typ
+}
+
+// Fields returns all fields that were changed during this mutation. Note that in
+// order to get all numeric fields that were incremented/decremented, call
+// AddedFields().
+func (m *ProjectMutation) Fields() []string {
+	fields := make([]string, 0, 1)
+	if m.name != nil {
+		fields = append(fields, project.FieldName)
+	}
+	return fields
+}
+
+// Field returns the value of a field with the given name. The second boolean
+// return value indicates that this field was not set, or was not defined in the
+// schema.
+func (m *ProjectMutation) Field(name string) (ent.Value, bool) {
+	switch name {
+	case project.FieldName:
+		return m.Name()
+	}
+	return nil, false
+}
+
+// OldField returns the old value of the field from the database. An error is
+// returned if the mutation operation is not UpdateOne, or the query to the
+// database failed.
+func (m *ProjectMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
+	switch name {
+	case project.FieldName:
+		return m.OldName(ctx)
+	}
+	return nil, fmt.Errorf("unknown Project field %s", name)
+}
+
+// SetField sets the value of a field with the given name. It returns an error if
+// the field is not defined in the schema, or if the type mismatched the field
+// type.
+func (m *ProjectMutation) SetField(name string, value ent.Value) error {
+	switch name {
+	case project.FieldName:
+		v, ok := value.(string)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetName(v)
+		return nil
+	}
+	return fmt.Errorf("unknown Project field %s", name)
+}
+
+// AddedFields returns all numeric fields that were incremented/decremented during
+// this mutation.
+func (m *ProjectMutation) AddedFields() []string {
+	return nil
+}
+
+// AddedField returns the numeric value that was incremented/decremented on a field
+// with the given name. The second boolean return value indicates that this field
+// was not set, or was not defined in the schema.
+func (m *ProjectMutation) AddedField(name string) (ent.Value, bool) {
+	return nil, false
+}
+
+// AddField adds the value to the field with the given name. It returns an error if
+// the field is not defined in the schema, or if the type mismatched the field
+// type.
+func (m *ProjectMutation) AddField(name string, value ent.Value) error {
+	switch name {
+	}
+	return fmt.Errorf("unknown Project numeric field %s", name)
+}
+
+// ClearedFields returns all nullable fields that were cleared during this
+// mutation.
+func (m *ProjectMutation) ClearedFields() []string {
+	return nil
+}
+
+// FieldCleared returns a boolean indicating if a field with the given name was
+// cleared in this mutation.
+func (m *ProjectMutation) FieldCleared(name string) bool {
+	_, ok := m.clearedFields[name]
+	return ok
+}
+
+// ClearField clears the value of the field with the given name. It returns an
+// error if the field is not defined in the schema.
+func (m *ProjectMutation) ClearField(name string) error {
+	return fmt.Errorf("unknown Project nullable field %s", name)
+}
+
+// ResetField resets all changes in the mutation for the field with the given name.
+// It returns an error if the field is not defined in the schema.
+func (m *ProjectMutation) ResetField(name string) error {
+	switch name {
+	case project.FieldName:
+		m.ResetName()
+		return nil
+	}
+	return fmt.Errorf("unknown Project field %s", name)
+}
+
+// AddedEdges returns all edge names that were set/added in this mutation.
+func (m *ProjectMutation) AddedEdges() []string {
+	edges := make([]string, 0, 1)
+	if m.team != nil {
+		edges = append(edges, project.EdgeTeam)
+	}
+	return edges
+}
+
+// AddedIDs returns all IDs (to other nodes) that were added for the given edge
+// name in this mutation.
+func (m *ProjectMutation) AddedIDs(name string) []ent.Value {
+	switch name {
+	case project.EdgeTeam:
+		if id := m.team; id != nil {
+			return []ent.Value{*id}
+		}
+	}
+	return nil
+}
+
+// RemovedEdges returns all edge names that were removed in this mutation.
+func (m *ProjectMutation) RemovedEdges() []string {
+	edges := make([]string, 0, 1)
+	return edges
+}
+
+// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
+// the given name in this mutation.
+func (m *ProjectMutation) RemovedIDs(name string) []ent.Value {
+	return nil
+}
+
+// ClearedEdges returns all edge names that were cleared in this mutation.
+func (m *ProjectMutation) ClearedEdges() []string {
+	edges := make([]string, 0, 1)
+	if m.clearedteam {
+		edges = append(edges, project.EdgeTeam)
+	}
+	return edges
+}
+
+// EdgeCleared returns a boolean which indicates if the edge with the given name
+// was cleared in this mutation.
+func (m *ProjectMutation) EdgeCleared(name string) bool {
+	switch name {
+	case project.EdgeTeam:
+		return m.clearedteam
+	}
+	return false
+}
+
+// ClearEdge clears the value of the edge with the given name. It returns an error
+// if that edge is not defined in the schema.
+func (m *ProjectMutation) ClearEdge(name string) error {
+	switch name {
+	case project.EdgeTeam:
+		m.ClearTeam()
+		return nil
+	}
+	return fmt.Errorf("unknown Project unique edge %s", name)
+}
+
+// ResetEdge resets all changes to the edge with the given name in this mutation.
+// It returns an error if the edge is not defined in the schema.
+func (m *ProjectMutation) ResetEdge(name string) error {
+	switch name {
+	case project.EdgeTeam:
+		m.ResetTeam()
+		return nil
+	}
+	return fmt.Errorf("unknown Project edge %s", name)
+}
+
+// TeamMutation represents an operation that mutates the Team nodes in the graph.
+type TeamMutation struct {
+	config
+	op             Op
+	typ            string
+	id             *int
+	name           *string
+	clearedFields  map[string]struct{}
+	project        map[int]struct{}
+	removedproject map[int]struct{}
+	clearedproject bool
+	users          map[int]struct{}
+	removedusers   map[int]struct{}
+	clearedusers   bool
+	done           bool
+	oldValue       func(context.Context) (*Team, error)
+	predicates     []predicate.Team
+}
+
+var _ ent.Mutation = (*TeamMutation)(nil)
+
+// teamOption allows management of the mutation configuration using functional options.
+type teamOption func(*TeamMutation)
+
+// newTeamMutation creates new mutation for the Team entity.
+func newTeamMutation(c config, op Op, opts ...teamOption) *TeamMutation {
+	m := &TeamMutation{
+		config:        c,
+		op:            op,
+		typ:           TypeTeam,
+		clearedFields: make(map[string]struct{}),
+	}
+	for _, opt := range opts {
+		opt(m)
+	}
+	return m
+}
+
+// withTeamID sets the ID field of the mutation.
+func withTeamID(id int) teamOption {
+	return func(m *TeamMutation) {
+		var (
+			err   error
+			once  sync.Once
+			value *Team
+		)
+		m.oldValue = func(ctx context.Context) (*Team, error) {
+			once.Do(func() {
+				if m.done {
+					err = errors.New("querying old values post mutation is not allowed")
+				} else {
+					value, err = m.Client().Team.Get(ctx, id)
+				}
+			})
+			return value, err
+		}
+		m.id = &id
+	}
+}
+
+// withTeam sets the old Team of the mutation.
+func withTeam(node *Team) teamOption {
+	return func(m *TeamMutation) {
+		m.oldValue = func(context.Context) (*Team, error) {
+			return node, nil
+		}
+		m.id = &node.ID
+	}
+}
+
+// Client returns a new `ent.Client` from the mutation. If the mutation was
+// executed in a transaction (ent.Tx), a transactional client is returned.
+func (m TeamMutation) Client() *Client {
+	client := &Client{config: m.config}
+	client.init()
+	return client
+}
+
+// Tx returns an `ent.Tx` for mutations that were executed in transactions;
+// it returns an error otherwise.
+func (m TeamMutation) Tx() (*Tx, error) {
+	if _, ok := m.driver.(*txDriver); !ok {
+		return nil, errors.New("ent: mutation is not running in a transaction")
+	}
+	tx := &Tx{config: m.config}
+	tx.init()
+	return tx, nil
+}
+
+// ID returns the ID value in the mutation. Note that the ID is only available
+// if it was provided to the builder or after it was returned from the database.
+func (m *TeamMutation) ID() (id int, exists bool) {
+	if m.id == nil {
+		return
+	}
+	return *m.id, true
+}
+
+// IDs queries the database and returns the entity ids that match the mutation's predicate.
+// That means, if the mutation is applied within a transaction with an isolation level such
+// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
+// or updated by the mutation.
+func (m *TeamMutation) IDs(ctx context.Context) ([]int, error) {
+	switch {
+	case m.op.Is(OpUpdateOne | OpDeleteOne):
+		id, exists := m.ID()
+		if exists {
+			return []int{id}, nil
+		}
+		fallthrough
+	case m.op.Is(OpUpdate | OpDelete):
+		return m.Client().Team.Query().Where(m.predicates...).IDs(ctx)
+	default:
+		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
+	}
+}
+
+// SetName sets the "name" field.
+func (m *TeamMutation) SetName(s string) {
+	m.name = &s
+}
+
+// Name returns the value of the "name" field in the mutation.
+func (m *TeamMutation) Name() (r string, exists bool) {
+	v := m.name
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// OldName returns the old "name" field's value of the Team entity.
+// If the Team object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *TeamMutation) OldName(ctx context.Context) (v string, err error) {
+	if !m.op.Is(OpUpdateOne) {
+		return v, errors.New("OldName is only allowed on UpdateOne operations")
+	}
+	if m.id == nil || m.oldValue == nil {
+		return v, errors.New("OldName requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldName: %w", err)
+	}
+	return oldValue.Name, nil
+}
+
+// ResetName resets all changes to the "name" field.
+func (m *TeamMutation) ResetName() {
+	m.name = nil
+}
+
+// AddProjectIDs adds the "project" edge to the Project entity by ids.
+func (m *TeamMutation) AddProjectIDs(ids ...int) {
+	if m.project == nil {
+		m.project = make(map[int]struct{})
+	}
+	for i := range ids {
+		m.project[ids[i]] = struct{}{}
+	}
+}
+
+// ClearProject clears the "project" edge to the Project entity.
+func (m *TeamMutation) ClearProject() {
+	m.clearedproject = true
+}
+
+// ProjectCleared reports if the "project" edge to the Project entity was cleared.
+func (m *TeamMutation) ProjectCleared() bool {
+	return m.clearedproject
+}
+
+// RemoveProjectIDs removes the "project" edge to the Project entity by IDs.
+func (m *TeamMutation) RemoveProjectIDs(ids ...int) {
+	if m.removedproject == nil {
+		m.removedproject = make(map[int]struct{})
+	}
+	for i := range ids {
+		delete(m.project, ids[i])
+		m.removedproject[ids[i]] = struct{}{}
+	}
+}
+
+// RemovedProject returns the removed IDs of the "project" edge to the Project entity.
+func (m *TeamMutation) RemovedProjectIDs() (ids []int) {
+	for id := range m.removedproject {
+		ids = append(ids, id)
+	}
+	return
+}
+
+// ProjectIDs returns the "project" edge IDs in the mutation.
+func (m *TeamMutation) ProjectIDs() (ids []int) {
+	for id := range m.project {
+		ids = append(ids, id)
+	}
+	return
+}
+
+// ResetProject resets all changes to the "project" edge.
+func (m *TeamMutation) ResetProject() {
+	m.project = nil
+	m.clearedproject = false
+	m.removedproject = nil
+}
+
+// AddUserIDs adds the "users" edge to the User entity by ids.
+func (m *TeamMutation) AddUserIDs(ids ...int) {
+	if m.users == nil {
+		m.users = make(map[int]struct{})
+	}
+	for i := range ids {
+		m.users[ids[i]] = struct{}{}
+	}
+}
+
+// ClearUsers clears the "users" edge to the User entity.
+func (m *TeamMutation) ClearUsers() {
+	m.clearedusers = true
+}
+
+// UsersCleared reports if the "users" edge to the User entity was cleared.
+func (m *TeamMutation) UsersCleared() bool {
+	return m.clearedusers
+}
+
+// RemoveUserIDs removes the "users" edge to the User entity by IDs.
+func (m *TeamMutation) RemoveUserIDs(ids ...int) {
+	if m.removedusers == nil {
+		m.removedusers = make(map[int]struct{})
+	}
+	for i := range ids {
+		delete(m.users, ids[i])
+		m.removedusers[ids[i]] = struct{}{}
+	}
+}
+
+// RemovedUsers returns the removed IDs of the "users" edge to the User entity.
+func (m *TeamMutation) RemovedUsersIDs() (ids []int) {
+	for id := range m.removedusers {
+		ids = append(ids, id)
+	}
+	return
+}
+
+// UsersIDs returns the "users" edge IDs in the mutation.
+func (m *TeamMutation) UsersIDs() (ids []int) {
+	for id := range m.users {
+		ids = append(ids, id)
+	}
+	return
+}
+
+// ResetUsers resets all changes to the "users" edge.
+func (m *TeamMutation) ResetUsers() {
+	m.users = nil
+	m.clearedusers = false
+	m.removedusers = nil
+}
+
+// Where appends a list predicates to the TeamMutation builder.
+func (m *TeamMutation) Where(ps ...predicate.Team) {
+	m.predicates = append(m.predicates, ps...)
+}
+
+// WhereP appends storage-level predicates to the TeamMutation builder. Using this method,
+// users can use type-assertion to append predicates that do not depend on any generated package.
+func (m *TeamMutation) WhereP(ps ...func(*sql.Selector)) {
+	p := make([]predicate.Team, len(ps))
+	for i := range ps {
+		p[i] = ps[i]
+	}
+	m.Where(p...)
+}
+
+// Op returns the operation name.
+func (m *TeamMutation) Op() Op {
+	return m.op
+}
+
+// SetOp allows setting the mutation operation.
+func (m *TeamMutation) SetOp(op Op) {
+	m.op = op
+}
+
+// Type returns the node type of this mutation (Team).
+func (m *TeamMutation) Type() string {
+	return m.typ
+}
+
+// Fields returns all fields that were changed during this mutation. Note that in
+// order to get all numeric fields that were incremented/decremented, call
+// AddedFields().
+func (m *TeamMutation) Fields() []string {
+	fields := make([]string, 0, 1)
+	if m.name != nil {
+		fields = append(fields, team.FieldName)
+	}
+	return fields
+}
+
+// Field returns the value of a field with the given name. The second boolean
+// return value indicates that this field was not set, or was not defined in the
+// schema.
+func (m *TeamMutation) Field(name string) (ent.Value, bool) {
+	switch name {
+	case team.FieldName:
+		return m.Name()
+	}
+	return nil, false
+}
+
+// OldField returns the old value of the field from the database. An error is
+// returned if the mutation operation is not UpdateOne, or the query to the
+// database failed.
+func (m *TeamMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
+	switch name {
+	case team.FieldName:
+		return m.OldName(ctx)
+	}
+	return nil, fmt.Errorf("unknown Team field %s", name)
+}
+
+// SetField sets the value of a field with the given name. It returns an error if
+// the field is not defined in the schema, or if the type mismatched the field
+// type.
+func (m *TeamMutation) SetField(name string, value ent.Value) error {
+	switch name {
+	case team.FieldName:
+		v, ok := value.(string)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetName(v)
+		return nil
+	}
+	return fmt.Errorf("unknown Team field %s", name)
+}
+
+// AddedFields returns all numeric fields that were incremented/decremented during
+// this mutation.
+func (m *TeamMutation) AddedFields() []string {
+	return nil
+}
+
+// AddedField returns the numeric value that was incremented/decremented on a field
+// with the given name. The second boolean return value indicates that this field
+// was not set, or was not defined in the schema.
+func (m *TeamMutation) AddedField(name string) (ent.Value, bool) {
+	return nil, false
+}
+
+// AddField adds the value to the field with the given name. It returns an error if
+// the field is not defined in the schema, or if the type mismatched the field
+// type.
+func (m *TeamMutation) AddField(name string, value ent.Value) error {
+	switch name {
+	}
+	return fmt.Errorf("unknown Team numeric field %s", name)
+}
+
+// ClearedFields returns all nullable fields that were cleared during this
+// mutation.
+func (m *TeamMutation) ClearedFields() []string {
+	return nil
+}
+
+// FieldCleared returns a boolean indicating if a field with the given name was
+// cleared in this mutation.
+func (m *TeamMutation) FieldCleared(name string) bool {
+	_, ok := m.clearedFields[name]
+	return ok
+}
+
+// ClearField clears the value of the field with the given name. It returns an
+// error if the field is not defined in the schema.
+func (m *TeamMutation) ClearField(name string) error {
+	return fmt.Errorf("unknown Team nullable field %s", name)
+}
+
+// ResetField resets all changes in the mutation for the field with the given name.
+// It returns an error if the field is not defined in the schema.
+func (m *TeamMutation) ResetField(name string) error {
+	switch name {
+	case team.FieldName:
+		m.ResetName()
+		return nil
+	}
+	return fmt.Errorf("unknown Team field %s", name)
+}
+
+// AddedEdges returns all edge names that were set/added in this mutation.
+func (m *TeamMutation) AddedEdges() []string {
+	edges := make([]string, 0, 2)
+	if m.project != nil {
+		edges = append(edges, team.EdgeProject)
+	}
+	if m.users != nil {
+		edges = append(edges, team.EdgeUsers)
+	}
+	return edges
+}
+
+// AddedIDs returns all IDs (to other nodes) that were added for the given edge
+// name in this mutation.
+func (m *TeamMutation) AddedIDs(name string) []ent.Value {
+	switch name {
+	case team.EdgeProject:
+		ids := make([]ent.Value, 0, len(m.project))
+		for id := range m.project {
+			ids = append(ids, id)
+		}
+		return ids
+	case team.EdgeUsers:
+		ids := make([]ent.Value, 0, len(m.users))
+		for id := range m.users {
+			ids = append(ids, id)
+		}
+		return ids
+	}
+	return nil
+}
+
+// RemovedEdges returns all edge names that were removed in this mutation.
+func (m *TeamMutation) RemovedEdges() []string {
+	edges := make([]string, 0, 2)
+	if m.removedproject != nil {
+		edges = append(edges, team.EdgeProject)
+	}
+	if m.removedusers != nil {
+		edges = append(edges, team.EdgeUsers)
+	}
+	return edges
+}
+
+// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
+// the given name in this mutation.
+func (m *TeamMutation) RemovedIDs(name string) []ent.Value {
+	switch name {
+	case team.EdgeProject:
+		ids := make([]ent.Value, 0, len(m.removedproject))
+		for id := range m.removedproject {
+			ids = append(ids, id)
+		}
+		return ids
+	case team.EdgeUsers:
+		ids := make([]ent.Value, 0, len(m.removedusers))
+		for id := range m.removedusers {
+			ids = append(ids, id)
+		}
+		return ids
+	}
+	return nil
+}
+
+// ClearedEdges returns all edge names that were cleared in this mutation.
+func (m *TeamMutation) ClearedEdges() []string {
+	edges := make([]string, 0, 2)
+	if m.clearedproject {
+		edges = append(edges, team.EdgeProject)
+	}
+	if m.clearedusers {
+		edges = append(edges, team.EdgeUsers)
+	}
+	return edges
+}
+
+// EdgeCleared returns a boolean which indicates if the edge with the given name
+// was cleared in this mutation.
+func (m *TeamMutation) EdgeCleared(name string) bool {
+	switch name {
+	case team.EdgeProject:
+		return m.clearedproject
+	case team.EdgeUsers:
+		return m.clearedusers
+	}
+	return false
+}
+
+// ClearEdge clears the value of the edge with the given name. It returns an error
+// if that edge is not defined in the schema.
+func (m *TeamMutation) ClearEdge(name string) error {
+	switch name {
+	}
+	return fmt.Errorf("unknown Team unique edge %s", name)
+}
+
+// ResetEdge resets all changes to the edge with the given name in this mutation.
+// It returns an error if the edge is not defined in the schema.
+func (m *TeamMutation) ResetEdge(name string) error {
+	switch name {
+	case team.EdgeProject:
+		m.ResetProject()
+		return nil
+	case team.EdgeUsers:
+		m.ResetUsers()
+		return nil
+	}
+	return fmt.Errorf("unknown Team edge %s", name)
+}
+
+// UserMutation represents an operation that mutates the User nodes in the graph.
+type UserMutation struct {
+	config
+	op            Op
+	typ           string
+	id            *int
+	name          *string
+	role          *user.Role
+	clearedFields map[string]struct{}
+	teams         map[int]struct{}
+	removedteams  map[int]struct{}
+	clearedteams  bool
+	done          bool
+	oldValue      func(context.Context) (*User, error)
+	predicates    []predicate.User
+}
+
+var _ ent.Mutation = (*UserMutation)(nil)
+
+// userOption allows management of the mutation configuration using functional options.
+type userOption func(*UserMutation)
+
+// newUserMutation creates new mutation for the User entity.
+func newUserMutation(c config, op Op, opts ...userOption) *UserMutation {
+	m := &UserMutation{
+		config:        c,
+		op:            op,
+		typ:           TypeUser,
+		clearedFields: make(map[string]struct{}),
+	}
+	for _, opt := range opts {
+		opt(m)
+	}
+	return m
+}
+
+// withUserID sets the ID field of the mutation.
+func withUserID(id int) userOption {
+	return func(m *UserMutation) {
+		var (
+			err   error
+			once  sync.Once
+			value *User
+		)
+		m.oldValue = func(ctx context.Context) (*User, error) {
+			once.Do(func() {
+				if m.done {
+					err = errors.New("querying old values post mutation is not allowed")
+				} else {
+					value, err = m.Client().User.Get(ctx, id)
+				}
+			})
+			return value, err
+		}
+		m.id = &id
+	}
+}
+
+// withUser sets the old User of the mutation.
+func withUser(node *User) userOption {
+	return func(m *UserMutation) {
+		m.oldValue = func(context.Context) (*User, error) {
+			return node, nil
+		}
+		m.id = &node.ID
+	}
+}
+
+// Client returns a new `ent.Client` from the mutation. If the mutation was
+// executed in a transaction (ent.Tx), a transactional client is returned.
+func (m UserMutation) Client() *Client {
+	client := &Client{config: m.config}
+	client.init()
+	return client
+}
+
+// Tx returns an `ent.Tx` for mutations that were executed in transactions;
+// it returns an error otherwise.
+func (m UserMutation) Tx() (*Tx, error) {
+	if _, ok := m.driver.(*txDriver); !ok {
+		return nil, errors.New("ent: mutation is not running in a transaction")
+	}
+	tx := &Tx{config: m.config}
+	tx.init()
+	return tx, nil
+}
+
+// ID returns the ID value in the mutation. Note that the ID is only available
+// if it was provided to the builder or after it was returned from the database.
+func (m *UserMutation) ID() (id int, exists bool) {
+	if m.id == nil {
+		return
+	}
+	return *m.id, true
+}
+
+// IDs queries the database and returns the entity ids that match the mutation's predicate.
+// That means, if the mutation is applied within a transaction with an isolation level such
+// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
+// or updated by the mutation.
+func (m *UserMutation) IDs(ctx context.Context) ([]int, error) {
+	switch {
+	case m.op.Is(OpUpdateOne | OpDeleteOne):
+		id, exists := m.ID()
+		if exists {
+			return []int{id}, nil
+		}
+		fallthrough
+	case m.op.Is(OpUpdate | OpDelete):
+		return m.Client().User.Query().Where(m.predicates...).IDs(ctx)
+	default:
+		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
+	}
+}
+
+// SetName sets the "name" field.
+func (m *UserMutation) SetName(s string) {
+	m.name = &s
+}
+
+// Name returns the value of the "name" field in the mutation.
+func (m *UserMutation) Name() (r string, exists bool) {
+	v := m.name
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// OldName returns the old "name" field's value of the User entity.
+// If the User object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *UserMutation) OldName(ctx context.Context) (v string, err error) {
+	if !m.op.Is(OpUpdateOne) {
+		return v, errors.New("OldName is only allowed on UpdateOne operations")
+	}
+	if m.id == nil || m.oldValue == nil {
+		return v, errors.New("OldName requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldName: %w", err)
+	}
+	return oldValue.Name, nil
+}
+
+// ResetName resets all changes to the "name" field.
+func (m *UserMutation) ResetName() {
+	m.name = nil
+}
+
+// SetRole sets the "role" field.
+func (m *UserMutation) SetRole(u user.Role) {
+	m.role = &u
+}
+
+// Role returns the value of the "role" field in the mutation.
+func (m *UserMutation) Role() (r user.Role, exists bool) {
+	v := m.role
+	if v == nil {
+		return
+	}
+	return *v, true
+}
+
+// OldRole returns the old "role" field's value of the User entity.
+// If the User object wasn't provided to the builder, the object is fetched from the database.
+// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
+func (m *UserMutation) OldRole(ctx context.Context) (v user.Role, err error) {
+	if !m.op.Is(OpUpdateOne) {
+		return v, errors.New("OldRole is only allowed on UpdateOne operations")
+	}
+	if m.id == nil || m.oldValue == nil {
+		return v, errors.New("OldRole requires an ID field in the mutation")
+	}
+	oldValue, err := m.oldValue(ctx)
+	if err != nil {
+		return v, fmt.Errorf("querying old value for OldRole: %w", err)
+	}
+	return oldValue.Role, nil
+}
+
+// ResetRole resets all changes to the "role" field.
+func (m *UserMutation) ResetRole() {
+	m.role = nil
+}
+
+// AddTeamIDs adds the "teams" edge to the Team entity by ids.
+func (m *UserMutation) AddTeamIDs(ids ...int) {
+	if m.teams == nil {
+		m.teams = make(map[int]struct{})
+	}
+	for i := range ids {
+		m.teams[ids[i]] = struct{}{}
+	}
+}
+
+// ClearTeams clears the "teams" edge to the Team entity.
+func (m *UserMutation) ClearTeams() {
+	m.clearedteams = true
+}
+
+// TeamsCleared reports if the "teams" edge to the Team entity was cleared.
+func (m *UserMutation) TeamsCleared() bool {
+	return m.clearedteams
+}
+
+// RemoveTeamIDs removes the "teams" edge to the Team entity by IDs.
+func (m *UserMutation) RemoveTeamIDs(ids ...int) {
+	if m.removedteams == nil {
+		m.removedteams = make(map[int]struct{})
+	}
+	for i := range ids {
+		delete(m.teams, ids[i])
+		m.removedteams[ids[i]] = struct{}{}
+	}
+}
+
+// RemovedTeams returns the removed IDs of the "teams" edge to the Team entity.
+func (m *UserMutation) RemovedTeamsIDs() (ids []int) {
+	for id := range m.removedteams {
+		ids = append(ids, id)
+	}
+	return
+}
+
+// TeamsIDs returns the "teams" edge IDs in the mutation.
+func (m *UserMutation) TeamsIDs() (ids []int) {
+	for id := range m.teams {
+		ids = append(ids, id)
+	}
+	return
+}
+
+// ResetTeams resets all changes to the "teams" edge.
+func (m *UserMutation) ResetTeams() {
+	m.teams = nil
+	m.clearedteams = false
+	m.removedteams = nil
+}
+
+// Where appends a list predicates to the UserMutation builder.
+func (m *UserMutation) Where(ps ...predicate.User) {
+	m.predicates = append(m.predicates, ps...)
+}
+
+// WhereP appends storage-level predicates to the UserMutation builder. Using this method,
+// users can use type-assertion to append predicates that do not depend on any generated package.
+func (m *UserMutation) WhereP(ps ...func(*sql.Selector)) {
+	p := make([]predicate.User, len(ps))
+	for i := range ps {
+		p[i] = ps[i]
+	}
+	m.Where(p...)
+}
+
+// Op returns the operation name.
+func (m *UserMutation) Op() Op {
+	return m.op
+}
+
+// SetOp allows setting the mutation operation.
+func (m *UserMutation) SetOp(op Op) {
+	m.op = op
+}
+
+// Type returns the node type of this mutation (User).
+func (m *UserMutation) Type() string {
+	return m.typ
+}
+
+// Fields returns all fields that were changed during this mutation. Note that in
+// order to get all numeric fields that were incremented/decremented, call
+// AddedFields().
+func (m *UserMutation) Fields() []string {
+	fields := make([]string, 0, 2)
+	if m.name != nil {
+		fields = append(fields, user.FieldName)
+	}
+	if m.role != nil {
+		fields = append(fields, user.FieldRole)
+	}
+	return fields
+}
+
+// Field returns the value of a field with the given name. The second boolean
+// return value indicates that this field was not set, or was not defined in the
+// schema.
+func (m *UserMutation) Field(name string) (ent.Value, bool) {
+	switch name {
+	case user.FieldName:
+		return m.Name()
+	case user.FieldRole:
+		return m.Role()
+	}
+	return nil, false
+}
+
+// OldField returns the old value of the field from the database. An error is
+// returned if the mutation operation is not UpdateOne, or the query to the
+// database failed.
+func (m *UserMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
+	switch name {
+	case user.FieldName:
+		return m.OldName(ctx)
+	case user.FieldRole:
+		return m.OldRole(ctx)
+	}
+	return nil, fmt.Errorf("unknown User field %s", name)
+}
+
+// SetField sets the value of a field with the given name. It returns an error if
+// the field is not defined in the schema, or if the type mismatched the field
+// type.
+func (m *UserMutation) SetField(name string, value ent.Value) error {
+	switch name {
+	case user.FieldName:
+		v, ok := value.(string)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetName(v)
+		return nil
+	case user.FieldRole:
+		v, ok := value.(user.Role)
+		if !ok {
+			return fmt.Errorf("unexpected type %T for field %s", value, name)
+		}
+		m.SetRole(v)
+		return nil
+	}
+	return fmt.Errorf("unknown User field %s", name)
+}
+
+// AddedFields returns all numeric fields that were incremented/decremented during
+// this mutation.
+func (m *UserMutation) AddedFields() []string {
+	return nil
+}
+
+// AddedField returns the numeric value that was incremented/decremented on a field
+// with the given name. The second boolean return value indicates that this field
+// was not set, or was not defined in the schema.
+func (m *UserMutation) AddedField(name string) (ent.Value, bool) {
+	return nil, false
+}
+
+// AddField adds the value to the field with the given name. It returns an error if
+// the field is not defined in the schema, or if the type mismatched the field
+// type.
+func (m *UserMutation) AddField(name string, value ent.Value) error {
+	switch name {
+	}
+	return fmt.Errorf("unknown User numeric field %s", name)
+}
+
+// ClearedFields returns all nullable fields that were cleared during this
+// mutation.
+func (m *UserMutation) ClearedFields() []string {
+	return nil
+}
+
+// FieldCleared returns a boolean indicating if a field with the given name was
+// cleared in this mutation.
+func (m *UserMutation) FieldCleared(name string) bool {
+	_, ok := m.clearedFields[name]
+	return ok
+}
+
+// ClearField clears the value of the field with the given name. It returns an
+// error if the field is not defined in the schema.
+func (m *UserMutation) ClearField(name string) error {
+	return fmt.Errorf("unknown User nullable field %s", name)
+}
+
+// ResetField resets all changes in the mutation for the field with the given name.
+// It returns an error if the field is not defined in the schema.
+func (m *UserMutation) ResetField(name string) error {
+	switch name {
+	case user.FieldName:
+		m.ResetName()
+		return nil
+	case user.FieldRole:
+		m.ResetRole()
+		return nil
+	}
+	return fmt.Errorf("unknown User field %s", name)
+}
+
+// AddedEdges returns all edge names that were set/added in this mutation.
+func (m *UserMutation) AddedEdges() []string {
+	edges := make([]string, 0, 1)
+	if m.teams != nil {
+		edges = append(edges, user.EdgeTeams)
+	}
+	return edges
+}
+
+// AddedIDs returns all IDs (to other nodes) that were added for the given edge
+// name in this mutation.
+func (m *UserMutation) AddedIDs(name string) []ent.Value {
+	switch name {
+	case user.EdgeTeams:
+		ids := make([]ent.Value, 0, len(m.teams))
+		for id := range m.teams {
+			ids = append(ids, id)
+		}
+		return ids
+	}
+	return nil
+}
+
+// RemovedEdges returns all edge names that were removed in this mutation.
+func (m *UserMutation) RemovedEdges() []string {
+	edges := make([]string, 0, 1)
+	if m.removedteams != nil {
+		edges = append(edges, user.EdgeTeams)
+	}
+	return edges
+}
+
+// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
+// the given name in this mutation.
+func (m *UserMutation) RemovedIDs(name string) []ent.Value {
+	switch name {
+	case user.EdgeTeams:
+		ids := make([]ent.Value, 0, len(m.removedteams))
+		for id := range m.removedteams {
+			ids = append(ids, id)
+		}
+		return ids
+	}
+	return nil
+}
+
+// ClearedEdges returns all edge names that were cleared in this mutation.
+func (m *UserMutation) ClearedEdges() []string {
+	edges := make([]string, 0, 1)
+	if m.clearedteams {
+		edges = append(edges, user.EdgeTeams)
+	}
+	return edges
+}
+
+// EdgeCleared returns a boolean which indicates if the edge with the given name
+// was cleared in this mutation.
+func (m *UserMutation) EdgeCleared(name string) bool {
+	switch name {
+	case user.EdgeTeams:
+		return m.clearedteams
+	}
+	return false
+}
+
+// ClearEdge clears the value of the edge with the given name. It returns an error
+// if that edge is not defined in the schema.
+func (m *UserMutation) ClearEdge(name string) error {
+	switch name {
+	}
+	return fmt.Errorf("unknown User unique edge %s", name)
+}
+
+// ResetEdge resets all changes to the edge with the given name in this mutation.
+// It returns an error if the edge is not defined in the schema.
+func (m *UserMutation) ResetEdge(name string) error {
+	switch name {
+	case user.EdgeTeams:
+		m.ResetTeams()
+		return nil
+	}
+	return fmt.Errorf("unknown User edge %s", name)
+}
diff --git a/database/ent/predicate/predicate.go b/database/ent/predicate/predicate.go
new file mode 100644
index 0000000..d248584
--- /dev/null
+++ b/database/ent/predicate/predicate.go
@@ -0,0 +1,16 @@
+// Code generated by ent, DO NOT EDIT.
+
+package predicate
+
+import (
+	"entgo.io/ent/dialect/sql"
+)
+
+// Project is the predicate function for project builders.
+type Project func(*sql.Selector)
+
+// Team is the predicate function for team builders.
+type Team func(*sql.Selector)
+
+// User is the predicate function for user builders.
+type User func(*sql.Selector)
diff --git a/database/ent/project.go b/database/ent/project.go
new file mode 100644
index 0000000..3a61870
--- /dev/null
+++ b/database/ent/project.go
@@ -0,0 +1,142 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"fmt"
+	"portfolio/database/ent/project"
+	"portfolio/database/ent/team"
+	"strings"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+)
+
+// Project is the model entity for the Project schema.
+type Project struct {
+	config `json:"-"`
+	// ID of the ent.
+	ID int `json:"id,omitempty"`
+	// Name holds the value of the "name" field.
+	Name string `json:"name,omitempty"`
+	// Edges holds the relations/edges for other nodes in the graph.
+	// The values are being populated by the ProjectQuery when eager-loading is set.
+	Edges        ProjectEdges `json:"edges"`
+	team_project *int
+	selectValues sql.SelectValues
+}
+
+// ProjectEdges holds the relations/edges for other nodes in the graph.
+type ProjectEdges struct {
+	// Team holds the value of the team edge.
+	Team *Team `json:"team,omitempty"`
+	// loadedTypes holds the information for reporting if a
+	// type was loaded (or requested) in eager-loading or not.
+	loadedTypes [1]bool
+}
+
+// TeamOrErr returns the Team value or an error if the edge
+// was not loaded in eager-loading, or loaded but was not found.
+func (e ProjectEdges) TeamOrErr() (*Team, error) {
+	if e.Team != nil {
+		return e.Team, nil
+	} else if e.loadedTypes[0] {
+		return nil, &NotFoundError{label: team.Label}
+	}
+	return nil, &NotLoadedError{edge: "team"}
+}
+
+// scanValues returns the types for scanning values from sql.Rows.
+func (*Project) scanValues(columns []string) ([]any, error) {
+	values := make([]any, len(columns))
+	for i := range columns {
+		switch columns[i] {
+		case project.FieldID:
+			values[i] = new(sql.NullInt64)
+		case project.FieldName:
+			values[i] = new(sql.NullString)
+		case project.ForeignKeys[0]: // team_project
+			values[i] = new(sql.NullInt64)
+		default:
+			values[i] = new(sql.UnknownType)
+		}
+	}
+	return values, nil
+}
+
+// assignValues assigns the values that were returned from sql.Rows (after scanning)
+// to the Project fields.
+func (pr *Project) assignValues(columns []string, values []any) error {
+	if m, n := len(values), len(columns); m < n {
+		return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
+	}
+	for i := range columns {
+		switch columns[i] {
+		case project.FieldID:
+			value, ok := values[i].(*sql.NullInt64)
+			if !ok {
+				return fmt.Errorf("unexpected type %T for field id", value)
+			}
+			pr.ID = int(value.Int64)
+		case project.FieldName:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field name", values[i])
+			} else if value.Valid {
+				pr.Name = value.String
+			}
+		case project.ForeignKeys[0]:
+			if value, ok := values[i].(*sql.NullInt64); !ok {
+				return fmt.Errorf("unexpected type %T for edge-field team_project", value)
+			} else if value.Valid {
+				pr.team_project = new(int)
+				*pr.team_project = int(value.Int64)
+			}
+		default:
+			pr.selectValues.Set(columns[i], values[i])
+		}
+	}
+	return nil
+}
+
+// Value returns the ent.Value that was dynamically selected and assigned to the Project.
+// This includes values selected through modifiers, order, etc.
+func (pr *Project) Value(name string) (ent.Value, error) {
+	return pr.selectValues.Get(name)
+}
+
+// QueryTeam queries the "team" edge of the Project entity.
+func (pr *Project) QueryTeam() *TeamQuery {
+	return NewProjectClient(pr.config).QueryTeam(pr)
+}
+
+// Update returns a builder for updating this Project.
+// Note that you need to call Project.Unwrap() before calling this method if this Project
+// was returned from a transaction, and the transaction was committed or rolled back.
+func (pr *Project) Update() *ProjectUpdateOne {
+	return NewProjectClient(pr.config).UpdateOne(pr)
+}
+
+// Unwrap unwraps the Project entity that was returned from a transaction after it was closed,
+// so that all future queries will be executed through the driver which created the transaction.
+func (pr *Project) Unwrap() *Project {
+	_tx, ok := pr.config.driver.(*txDriver)
+	if !ok {
+		panic("ent: Project is not a transactional entity")
+	}
+	pr.config.driver = _tx.drv
+	return pr
+}
+
+// String implements the fmt.Stringer.
+func (pr *Project) String() string {
+	var builder strings.Builder
+	builder.WriteString("Project(")
+	builder.WriteString(fmt.Sprintf("id=%v, ", pr.ID))
+	builder.WriteString("name=")
+	builder.WriteString(pr.Name)
+	builder.WriteByte(')')
+	return builder.String()
+}
+
+// Projects is a parsable slice of Project.
+type Projects []*Project
diff --git a/database/ent/project/project.go b/database/ent/project/project.go
new file mode 100644
index 0000000..9d18f4f
--- /dev/null
+++ b/database/ent/project/project.go
@@ -0,0 +1,82 @@
+// Code generated by ent, DO NOT EDIT.
+
+package project
+
+import (
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+const (
+	// Label holds the string label denoting the project type in the database.
+	Label = "project"
+	// FieldID holds the string denoting the id field in the database.
+	FieldID = "id"
+	// FieldName holds the string denoting the name field in the database.
+	FieldName = "name"
+	// EdgeTeam holds the string denoting the team edge name in mutations.
+	EdgeTeam = "team"
+	// Table holds the table name of the project in the database.
+	Table = "projects"
+	// TeamTable is the table that holds the team relation/edge.
+	TeamTable = "projects"
+	// TeamInverseTable is the table name for the Team entity.
+	// It exists in this package in order to avoid circular dependency with the "team" package.
+	TeamInverseTable = "teams"
+	// TeamColumn is the table column denoting the team relation/edge.
+	TeamColumn = "team_project"
+)
+
+// Columns holds all SQL columns for project fields.
+var Columns = []string{
+	FieldID,
+	FieldName,
+}
+
+// ForeignKeys holds the SQL foreign-keys that are owned by the "projects"
+// table and are not defined as standalone fields in the schema.
+var ForeignKeys = []string{
+	"team_project",
+}
+
+// ValidColumn reports if the column name is valid (part of the table columns).
+func ValidColumn(column string) bool {
+	for i := range Columns {
+		if column == Columns[i] {
+			return true
+		}
+	}
+	for i := range ForeignKeys {
+		if column == ForeignKeys[i] {
+			return true
+		}
+	}
+	return false
+}
+
+// OrderOption defines the ordering options for the Project queries.
+type OrderOption func(*sql.Selector)
+
+// ByID orders the results by the id field.
+func ByID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldID, opts...).ToFunc()
+}
+
+// ByName orders the results by the name field.
+func ByName(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldName, opts...).ToFunc()
+}
+
+// ByTeamField orders the results by team field.
+func ByTeamField(field string, opts ...sql.OrderTermOption) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborTerms(s, newTeamStep(), sql.OrderByField(field, opts...))
+	}
+}
+func newTeamStep() *sqlgraph.Step {
+	return sqlgraph.NewStep(
+		sqlgraph.From(Table, FieldID),
+		sqlgraph.To(TeamInverseTable, FieldID),
+		sqlgraph.Edge(sqlgraph.M2O, true, TeamTable, TeamColumn),
+	)
+}
diff --git a/database/ent/project/where.go b/database/ent/project/where.go
new file mode 100644
index 0000000..5952c71
--- /dev/null
+++ b/database/ent/project/where.go
@@ -0,0 +1,163 @@
+// Code generated by ent, DO NOT EDIT.
+
+package project
+
+import (
+	"portfolio/database/ent/predicate"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+// ID filters vertices based on their ID field.
+func ID(id int) predicate.Project {
+	return predicate.Project(sql.FieldEQ(FieldID, id))
+}
+
+// IDEQ applies the EQ predicate on the ID field.
+func IDEQ(id int) predicate.Project {
+	return predicate.Project(sql.FieldEQ(FieldID, id))
+}
+
+// IDNEQ applies the NEQ predicate on the ID field.
+func IDNEQ(id int) predicate.Project {
+	return predicate.Project(sql.FieldNEQ(FieldID, id))
+}
+
+// IDIn applies the In predicate on the ID field.
+func IDIn(ids ...int) predicate.Project {
+	return predicate.Project(sql.FieldIn(FieldID, ids...))
+}
+
+// IDNotIn applies the NotIn predicate on the ID field.
+func IDNotIn(ids ...int) predicate.Project {
+	return predicate.Project(sql.FieldNotIn(FieldID, ids...))
+}
+
+// IDGT applies the GT predicate on the ID field.
+func IDGT(id int) predicate.Project {
+	return predicate.Project(sql.FieldGT(FieldID, id))
+}
+
+// IDGTE applies the GTE predicate on the ID field.
+func IDGTE(id int) predicate.Project {
+	return predicate.Project(sql.FieldGTE(FieldID, id))
+}
+
+// IDLT applies the LT predicate on the ID field.
+func IDLT(id int) predicate.Project {
+	return predicate.Project(sql.FieldLT(FieldID, id))
+}
+
+// IDLTE applies the LTE predicate on the ID field.
+func IDLTE(id int) predicate.Project {
+	return predicate.Project(sql.FieldLTE(FieldID, id))
+}
+
+// Name applies equality check predicate on the "name" field. It's identical to NameEQ.
+func Name(v string) predicate.Project {
+	return predicate.Project(sql.FieldEQ(FieldName, v))
+}
+
+// NameEQ applies the EQ predicate on the "name" field.
+func NameEQ(v string) predicate.Project {
+	return predicate.Project(sql.FieldEQ(FieldName, v))
+}
+
+// NameNEQ applies the NEQ predicate on the "name" field.
+func NameNEQ(v string) predicate.Project {
+	return predicate.Project(sql.FieldNEQ(FieldName, v))
+}
+
+// NameIn applies the In predicate on the "name" field.
+func NameIn(vs ...string) predicate.Project {
+	return predicate.Project(sql.FieldIn(FieldName, vs...))
+}
+
+// NameNotIn applies the NotIn predicate on the "name" field.
+func NameNotIn(vs ...string) predicate.Project {
+	return predicate.Project(sql.FieldNotIn(FieldName, vs...))
+}
+
+// NameGT applies the GT predicate on the "name" field.
+func NameGT(v string) predicate.Project {
+	return predicate.Project(sql.FieldGT(FieldName, v))
+}
+
+// NameGTE applies the GTE predicate on the "name" field.
+func NameGTE(v string) predicate.Project {
+	return predicate.Project(sql.FieldGTE(FieldName, v))
+}
+
+// NameLT applies the LT predicate on the "name" field.
+func NameLT(v string) predicate.Project {
+	return predicate.Project(sql.FieldLT(FieldName, v))
+}
+
+// NameLTE applies the LTE predicate on the "name" field.
+func NameLTE(v string) predicate.Project {
+	return predicate.Project(sql.FieldLTE(FieldName, v))
+}
+
+// NameContains applies the Contains predicate on the "name" field.
+func NameContains(v string) predicate.Project {
+	return predicate.Project(sql.FieldContains(FieldName, v))
+}
+
+// NameHasPrefix applies the HasPrefix predicate on the "name" field.
+func NameHasPrefix(v string) predicate.Project {
+	return predicate.Project(sql.FieldHasPrefix(FieldName, v))
+}
+
+// NameHasSuffix applies the HasSuffix predicate on the "name" field.
+func NameHasSuffix(v string) predicate.Project {
+	return predicate.Project(sql.FieldHasSuffix(FieldName, v))
+}
+
+// NameEqualFold applies the EqualFold predicate on the "name" field.
+func NameEqualFold(v string) predicate.Project {
+	return predicate.Project(sql.FieldEqualFold(FieldName, v))
+}
+
+// NameContainsFold applies the ContainsFold predicate on the "name" field.
+func NameContainsFold(v string) predicate.Project {
+	return predicate.Project(sql.FieldContainsFold(FieldName, v))
+}
+
+// HasTeam applies the HasEdge predicate on the "team" edge.
+func HasTeam() predicate.Project {
+	return predicate.Project(func(s *sql.Selector) {
+		step := sqlgraph.NewStep(
+			sqlgraph.From(Table, FieldID),
+			sqlgraph.Edge(sqlgraph.M2O, true, TeamTable, TeamColumn),
+		)
+		sqlgraph.HasNeighbors(s, step)
+	})
+}
+
+// HasTeamWith applies the HasEdge predicate on the "team" edge with a given conditions (other predicates).
+func HasTeamWith(preds ...predicate.Team) predicate.Project {
+	return predicate.Project(func(s *sql.Selector) {
+		step := newTeamStep()
+		sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {
+			for _, p := range preds {
+				p(s)
+			}
+		})
+	})
+}
+
+// And groups predicates with the AND operator between them.
+func And(predicates ...predicate.Project) predicate.Project {
+	return predicate.Project(sql.AndPredicates(predicates...))
+}
+
+// Or groups predicates with the OR operator between them.
+func Or(predicates ...predicate.Project) predicate.Project {
+	return predicate.Project(sql.OrPredicates(predicates...))
+}
+
+// Not applies the not operator on the given predicate.
+func Not(p predicate.Project) predicate.Project {
+	return predicate.Project(sql.NotPredicates(p))
+}
diff --git a/database/ent/project_create.go b/database/ent/project_create.go
new file mode 100644
index 0000000..ccfdd5d
--- /dev/null
+++ b/database/ent/project_create.go
@@ -0,0 +1,220 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"portfolio/database/ent/project"
+	"portfolio/database/ent/team"
+
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// ProjectCreate is the builder for creating a Project entity.
+type ProjectCreate struct {
+	config
+	mutation *ProjectMutation
+	hooks    []Hook
+}
+
+// SetName sets the "name" field.
+func (pc *ProjectCreate) SetName(s string) *ProjectCreate {
+	pc.mutation.SetName(s)
+	return pc
+}
+
+// SetTeamID sets the "team" edge to the Team entity by ID.
+func (pc *ProjectCreate) SetTeamID(id int) *ProjectCreate {
+	pc.mutation.SetTeamID(id)
+	return pc
+}
+
+// SetNillableTeamID sets the "team" edge to the Team entity by ID if the given value is not nil.
+func (pc *ProjectCreate) SetNillableTeamID(id *int) *ProjectCreate {
+	if id != nil {
+		pc = pc.SetTeamID(*id)
+	}
+	return pc
+}
+
+// SetTeam sets the "team" edge to the Team entity.
+func (pc *ProjectCreate) SetTeam(t *Team) *ProjectCreate {
+	return pc.SetTeamID(t.ID)
+}
+
+// Mutation returns the ProjectMutation object of the builder.
+func (pc *ProjectCreate) Mutation() *ProjectMutation {
+	return pc.mutation
+}
+
+// Save creates the Project in the database.
+func (pc *ProjectCreate) Save(ctx context.Context) (*Project, error) {
+	return withHooks(ctx, pc.sqlSave, pc.mutation, pc.hooks)
+}
+
+// SaveX calls Save and panics if Save returns an error.
+func (pc *ProjectCreate) SaveX(ctx context.Context) *Project {
+	v, err := pc.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (pc *ProjectCreate) Exec(ctx context.Context) error {
+	_, err := pc.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (pc *ProjectCreate) ExecX(ctx context.Context) {
+	if err := pc.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (pc *ProjectCreate) check() error {
+	if _, ok := pc.mutation.Name(); !ok {
+		return &ValidationError{Name: "name", err: errors.New(`ent: missing required field "Project.name"`)}
+	}
+	return nil
+}
+
+func (pc *ProjectCreate) sqlSave(ctx context.Context) (*Project, error) {
+	if err := pc.check(); err != nil {
+		return nil, err
+	}
+	_node, _spec := pc.createSpec()
+	if err := sqlgraph.CreateNode(ctx, pc.driver, _spec); err != nil {
+		if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	id := _spec.ID.Value.(int64)
+	_node.ID = int(id)
+	pc.mutation.id = &_node.ID
+	pc.mutation.done = true
+	return _node, nil
+}
+
+func (pc *ProjectCreate) createSpec() (*Project, *sqlgraph.CreateSpec) {
+	var (
+		_node = &Project{config: pc.config}
+		_spec = sqlgraph.NewCreateSpec(project.Table, sqlgraph.NewFieldSpec(project.FieldID, field.TypeInt))
+	)
+	if value, ok := pc.mutation.Name(); ok {
+		_spec.SetField(project.FieldName, field.TypeString, value)
+		_node.Name = value
+	}
+	if nodes := pc.mutation.TeamIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2O,
+			Inverse: true,
+			Table:   project.TeamTable,
+			Columns: []string{project.TeamColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(team.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_node.team_project = &nodes[0]
+		_spec.Edges = append(_spec.Edges, edge)
+	}
+	return _node, _spec
+}
+
+// ProjectCreateBulk is the builder for creating many Project entities in bulk.
+type ProjectCreateBulk struct {
+	config
+	err      error
+	builders []*ProjectCreate
+}
+
+// Save creates the Project entities in the database.
+func (pcb *ProjectCreateBulk) Save(ctx context.Context) ([]*Project, error) {
+	if pcb.err != nil {
+		return nil, pcb.err
+	}
+	specs := make([]*sqlgraph.CreateSpec, len(pcb.builders))
+	nodes := make([]*Project, len(pcb.builders))
+	mutators := make([]Mutator, len(pcb.builders))
+	for i := range pcb.builders {
+		func(i int, root context.Context) {
+			builder := pcb.builders[i]
+			var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
+				mutation, ok := m.(*ProjectMutation)
+				if !ok {
+					return nil, fmt.Errorf("unexpected mutation type %T", m)
+				}
+				if err := builder.check(); err != nil {
+					return nil, err
+				}
+				builder.mutation = mutation
+				var err error
+				nodes[i], specs[i] = builder.createSpec()
+				if i < len(mutators)-1 {
+					_, err = mutators[i+1].Mutate(root, pcb.builders[i+1].mutation)
+				} else {
+					spec := &sqlgraph.BatchCreateSpec{Nodes: specs}
+					// Invoke the actual operation on the latest mutation in the chain.
+					if err = sqlgraph.BatchCreate(ctx, pcb.driver, spec); err != nil {
+						if sqlgraph.IsConstraintError(err) {
+							err = &ConstraintError{msg: err.Error(), wrap: err}
+						}
+					}
+				}
+				if err != nil {
+					return nil, err
+				}
+				mutation.id = &nodes[i].ID
+				if specs[i].ID.Value != nil {
+					id := specs[i].ID.Value.(int64)
+					nodes[i].ID = int(id)
+				}
+				mutation.done = true
+				return nodes[i], nil
+			})
+			for i := len(builder.hooks) - 1; i >= 0; i-- {
+				mut = builder.hooks[i](mut)
+			}
+			mutators[i] = mut
+		}(i, ctx)
+	}
+	if len(mutators) > 0 {
+		if _, err := mutators[0].Mutate(ctx, pcb.builders[0].mutation); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (pcb *ProjectCreateBulk) SaveX(ctx context.Context) []*Project {
+	v, err := pcb.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (pcb *ProjectCreateBulk) Exec(ctx context.Context) error {
+	_, err := pcb.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (pcb *ProjectCreateBulk) ExecX(ctx context.Context) {
+	if err := pcb.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
diff --git a/database/ent/project_delete.go b/database/ent/project_delete.go
new file mode 100644
index 0000000..9767d18
--- /dev/null
+++ b/database/ent/project_delete.go
@@ -0,0 +1,88 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"portfolio/database/ent/predicate"
+	"portfolio/database/ent/project"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// ProjectDelete is the builder for deleting a Project entity.
+type ProjectDelete struct {
+	config
+	hooks    []Hook
+	mutation *ProjectMutation
+}
+
+// Where appends a list predicates to the ProjectDelete builder.
+func (pd *ProjectDelete) Where(ps ...predicate.Project) *ProjectDelete {
+	pd.mutation.Where(ps...)
+	return pd
+}
+
+// Exec executes the deletion query and returns how many vertices were deleted.
+func (pd *ProjectDelete) Exec(ctx context.Context) (int, error) {
+	return withHooks(ctx, pd.sqlExec, pd.mutation, pd.hooks)
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (pd *ProjectDelete) ExecX(ctx context.Context) int {
+	n, err := pd.Exec(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return n
+}
+
+func (pd *ProjectDelete) sqlExec(ctx context.Context) (int, error) {
+	_spec := sqlgraph.NewDeleteSpec(project.Table, sqlgraph.NewFieldSpec(project.FieldID, field.TypeInt))
+	if ps := pd.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	affected, err := sqlgraph.DeleteNodes(ctx, pd.driver, _spec)
+	if err != nil && sqlgraph.IsConstraintError(err) {
+		err = &ConstraintError{msg: err.Error(), wrap: err}
+	}
+	pd.mutation.done = true
+	return affected, err
+}
+
+// ProjectDeleteOne is the builder for deleting a single Project entity.
+type ProjectDeleteOne struct {
+	pd *ProjectDelete
+}
+
+// Where appends a list predicates to the ProjectDelete builder.
+func (pdo *ProjectDeleteOne) Where(ps ...predicate.Project) *ProjectDeleteOne {
+	pdo.pd.mutation.Where(ps...)
+	return pdo
+}
+
+// Exec executes the deletion query.
+func (pdo *ProjectDeleteOne) Exec(ctx context.Context) error {
+	n, err := pdo.pd.Exec(ctx)
+	switch {
+	case err != nil:
+		return err
+	case n == 0:
+		return &NotFoundError{project.Label}
+	default:
+		return nil
+	}
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (pdo *ProjectDeleteOne) ExecX(ctx context.Context) {
+	if err := pdo.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
diff --git a/database/ent/project_query.go b/database/ent/project_query.go
new file mode 100644
index 0000000..90c3973
--- /dev/null
+++ b/database/ent/project_query.go
@@ -0,0 +1,613 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"fmt"
+	"math"
+	"portfolio/database/ent/predicate"
+	"portfolio/database/ent/project"
+	"portfolio/database/ent/team"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// ProjectQuery is the builder for querying Project entities.
+type ProjectQuery struct {
+	config
+	ctx        *QueryContext
+	order      []project.OrderOption
+	inters     []Interceptor
+	predicates []predicate.Project
+	withTeam   *TeamQuery
+	withFKs    bool
+	// intermediate query (i.e. traversal path).
+	sql  *sql.Selector
+	path func(context.Context) (*sql.Selector, error)
+}
+
+// Where adds a new predicate for the ProjectQuery builder.
+func (pq *ProjectQuery) Where(ps ...predicate.Project) *ProjectQuery {
+	pq.predicates = append(pq.predicates, ps...)
+	return pq
+}
+
+// Limit the number of records to be returned by this query.
+func (pq *ProjectQuery) Limit(limit int) *ProjectQuery {
+	pq.ctx.Limit = &limit
+	return pq
+}
+
+// Offset to start from.
+func (pq *ProjectQuery) Offset(offset int) *ProjectQuery {
+	pq.ctx.Offset = &offset
+	return pq
+}
+
+// Unique configures the query builder to filter duplicate records on query.
+// By default, unique is set to true, and can be disabled using this method.
+func (pq *ProjectQuery) Unique(unique bool) *ProjectQuery {
+	pq.ctx.Unique = &unique
+	return pq
+}
+
+// Order specifies how the records should be ordered.
+func (pq *ProjectQuery) Order(o ...project.OrderOption) *ProjectQuery {
+	pq.order = append(pq.order, o...)
+	return pq
+}
+
+// QueryTeam chains the current query on the "team" edge.
+func (pq *ProjectQuery) QueryTeam() *TeamQuery {
+	query := (&TeamClient{config: pq.config}).Query()
+	query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
+		if err := pq.prepareQuery(ctx); err != nil {
+			return nil, err
+		}
+		selector := pq.sqlQuery(ctx)
+		if err := selector.Err(); err != nil {
+			return nil, err
+		}
+		step := sqlgraph.NewStep(
+			sqlgraph.From(project.Table, project.FieldID, selector),
+			sqlgraph.To(team.Table, team.FieldID),
+			sqlgraph.Edge(sqlgraph.M2O, true, project.TeamTable, project.TeamColumn),
+		)
+		fromU = sqlgraph.SetNeighbors(pq.driver.Dialect(), step)
+		return fromU, nil
+	}
+	return query
+}
+
+// First returns the first Project entity from the query.
+// Returns a *NotFoundError when no Project was found.
+func (pq *ProjectQuery) First(ctx context.Context) (*Project, error) {
+	nodes, err := pq.Limit(1).All(setContextOp(ctx, pq.ctx, "First"))
+	if err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nil, &NotFoundError{project.Label}
+	}
+	return nodes[0], nil
+}
+
+// FirstX is like First, but panics if an error occurs.
+func (pq *ProjectQuery) FirstX(ctx context.Context) *Project {
+	node, err := pq.First(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return node
+}
+
+// FirstID returns the first Project ID from the query.
+// Returns a *NotFoundError when no Project ID was found.
+func (pq *ProjectQuery) FirstID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = pq.Limit(1).IDs(setContextOp(ctx, pq.ctx, "FirstID")); err != nil {
+		return
+	}
+	if len(ids) == 0 {
+		err = &NotFoundError{project.Label}
+		return
+	}
+	return ids[0], nil
+}
+
+// FirstIDX is like FirstID, but panics if an error occurs.
+func (pq *ProjectQuery) FirstIDX(ctx context.Context) int {
+	id, err := pq.FirstID(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return id
+}
+
+// Only returns a single Project entity found by the query, ensuring it only returns one.
+// Returns a *NotSingularError when more than one Project entity is found.
+// Returns a *NotFoundError when no Project entities are found.
+func (pq *ProjectQuery) Only(ctx context.Context) (*Project, error) {
+	nodes, err := pq.Limit(2).All(setContextOp(ctx, pq.ctx, "Only"))
+	if err != nil {
+		return nil, err
+	}
+	switch len(nodes) {
+	case 1:
+		return nodes[0], nil
+	case 0:
+		return nil, &NotFoundError{project.Label}
+	default:
+		return nil, &NotSingularError{project.Label}
+	}
+}
+
+// OnlyX is like Only, but panics if an error occurs.
+func (pq *ProjectQuery) OnlyX(ctx context.Context) *Project {
+	node, err := pq.Only(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// OnlyID is like Only, but returns the only Project ID in the query.
+// Returns a *NotSingularError when more than one Project ID is found.
+// Returns a *NotFoundError when no entities are found.
+func (pq *ProjectQuery) OnlyID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = pq.Limit(2).IDs(setContextOp(ctx, pq.ctx, "OnlyID")); err != nil {
+		return
+	}
+	switch len(ids) {
+	case 1:
+		id = ids[0]
+	case 0:
+		err = &NotFoundError{project.Label}
+	default:
+		err = &NotSingularError{project.Label}
+	}
+	return
+}
+
+// OnlyIDX is like OnlyID, but panics if an error occurs.
+func (pq *ProjectQuery) OnlyIDX(ctx context.Context) int {
+	id, err := pq.OnlyID(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return id
+}
+
+// All executes the query and returns a list of Projects.
+func (pq *ProjectQuery) All(ctx context.Context) ([]*Project, error) {
+	ctx = setContextOp(ctx, pq.ctx, "All")
+	if err := pq.prepareQuery(ctx); err != nil {
+		return nil, err
+	}
+	qr := querierAll[[]*Project, *ProjectQuery]()
+	return withInterceptors[[]*Project](ctx, pq, qr, pq.inters)
+}
+
+// AllX is like All, but panics if an error occurs.
+func (pq *ProjectQuery) AllX(ctx context.Context) []*Project {
+	nodes, err := pq.All(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return nodes
+}
+
+// IDs executes the query and returns a list of Project IDs.
+func (pq *ProjectQuery) IDs(ctx context.Context) (ids []int, err error) {
+	if pq.ctx.Unique == nil && pq.path != nil {
+		pq.Unique(true)
+	}
+	ctx = setContextOp(ctx, pq.ctx, "IDs")
+	if err = pq.Select(project.FieldID).Scan(ctx, &ids); err != nil {
+		return nil, err
+	}
+	return ids, nil
+}
+
+// IDsX is like IDs, but panics if an error occurs.
+func (pq *ProjectQuery) IDsX(ctx context.Context) []int {
+	ids, err := pq.IDs(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return ids
+}
+
+// Count returns the count of the given query.
+func (pq *ProjectQuery) Count(ctx context.Context) (int, error) {
+	ctx = setContextOp(ctx, pq.ctx, "Count")
+	if err := pq.prepareQuery(ctx); err != nil {
+		return 0, err
+	}
+	return withInterceptors[int](ctx, pq, querierCount[*ProjectQuery](), pq.inters)
+}
+
+// CountX is like Count, but panics if an error occurs.
+func (pq *ProjectQuery) CountX(ctx context.Context) int {
+	count, err := pq.Count(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return count
+}
+
+// Exist returns true if the query has elements in the graph.
+func (pq *ProjectQuery) Exist(ctx context.Context) (bool, error) {
+	ctx = setContextOp(ctx, pq.ctx, "Exist")
+	switch _, err := pq.FirstID(ctx); {
+	case IsNotFound(err):
+		return false, nil
+	case err != nil:
+		return false, fmt.Errorf("ent: check existence: %w", err)
+	default:
+		return true, nil
+	}
+}
+
+// ExistX is like Exist, but panics if an error occurs.
+func (pq *ProjectQuery) ExistX(ctx context.Context) bool {
+	exist, err := pq.Exist(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return exist
+}
+
+// Clone returns a duplicate of the ProjectQuery builder, including all associated steps. It can be
+// used to prepare common query builders and use them differently after the clone is made.
+func (pq *ProjectQuery) Clone() *ProjectQuery {
+	if pq == nil {
+		return nil
+	}
+	return &ProjectQuery{
+		config:     pq.config,
+		ctx:        pq.ctx.Clone(),
+		order:      append([]project.OrderOption{}, pq.order...),
+		inters:     append([]Interceptor{}, pq.inters...),
+		predicates: append([]predicate.Project{}, pq.predicates...),
+		withTeam:   pq.withTeam.Clone(),
+		// clone intermediate query.
+		sql:  pq.sql.Clone(),
+		path: pq.path,
+	}
+}
+
+// WithTeam tells the query-builder to eager-load the nodes that are connected to
+// the "team" edge. The optional arguments are used to configure the query builder of the edge.
+func (pq *ProjectQuery) WithTeam(opts ...func(*TeamQuery)) *ProjectQuery {
+	query := (&TeamClient{config: pq.config}).Query()
+	for _, opt := range opts {
+		opt(query)
+	}
+	pq.withTeam = query
+	return pq
+}
+
+// GroupBy is used to group vertices by one or more fields/columns.
+// It is often used with aggregate functions, like: count, max, mean, min, sum.
+//
+// Example:
+//
+//	var v []struct {
+//		Name string `json:"name,omitempty"`
+//		Count int `json:"count,omitempty"`
+//	}
+//
+//	client.Project.Query().
+//		GroupBy(project.FieldName).
+//		Aggregate(ent.Count()).
+//		Scan(ctx, &v)
+func (pq *ProjectQuery) GroupBy(field string, fields ...string) *ProjectGroupBy {
+	pq.ctx.Fields = append([]string{field}, fields...)
+	grbuild := &ProjectGroupBy{build: pq}
+	grbuild.flds = &pq.ctx.Fields
+	grbuild.label = project.Label
+	grbuild.scan = grbuild.Scan
+	return grbuild
+}
+
+// Select allows the selection one or more fields/columns for the given query,
+// instead of selecting all fields in the entity.
+//
+// Example:
+//
+//	var v []struct {
+//		Name string `json:"name,omitempty"`
+//	}
+//
+//	client.Project.Query().
+//		Select(project.FieldName).
+//		Scan(ctx, &v)
+func (pq *ProjectQuery) Select(fields ...string) *ProjectSelect {
+	pq.ctx.Fields = append(pq.ctx.Fields, fields...)
+	sbuild := &ProjectSelect{ProjectQuery: pq}
+	sbuild.label = project.Label
+	sbuild.flds, sbuild.scan = &pq.ctx.Fields, sbuild.Scan
+	return sbuild
+}
+
+// Aggregate returns a ProjectSelect configured with the given aggregations.
+func (pq *ProjectQuery) Aggregate(fns ...AggregateFunc) *ProjectSelect {
+	return pq.Select().Aggregate(fns...)
+}
+
+func (pq *ProjectQuery) prepareQuery(ctx context.Context) error {
+	for _, inter := range pq.inters {
+		if inter == nil {
+			return fmt.Errorf("ent: uninitialized interceptor (forgotten import ent/runtime?)")
+		}
+		if trv, ok := inter.(Traverser); ok {
+			if err := trv.Traverse(ctx, pq); err != nil {
+				return err
+			}
+		}
+	}
+	for _, f := range pq.ctx.Fields {
+		if !project.ValidColumn(f) {
+			return &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
+		}
+	}
+	if pq.path != nil {
+		prev, err := pq.path(ctx)
+		if err != nil {
+			return err
+		}
+		pq.sql = prev
+	}
+	return nil
+}
+
+func (pq *ProjectQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*Project, error) {
+	var (
+		nodes       = []*Project{}
+		withFKs     = pq.withFKs
+		_spec       = pq.querySpec()
+		loadedTypes = [1]bool{
+			pq.withTeam != nil,
+		}
+	)
+	if pq.withTeam != nil {
+		withFKs = true
+	}
+	if withFKs {
+		_spec.Node.Columns = append(_spec.Node.Columns, project.ForeignKeys...)
+	}
+	_spec.ScanValues = func(columns []string) ([]any, error) {
+		return (*Project).scanValues(nil, columns)
+	}
+	_spec.Assign = func(columns []string, values []any) error {
+		node := &Project{config: pq.config}
+		nodes = append(nodes, node)
+		node.Edges.loadedTypes = loadedTypes
+		return node.assignValues(columns, values)
+	}
+	for i := range hooks {
+		hooks[i](ctx, _spec)
+	}
+	if err := sqlgraph.QueryNodes(ctx, pq.driver, _spec); err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nodes, nil
+	}
+	if query := pq.withTeam; query != nil {
+		if err := pq.loadTeam(ctx, query, nodes, nil,
+			func(n *Project, e *Team) { n.Edges.Team = e }); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+func (pq *ProjectQuery) loadTeam(ctx context.Context, query *TeamQuery, nodes []*Project, init func(*Project), assign func(*Project, *Team)) error {
+	ids := make([]int, 0, len(nodes))
+	nodeids := make(map[int][]*Project)
+	for i := range nodes {
+		if nodes[i].team_project == nil {
+			continue
+		}
+		fk := *nodes[i].team_project
+		if _, ok := nodeids[fk]; !ok {
+			ids = append(ids, fk)
+		}
+		nodeids[fk] = append(nodeids[fk], nodes[i])
+	}
+	if len(ids) == 0 {
+		return nil
+	}
+	query.Where(team.IDIn(ids...))
+	neighbors, err := query.All(ctx)
+	if err != nil {
+		return err
+	}
+	for _, n := range neighbors {
+		nodes, ok := nodeids[n.ID]
+		if !ok {
+			return fmt.Errorf(`unexpected foreign-key "team_project" returned %v`, n.ID)
+		}
+		for i := range nodes {
+			assign(nodes[i], n)
+		}
+	}
+	return nil
+}
+
+func (pq *ProjectQuery) sqlCount(ctx context.Context) (int, error) {
+	_spec := pq.querySpec()
+	_spec.Node.Columns = pq.ctx.Fields
+	if len(pq.ctx.Fields) > 0 {
+		_spec.Unique = pq.ctx.Unique != nil && *pq.ctx.Unique
+	}
+	return sqlgraph.CountNodes(ctx, pq.driver, _spec)
+}
+
+func (pq *ProjectQuery) querySpec() *sqlgraph.QuerySpec {
+	_spec := sqlgraph.NewQuerySpec(project.Table, project.Columns, sqlgraph.NewFieldSpec(project.FieldID, field.TypeInt))
+	_spec.From = pq.sql
+	if unique := pq.ctx.Unique; unique != nil {
+		_spec.Unique = *unique
+	} else if pq.path != nil {
+		_spec.Unique = true
+	}
+	if fields := pq.ctx.Fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, project.FieldID)
+		for i := range fields {
+			if fields[i] != project.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
+			}
+		}
+	}
+	if ps := pq.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if limit := pq.ctx.Limit; limit != nil {
+		_spec.Limit = *limit
+	}
+	if offset := pq.ctx.Offset; offset != nil {
+		_spec.Offset = *offset
+	}
+	if ps := pq.order; len(ps) > 0 {
+		_spec.Order = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	return _spec
+}
+
+func (pq *ProjectQuery) sqlQuery(ctx context.Context) *sql.Selector {
+	builder := sql.Dialect(pq.driver.Dialect())
+	t1 := builder.Table(project.Table)
+	columns := pq.ctx.Fields
+	if len(columns) == 0 {
+		columns = project.Columns
+	}
+	selector := builder.Select(t1.Columns(columns...)...).From(t1)
+	if pq.sql != nil {
+		selector = pq.sql
+		selector.Select(selector.Columns(columns...)...)
+	}
+	if pq.ctx.Unique != nil && *pq.ctx.Unique {
+		selector.Distinct()
+	}
+	for _, p := range pq.predicates {
+		p(selector)
+	}
+	for _, p := range pq.order {
+		p(selector)
+	}
+	if offset := pq.ctx.Offset; offset != nil {
+		// limit is mandatory for offset clause. We start
+		// with default value, and override it below if needed.
+		selector.Offset(*offset).Limit(math.MaxInt32)
+	}
+	if limit := pq.ctx.Limit; limit != nil {
+		selector.Limit(*limit)
+	}
+	return selector
+}
+
+// ProjectGroupBy is the group-by builder for Project entities.
+type ProjectGroupBy struct {
+	selector
+	build *ProjectQuery
+}
+
+// Aggregate adds the given aggregation functions to the group-by query.
+func (pgb *ProjectGroupBy) Aggregate(fns ...AggregateFunc) *ProjectGroupBy {
+	pgb.fns = append(pgb.fns, fns...)
+	return pgb
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (pgb *ProjectGroupBy) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, pgb.build.ctx, "GroupBy")
+	if err := pgb.build.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*ProjectQuery, *ProjectGroupBy](ctx, pgb.build, pgb, pgb.build.inters, v)
+}
+
+func (pgb *ProjectGroupBy) sqlScan(ctx context.Context, root *ProjectQuery, v any) error {
+	selector := root.sqlQuery(ctx).Select()
+	aggregation := make([]string, 0, len(pgb.fns))
+	for _, fn := range pgb.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	if len(selector.SelectedColumns()) == 0 {
+		columns := make([]string, 0, len(*pgb.flds)+len(pgb.fns))
+		for _, f := range *pgb.flds {
+			columns = append(columns, selector.C(f))
+		}
+		columns = append(columns, aggregation...)
+		selector.Select(columns...)
+	}
+	selector.GroupBy(selector.Columns(*pgb.flds...)...)
+	if err := selector.Err(); err != nil {
+		return err
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := pgb.build.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}
+
+// ProjectSelect is the builder for selecting fields of Project entities.
+type ProjectSelect struct {
+	*ProjectQuery
+	selector
+}
+
+// Aggregate adds the given aggregation functions to the selector query.
+func (ps *ProjectSelect) Aggregate(fns ...AggregateFunc) *ProjectSelect {
+	ps.fns = append(ps.fns, fns...)
+	return ps
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (ps *ProjectSelect) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, ps.ctx, "Select")
+	if err := ps.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*ProjectQuery, *ProjectSelect](ctx, ps.ProjectQuery, ps, ps.inters, v)
+}
+
+func (ps *ProjectSelect) sqlScan(ctx context.Context, root *ProjectQuery, v any) error {
+	selector := root.sqlQuery(ctx)
+	aggregation := make([]string, 0, len(ps.fns))
+	for _, fn := range ps.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	switch n := len(*ps.selector.flds); {
+	case n == 0 && len(aggregation) > 0:
+		selector.Select(aggregation...)
+	case n != 0 && len(aggregation) > 0:
+		selector.AppendSelect(aggregation...)
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := ps.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}
diff --git a/database/ent/project_update.go b/database/ent/project_update.go
new file mode 100644
index 0000000..8a4d106
--- /dev/null
+++ b/database/ent/project_update.go
@@ -0,0 +1,318 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"portfolio/database/ent/predicate"
+	"portfolio/database/ent/project"
+	"portfolio/database/ent/team"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// ProjectUpdate is the builder for updating Project entities.
+type ProjectUpdate struct {
+	config
+	hooks    []Hook
+	mutation *ProjectMutation
+}
+
+// Where appends a list predicates to the ProjectUpdate builder.
+func (pu *ProjectUpdate) Where(ps ...predicate.Project) *ProjectUpdate {
+	pu.mutation.Where(ps...)
+	return pu
+}
+
+// SetName sets the "name" field.
+func (pu *ProjectUpdate) SetName(s string) *ProjectUpdate {
+	pu.mutation.SetName(s)
+	return pu
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (pu *ProjectUpdate) SetNillableName(s *string) *ProjectUpdate {
+	if s != nil {
+		pu.SetName(*s)
+	}
+	return pu
+}
+
+// SetTeamID sets the "team" edge to the Team entity by ID.
+func (pu *ProjectUpdate) SetTeamID(id int) *ProjectUpdate {
+	pu.mutation.SetTeamID(id)
+	return pu
+}
+
+// SetNillableTeamID sets the "team" edge to the Team entity by ID if the given value is not nil.
+func (pu *ProjectUpdate) SetNillableTeamID(id *int) *ProjectUpdate {
+	if id != nil {
+		pu = pu.SetTeamID(*id)
+	}
+	return pu
+}
+
+// SetTeam sets the "team" edge to the Team entity.
+func (pu *ProjectUpdate) SetTeam(t *Team) *ProjectUpdate {
+	return pu.SetTeamID(t.ID)
+}
+
+// Mutation returns the ProjectMutation object of the builder.
+func (pu *ProjectUpdate) Mutation() *ProjectMutation {
+	return pu.mutation
+}
+
+// ClearTeam clears the "team" edge to the Team entity.
+func (pu *ProjectUpdate) ClearTeam() *ProjectUpdate {
+	pu.mutation.ClearTeam()
+	return pu
+}
+
+// Save executes the query and returns the number of nodes affected by the update operation.
+func (pu *ProjectUpdate) Save(ctx context.Context) (int, error) {
+	return withHooks(ctx, pu.sqlSave, pu.mutation, pu.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (pu *ProjectUpdate) SaveX(ctx context.Context) int {
+	affected, err := pu.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return affected
+}
+
+// Exec executes the query.
+func (pu *ProjectUpdate) Exec(ctx context.Context) error {
+	_, err := pu.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (pu *ProjectUpdate) ExecX(ctx context.Context) {
+	if err := pu.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+func (pu *ProjectUpdate) sqlSave(ctx context.Context) (n int, err error) {
+	_spec := sqlgraph.NewUpdateSpec(project.Table, project.Columns, sqlgraph.NewFieldSpec(project.FieldID, field.TypeInt))
+	if ps := pu.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := pu.mutation.Name(); ok {
+		_spec.SetField(project.FieldName, field.TypeString, value)
+	}
+	if pu.mutation.TeamCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2O,
+			Inverse: true,
+			Table:   project.TeamTable,
+			Columns: []string{project.TeamColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(team.FieldID, field.TypeInt),
+			},
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := pu.mutation.TeamIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2O,
+			Inverse: true,
+			Table:   project.TeamTable,
+			Columns: []string{project.TeamColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(team.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Add = append(_spec.Edges.Add, edge)
+	}
+	if n, err = sqlgraph.UpdateNodes(ctx, pu.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{project.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return 0, err
+	}
+	pu.mutation.done = true
+	return n, nil
+}
+
+// ProjectUpdateOne is the builder for updating a single Project entity.
+type ProjectUpdateOne struct {
+	config
+	fields   []string
+	hooks    []Hook
+	mutation *ProjectMutation
+}
+
+// SetName sets the "name" field.
+func (puo *ProjectUpdateOne) SetName(s string) *ProjectUpdateOne {
+	puo.mutation.SetName(s)
+	return puo
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (puo *ProjectUpdateOne) SetNillableName(s *string) *ProjectUpdateOne {
+	if s != nil {
+		puo.SetName(*s)
+	}
+	return puo
+}
+
+// SetTeamID sets the "team" edge to the Team entity by ID.
+func (puo *ProjectUpdateOne) SetTeamID(id int) *ProjectUpdateOne {
+	puo.mutation.SetTeamID(id)
+	return puo
+}
+
+// SetNillableTeamID sets the "team" edge to the Team entity by ID if the given value is not nil.
+func (puo *ProjectUpdateOne) SetNillableTeamID(id *int) *ProjectUpdateOne {
+	if id != nil {
+		puo = puo.SetTeamID(*id)
+	}
+	return puo
+}
+
+// SetTeam sets the "team" edge to the Team entity.
+func (puo *ProjectUpdateOne) SetTeam(t *Team) *ProjectUpdateOne {
+	return puo.SetTeamID(t.ID)
+}
+
+// Mutation returns the ProjectMutation object of the builder.
+func (puo *ProjectUpdateOne) Mutation() *ProjectMutation {
+	return puo.mutation
+}
+
+// ClearTeam clears the "team" edge to the Team entity.
+func (puo *ProjectUpdateOne) ClearTeam() *ProjectUpdateOne {
+	puo.mutation.ClearTeam()
+	return puo
+}
+
+// Where appends a list predicates to the ProjectUpdate builder.
+func (puo *ProjectUpdateOne) Where(ps ...predicate.Project) *ProjectUpdateOne {
+	puo.mutation.Where(ps...)
+	return puo
+}
+
+// Select allows selecting one or more fields (columns) of the returned entity.
+// The default is selecting all fields defined in the entity schema.
+func (puo *ProjectUpdateOne) Select(field string, fields ...string) *ProjectUpdateOne {
+	puo.fields = append([]string{field}, fields...)
+	return puo
+}
+
+// Save executes the query and returns the updated Project entity.
+func (puo *ProjectUpdateOne) Save(ctx context.Context) (*Project, error) {
+	return withHooks(ctx, puo.sqlSave, puo.mutation, puo.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (puo *ProjectUpdateOne) SaveX(ctx context.Context) *Project {
+	node, err := puo.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// Exec executes the query on the entity.
+func (puo *ProjectUpdateOne) Exec(ctx context.Context) error {
+	_, err := puo.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (puo *ProjectUpdateOne) ExecX(ctx context.Context) {
+	if err := puo.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+func (puo *ProjectUpdateOne) sqlSave(ctx context.Context) (_node *Project, err error) {
+	_spec := sqlgraph.NewUpdateSpec(project.Table, project.Columns, sqlgraph.NewFieldSpec(project.FieldID, field.TypeInt))
+	id, ok := puo.mutation.ID()
+	if !ok {
+		return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "Project.id" for update`)}
+	}
+	_spec.Node.ID.Value = id
+	if fields := puo.fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, project.FieldID)
+		for _, f := range fields {
+			if !project.ValidColumn(f) {
+				return nil, &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
+			}
+			if f != project.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, f)
+			}
+		}
+	}
+	if ps := puo.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := puo.mutation.Name(); ok {
+		_spec.SetField(project.FieldName, field.TypeString, value)
+	}
+	if puo.mutation.TeamCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2O,
+			Inverse: true,
+			Table:   project.TeamTable,
+			Columns: []string{project.TeamColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(team.FieldID, field.TypeInt),
+			},
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := puo.mutation.TeamIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2O,
+			Inverse: true,
+			Table:   project.TeamTable,
+			Columns: []string{project.TeamColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(team.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Add = append(_spec.Edges.Add, edge)
+	}
+	_node = &Project{config: puo.config}
+	_spec.Assign = _node.assignValues
+	_spec.ScanValues = _node.scanValues
+	if err = sqlgraph.UpdateNode(ctx, puo.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{project.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	puo.mutation.done = true
+	return _node, nil
+}
diff --git a/database/ent/runtime.go b/database/ent/runtime.go
new file mode 100644
index 0000000..3d56e0b
--- /dev/null
+++ b/database/ent/runtime.go
@@ -0,0 +1,20 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"portfolio/database/ent/schema"
+	"portfolio/database/ent/user"
+)
+
+// The init function reads all schema descriptors with runtime code
+// (default values, validators, hooks and policies) and stitches it
+// to their package variables.
+func init() {
+	userFields := schema.User{}.Fields()
+	_ = userFields
+	// userDescName is the schema descriptor for name field.
+	userDescName := userFields[0].Descriptor()
+	// user.DefaultName holds the default value on creation for the name field.
+	user.DefaultName = userDescName.Default.(string)
+}
diff --git a/database/ent/runtime/runtime.go b/database/ent/runtime/runtime.go
new file mode 100644
index 0000000..d2c99d5
--- /dev/null
+++ b/database/ent/runtime/runtime.go
@@ -0,0 +1,10 @@
+// Code generated by ent, DO NOT EDIT.
+
+package runtime
+
+// The schema-stitching logic is generated in portfolio/database/ent/runtime.go
+
+const (
+	Version = "v0.13.1"                                         // Version of ent codegen.
+	Sum     = "h1:uD8QwN1h6SNphdCCzmkMN3feSUzNnVvV/WIkHKMbzOE=" // Sum of ent codegen.
+)
diff --git a/database/ent/team.go b/database/ent/team.go
new file mode 100644
index 0000000..7065b97
--- /dev/null
+++ b/database/ent/team.go
@@ -0,0 +1,145 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"fmt"
+	"portfolio/database/ent/team"
+	"strings"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+)
+
+// Team is the model entity for the Team schema.
+type Team struct {
+	config `json:"-"`
+	// ID of the ent.
+	ID int `json:"id,omitempty"`
+	// Name holds the value of the "name" field.
+	Name string `json:"name,omitempty"`
+	// Edges holds the relations/edges for other nodes in the graph.
+	// The values are being populated by the TeamQuery when eager-loading is set.
+	Edges        TeamEdges `json:"edges"`
+	selectValues sql.SelectValues
+}
+
+// TeamEdges holds the relations/edges for other nodes in the graph.
+type TeamEdges struct {
+	// Project holds the value of the project edge.
+	Project []*Project `json:"project,omitempty"`
+	// Users holds the value of the users edge.
+	Users []*User `json:"users,omitempty"`
+	// loadedTypes holds the information for reporting if a
+	// type was loaded (or requested) in eager-loading or not.
+	loadedTypes [2]bool
+}
+
+// ProjectOrErr returns the Project value or an error if the edge
+// was not loaded in eager-loading.
+func (e TeamEdges) ProjectOrErr() ([]*Project, error) {
+	if e.loadedTypes[0] {
+		return e.Project, nil
+	}
+	return nil, &NotLoadedError{edge: "project"}
+}
+
+// UsersOrErr returns the Users value or an error if the edge
+// was not loaded in eager-loading.
+func (e TeamEdges) UsersOrErr() ([]*User, error) {
+	if e.loadedTypes[1] {
+		return e.Users, nil
+	}
+	return nil, &NotLoadedError{edge: "users"}
+}
+
+// scanValues returns the types for scanning values from sql.Rows.
+func (*Team) scanValues(columns []string) ([]any, error) {
+	values := make([]any, len(columns))
+	for i := range columns {
+		switch columns[i] {
+		case team.FieldID:
+			values[i] = new(sql.NullInt64)
+		case team.FieldName:
+			values[i] = new(sql.NullString)
+		default:
+			values[i] = new(sql.UnknownType)
+		}
+	}
+	return values, nil
+}
+
+// assignValues assigns the values that were returned from sql.Rows (after scanning)
+// to the Team fields.
+func (t *Team) assignValues(columns []string, values []any) error {
+	if m, n := len(values), len(columns); m < n {
+		return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
+	}
+	for i := range columns {
+		switch columns[i] {
+		case team.FieldID:
+			value, ok := values[i].(*sql.NullInt64)
+			if !ok {
+				return fmt.Errorf("unexpected type %T for field id", value)
+			}
+			t.ID = int(value.Int64)
+		case team.FieldName:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field name", values[i])
+			} else if value.Valid {
+				t.Name = value.String
+			}
+		default:
+			t.selectValues.Set(columns[i], values[i])
+		}
+	}
+	return nil
+}
+
+// Value returns the ent.Value that was dynamically selected and assigned to the Team.
+// This includes values selected through modifiers, order, etc.
+func (t *Team) Value(name string) (ent.Value, error) {
+	return t.selectValues.Get(name)
+}
+
+// QueryProject queries the "project" edge of the Team entity.
+func (t *Team) QueryProject() *ProjectQuery {
+	return NewTeamClient(t.config).QueryProject(t)
+}
+
+// QueryUsers queries the "users" edge of the Team entity.
+func (t *Team) QueryUsers() *UserQuery {
+	return NewTeamClient(t.config).QueryUsers(t)
+}
+
+// Update returns a builder for updating this Team.
+// Note that you need to call Team.Unwrap() before calling this method if this Team
+// was returned from a transaction, and the transaction was committed or rolled back.
+func (t *Team) Update() *TeamUpdateOne {
+	return NewTeamClient(t.config).UpdateOne(t)
+}
+
+// Unwrap unwraps the Team entity that was returned from a transaction after it was closed,
+// so that all future queries will be executed through the driver which created the transaction.
+func (t *Team) Unwrap() *Team {
+	_tx, ok := t.config.driver.(*txDriver)
+	if !ok {
+		panic("ent: Team is not a transactional entity")
+	}
+	t.config.driver = _tx.drv
+	return t
+}
+
+// String implements the fmt.Stringer.
+func (t *Team) String() string {
+	var builder strings.Builder
+	builder.WriteString("Team(")
+	builder.WriteString(fmt.Sprintf("id=%v, ", t.ID))
+	builder.WriteString("name=")
+	builder.WriteString(t.Name)
+	builder.WriteByte(')')
+	return builder.String()
+}
+
+// Teams is a parsable slice of Team.
+type Teams []*Team
diff --git a/database/ent/team/team.go b/database/ent/team/team.go
new file mode 100644
index 0000000..f5b112e
--- /dev/null
+++ b/database/ent/team/team.go
@@ -0,0 +1,112 @@
+// Code generated by ent, DO NOT EDIT.
+
+package team
+
+import (
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+const (
+	// Label holds the string label denoting the team type in the database.
+	Label = "team"
+	// FieldID holds the string denoting the id field in the database.
+	FieldID = "id"
+	// FieldName holds the string denoting the name field in the database.
+	FieldName = "name"
+	// EdgeProject holds the string denoting the project edge name in mutations.
+	EdgeProject = "project"
+	// EdgeUsers holds the string denoting the users edge name in mutations.
+	EdgeUsers = "users"
+	// Table holds the table name of the team in the database.
+	Table = "teams"
+	// ProjectTable is the table that holds the project relation/edge.
+	ProjectTable = "projects"
+	// ProjectInverseTable is the table name for the Project entity.
+	// It exists in this package in order to avoid circular dependency with the "project" package.
+	ProjectInverseTable = "projects"
+	// ProjectColumn is the table column denoting the project relation/edge.
+	ProjectColumn = "team_project"
+	// UsersTable is the table that holds the users relation/edge. The primary key declared below.
+	UsersTable = "user_teams"
+	// UsersInverseTable is the table name for the User entity.
+	// It exists in this package in order to avoid circular dependency with the "user" package.
+	UsersInverseTable = "users"
+)
+
+// Columns holds all SQL columns for team fields.
+var Columns = []string{
+	FieldID,
+	FieldName,
+}
+
+var (
+	// UsersPrimaryKey and UsersColumn2 are the table columns denoting the
+	// primary key for the users relation (M2M).
+	UsersPrimaryKey = []string{"user_id", "team_id"}
+)
+
+// ValidColumn reports if the column name is valid (part of the table columns).
+func ValidColumn(column string) bool {
+	for i := range Columns {
+		if column == Columns[i] {
+			return true
+		}
+	}
+	return false
+}
+
+// OrderOption defines the ordering options for the Team queries.
+type OrderOption func(*sql.Selector)
+
+// ByID orders the results by the id field.
+func ByID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldID, opts...).ToFunc()
+}
+
+// ByName orders the results by the name field.
+func ByName(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldName, opts...).ToFunc()
+}
+
+// ByProjectCount orders the results by project count.
+func ByProjectCount(opts ...sql.OrderTermOption) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborsCount(s, newProjectStep(), opts...)
+	}
+}
+
+// ByProject orders the results by project terms.
+func ByProject(term sql.OrderTerm, terms ...sql.OrderTerm) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborTerms(s, newProjectStep(), append([]sql.OrderTerm{term}, terms...)...)
+	}
+}
+
+// ByUsersCount orders the results by users count.
+func ByUsersCount(opts ...sql.OrderTermOption) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborsCount(s, newUsersStep(), opts...)
+	}
+}
+
+// ByUsers orders the results by users terms.
+func ByUsers(term sql.OrderTerm, terms ...sql.OrderTerm) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborTerms(s, newUsersStep(), append([]sql.OrderTerm{term}, terms...)...)
+	}
+}
+func newProjectStep() *sqlgraph.Step {
+	return sqlgraph.NewStep(
+		sqlgraph.From(Table, FieldID),
+		sqlgraph.To(ProjectInverseTable, FieldID),
+		sqlgraph.Edge(sqlgraph.O2M, false, ProjectTable, ProjectColumn),
+	)
+}
+func newUsersStep() *sqlgraph.Step {
+	return sqlgraph.NewStep(
+		sqlgraph.From(Table, FieldID),
+		sqlgraph.To(UsersInverseTable, FieldID),
+		sqlgraph.Edge(sqlgraph.M2M, true, UsersTable, UsersPrimaryKey...),
+	)
+}
diff --git a/database/ent/team/where.go b/database/ent/team/where.go
new file mode 100644
index 0000000..2afd533
--- /dev/null
+++ b/database/ent/team/where.go
@@ -0,0 +1,186 @@
+// Code generated by ent, DO NOT EDIT.
+
+package team
+
+import (
+	"portfolio/database/ent/predicate"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+// ID filters vertices based on their ID field.
+func ID(id int) predicate.Team {
+	return predicate.Team(sql.FieldEQ(FieldID, id))
+}
+
+// IDEQ applies the EQ predicate on the ID field.
+func IDEQ(id int) predicate.Team {
+	return predicate.Team(sql.FieldEQ(FieldID, id))
+}
+
+// IDNEQ applies the NEQ predicate on the ID field.
+func IDNEQ(id int) predicate.Team {
+	return predicate.Team(sql.FieldNEQ(FieldID, id))
+}
+
+// IDIn applies the In predicate on the ID field.
+func IDIn(ids ...int) predicate.Team {
+	return predicate.Team(sql.FieldIn(FieldID, ids...))
+}
+
+// IDNotIn applies the NotIn predicate on the ID field.
+func IDNotIn(ids ...int) predicate.Team {
+	return predicate.Team(sql.FieldNotIn(FieldID, ids...))
+}
+
+// IDGT applies the GT predicate on the ID field.
+func IDGT(id int) predicate.Team {
+	return predicate.Team(sql.FieldGT(FieldID, id))
+}
+
+// IDGTE applies the GTE predicate on the ID field.
+func IDGTE(id int) predicate.Team {
+	return predicate.Team(sql.FieldGTE(FieldID, id))
+}
+
+// IDLT applies the LT predicate on the ID field.
+func IDLT(id int) predicate.Team {
+	return predicate.Team(sql.FieldLT(FieldID, id))
+}
+
+// IDLTE applies the LTE predicate on the ID field.
+func IDLTE(id int) predicate.Team {
+	return predicate.Team(sql.FieldLTE(FieldID, id))
+}
+
+// Name applies equality check predicate on the "name" field. It's identical to NameEQ.
+func Name(v string) predicate.Team {
+	return predicate.Team(sql.FieldEQ(FieldName, v))
+}
+
+// NameEQ applies the EQ predicate on the "name" field.
+func NameEQ(v string) predicate.Team {
+	return predicate.Team(sql.FieldEQ(FieldName, v))
+}
+
+// NameNEQ applies the NEQ predicate on the "name" field.
+func NameNEQ(v string) predicate.Team {
+	return predicate.Team(sql.FieldNEQ(FieldName, v))
+}
+
+// NameIn applies the In predicate on the "name" field.
+func NameIn(vs ...string) predicate.Team {
+	return predicate.Team(sql.FieldIn(FieldName, vs...))
+}
+
+// NameNotIn applies the NotIn predicate on the "name" field.
+func NameNotIn(vs ...string) predicate.Team {
+	return predicate.Team(sql.FieldNotIn(FieldName, vs...))
+}
+
+// NameGT applies the GT predicate on the "name" field.
+func NameGT(v string) predicate.Team {
+	return predicate.Team(sql.FieldGT(FieldName, v))
+}
+
+// NameGTE applies the GTE predicate on the "name" field.
+func NameGTE(v string) predicate.Team {
+	return predicate.Team(sql.FieldGTE(FieldName, v))
+}
+
+// NameLT applies the LT predicate on the "name" field.
+func NameLT(v string) predicate.Team {
+	return predicate.Team(sql.FieldLT(FieldName, v))
+}
+
+// NameLTE applies the LTE predicate on the "name" field.
+func NameLTE(v string) predicate.Team {
+	return predicate.Team(sql.FieldLTE(FieldName, v))
+}
+
+// NameContains applies the Contains predicate on the "name" field.
+func NameContains(v string) predicate.Team {
+	return predicate.Team(sql.FieldContains(FieldName, v))
+}
+
+// NameHasPrefix applies the HasPrefix predicate on the "name" field.
+func NameHasPrefix(v string) predicate.Team {
+	return predicate.Team(sql.FieldHasPrefix(FieldName, v))
+}
+
+// NameHasSuffix applies the HasSuffix predicate on the "name" field.
+func NameHasSuffix(v string) predicate.Team {
+	return predicate.Team(sql.FieldHasSuffix(FieldName, v))
+}
+
+// NameEqualFold applies the EqualFold predicate on the "name" field.
+func NameEqualFold(v string) predicate.Team {
+	return predicate.Team(sql.FieldEqualFold(FieldName, v))
+}
+
+// NameContainsFold applies the ContainsFold predicate on the "name" field.
+func NameContainsFold(v string) predicate.Team {
+	return predicate.Team(sql.FieldContainsFold(FieldName, v))
+}
+
+// HasProject applies the HasEdge predicate on the "project" edge.
+func HasProject() predicate.Team {
+	return predicate.Team(func(s *sql.Selector) {
+		step := sqlgraph.NewStep(
+			sqlgraph.From(Table, FieldID),
+			sqlgraph.Edge(sqlgraph.O2M, false, ProjectTable, ProjectColumn),
+		)
+		sqlgraph.HasNeighbors(s, step)
+	})
+}
+
+// HasProjectWith applies the HasEdge predicate on the "project" edge with a given conditions (other predicates).
+func HasProjectWith(preds ...predicate.Project) predicate.Team {
+	return predicate.Team(func(s *sql.Selector) {
+		step := newProjectStep()
+		sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {
+			for _, p := range preds {
+				p(s)
+			}
+		})
+	})
+}
+
+// HasUsers applies the HasEdge predicate on the "users" edge.
+func HasUsers() predicate.Team {
+	return predicate.Team(func(s *sql.Selector) {
+		step := sqlgraph.NewStep(
+			sqlgraph.From(Table, FieldID),
+			sqlgraph.Edge(sqlgraph.M2M, true, UsersTable, UsersPrimaryKey...),
+		)
+		sqlgraph.HasNeighbors(s, step)
+	})
+}
+
+// HasUsersWith applies the HasEdge predicate on the "users" edge with a given conditions (other predicates).
+func HasUsersWith(preds ...predicate.User) predicate.Team {
+	return predicate.Team(func(s *sql.Selector) {
+		step := newUsersStep()
+		sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {
+			for _, p := range preds {
+				p(s)
+			}
+		})
+	})
+}
+
+// And groups predicates with the AND operator between them.
+func And(predicates ...predicate.Team) predicate.Team {
+	return predicate.Team(sql.AndPredicates(predicates...))
+}
+
+// Or groups predicates with the OR operator between them.
+func Or(predicates ...predicate.Team) predicate.Team {
+	return predicate.Team(sql.OrPredicates(predicates...))
+}
+
+// Not applies the not operator on the given predicate.
+func Not(p predicate.Team) predicate.Team {
+	return predicate.Team(sql.NotPredicates(p))
+}
diff --git a/database/ent/team_create.go b/database/ent/team_create.go
new file mode 100644
index 0000000..aa0215f
--- /dev/null
+++ b/database/ent/team_create.go
@@ -0,0 +1,247 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"portfolio/database/ent/project"
+	"portfolio/database/ent/team"
+	"portfolio/database/ent/user"
+
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// TeamCreate is the builder for creating a Team entity.
+type TeamCreate struct {
+	config
+	mutation *TeamMutation
+	hooks    []Hook
+}
+
+// SetName sets the "name" field.
+func (tc *TeamCreate) SetName(s string) *TeamCreate {
+	tc.mutation.SetName(s)
+	return tc
+}
+
+// AddProjectIDs adds the "project" edge to the Project entity by IDs.
+func (tc *TeamCreate) AddProjectIDs(ids ...int) *TeamCreate {
+	tc.mutation.AddProjectIDs(ids...)
+	return tc
+}
+
+// AddProject adds the "project" edges to the Project entity.
+func (tc *TeamCreate) AddProject(p ...*Project) *TeamCreate {
+	ids := make([]int, len(p))
+	for i := range p {
+		ids[i] = p[i].ID
+	}
+	return tc.AddProjectIDs(ids...)
+}
+
+// AddUserIDs adds the "users" edge to the User entity by IDs.
+func (tc *TeamCreate) AddUserIDs(ids ...int) *TeamCreate {
+	tc.mutation.AddUserIDs(ids...)
+	return tc
+}
+
+// AddUsers adds the "users" edges to the User entity.
+func (tc *TeamCreate) AddUsers(u ...*User) *TeamCreate {
+	ids := make([]int, len(u))
+	for i := range u {
+		ids[i] = u[i].ID
+	}
+	return tc.AddUserIDs(ids...)
+}
+
+// Mutation returns the TeamMutation object of the builder.
+func (tc *TeamCreate) Mutation() *TeamMutation {
+	return tc.mutation
+}
+
+// Save creates the Team in the database.
+func (tc *TeamCreate) Save(ctx context.Context) (*Team, error) {
+	return withHooks(ctx, tc.sqlSave, tc.mutation, tc.hooks)
+}
+
+// SaveX calls Save and panics if Save returns an error.
+func (tc *TeamCreate) SaveX(ctx context.Context) *Team {
+	v, err := tc.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (tc *TeamCreate) Exec(ctx context.Context) error {
+	_, err := tc.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (tc *TeamCreate) ExecX(ctx context.Context) {
+	if err := tc.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (tc *TeamCreate) check() error {
+	if _, ok := tc.mutation.Name(); !ok {
+		return &ValidationError{Name: "name", err: errors.New(`ent: missing required field "Team.name"`)}
+	}
+	return nil
+}
+
+func (tc *TeamCreate) sqlSave(ctx context.Context) (*Team, error) {
+	if err := tc.check(); err != nil {
+		return nil, err
+	}
+	_node, _spec := tc.createSpec()
+	if err := sqlgraph.CreateNode(ctx, tc.driver, _spec); err != nil {
+		if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	id := _spec.ID.Value.(int64)
+	_node.ID = int(id)
+	tc.mutation.id = &_node.ID
+	tc.mutation.done = true
+	return _node, nil
+}
+
+func (tc *TeamCreate) createSpec() (*Team, *sqlgraph.CreateSpec) {
+	var (
+		_node = &Team{config: tc.config}
+		_spec = sqlgraph.NewCreateSpec(team.Table, sqlgraph.NewFieldSpec(team.FieldID, field.TypeInt))
+	)
+	if value, ok := tc.mutation.Name(); ok {
+		_spec.SetField(team.FieldName, field.TypeString, value)
+		_node.Name = value
+	}
+	if nodes := tc.mutation.ProjectIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.O2M,
+			Inverse: false,
+			Table:   team.ProjectTable,
+			Columns: []string{team.ProjectColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(project.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges = append(_spec.Edges, edge)
+	}
+	if nodes := tc.mutation.UsersIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   team.UsersTable,
+			Columns: team.UsersPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges = append(_spec.Edges, edge)
+	}
+	return _node, _spec
+}
+
+// TeamCreateBulk is the builder for creating many Team entities in bulk.
+type TeamCreateBulk struct {
+	config
+	err      error
+	builders []*TeamCreate
+}
+
+// Save creates the Team entities in the database.
+func (tcb *TeamCreateBulk) Save(ctx context.Context) ([]*Team, error) {
+	if tcb.err != nil {
+		return nil, tcb.err
+	}
+	specs := make([]*sqlgraph.CreateSpec, len(tcb.builders))
+	nodes := make([]*Team, len(tcb.builders))
+	mutators := make([]Mutator, len(tcb.builders))
+	for i := range tcb.builders {
+		func(i int, root context.Context) {
+			builder := tcb.builders[i]
+			var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
+				mutation, ok := m.(*TeamMutation)
+				if !ok {
+					return nil, fmt.Errorf("unexpected mutation type %T", m)
+				}
+				if err := builder.check(); err != nil {
+					return nil, err
+				}
+				builder.mutation = mutation
+				var err error
+				nodes[i], specs[i] = builder.createSpec()
+				if i < len(mutators)-1 {
+					_, err = mutators[i+1].Mutate(root, tcb.builders[i+1].mutation)
+				} else {
+					spec := &sqlgraph.BatchCreateSpec{Nodes: specs}
+					// Invoke the actual operation on the latest mutation in the chain.
+					if err = sqlgraph.BatchCreate(ctx, tcb.driver, spec); err != nil {
+						if sqlgraph.IsConstraintError(err) {
+							err = &ConstraintError{msg: err.Error(), wrap: err}
+						}
+					}
+				}
+				if err != nil {
+					return nil, err
+				}
+				mutation.id = &nodes[i].ID
+				if specs[i].ID.Value != nil {
+					id := specs[i].ID.Value.(int64)
+					nodes[i].ID = int(id)
+				}
+				mutation.done = true
+				return nodes[i], nil
+			})
+			for i := len(builder.hooks) - 1; i >= 0; i-- {
+				mut = builder.hooks[i](mut)
+			}
+			mutators[i] = mut
+		}(i, ctx)
+	}
+	if len(mutators) > 0 {
+		if _, err := mutators[0].Mutate(ctx, tcb.builders[0].mutation); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (tcb *TeamCreateBulk) SaveX(ctx context.Context) []*Team {
+	v, err := tcb.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (tcb *TeamCreateBulk) Exec(ctx context.Context) error {
+	_, err := tcb.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (tcb *TeamCreateBulk) ExecX(ctx context.Context) {
+	if err := tcb.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
diff --git a/database/ent/team_delete.go b/database/ent/team_delete.go
new file mode 100644
index 0000000..60426f8
--- /dev/null
+++ b/database/ent/team_delete.go
@@ -0,0 +1,88 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"portfolio/database/ent/predicate"
+	"portfolio/database/ent/team"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// TeamDelete is the builder for deleting a Team entity.
+type TeamDelete struct {
+	config
+	hooks    []Hook
+	mutation *TeamMutation
+}
+
+// Where appends a list predicates to the TeamDelete builder.
+func (td *TeamDelete) Where(ps ...predicate.Team) *TeamDelete {
+	td.mutation.Where(ps...)
+	return td
+}
+
+// Exec executes the deletion query and returns how many vertices were deleted.
+func (td *TeamDelete) Exec(ctx context.Context) (int, error) {
+	return withHooks(ctx, td.sqlExec, td.mutation, td.hooks)
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (td *TeamDelete) ExecX(ctx context.Context) int {
+	n, err := td.Exec(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return n
+}
+
+func (td *TeamDelete) sqlExec(ctx context.Context) (int, error) {
+	_spec := sqlgraph.NewDeleteSpec(team.Table, sqlgraph.NewFieldSpec(team.FieldID, field.TypeInt))
+	if ps := td.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	affected, err := sqlgraph.DeleteNodes(ctx, td.driver, _spec)
+	if err != nil && sqlgraph.IsConstraintError(err) {
+		err = &ConstraintError{msg: err.Error(), wrap: err}
+	}
+	td.mutation.done = true
+	return affected, err
+}
+
+// TeamDeleteOne is the builder for deleting a single Team entity.
+type TeamDeleteOne struct {
+	td *TeamDelete
+}
+
+// Where appends a list predicates to the TeamDelete builder.
+func (tdo *TeamDeleteOne) Where(ps ...predicate.Team) *TeamDeleteOne {
+	tdo.td.mutation.Where(ps...)
+	return tdo
+}
+
+// Exec executes the deletion query.
+func (tdo *TeamDeleteOne) Exec(ctx context.Context) error {
+	n, err := tdo.td.Exec(ctx)
+	switch {
+	case err != nil:
+		return err
+	case n == 0:
+		return &NotFoundError{team.Label}
+	default:
+		return nil
+	}
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (tdo *TeamDeleteOne) ExecX(ctx context.Context) {
+	if err := tdo.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
diff --git a/database/ent/team_query.go b/database/ent/team_query.go
new file mode 100644
index 0000000..6677676
--- /dev/null
+++ b/database/ent/team_query.go
@@ -0,0 +1,711 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"database/sql/driver"
+	"fmt"
+	"math"
+	"portfolio/database/ent/predicate"
+	"portfolio/database/ent/project"
+	"portfolio/database/ent/team"
+	"portfolio/database/ent/user"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// TeamQuery is the builder for querying Team entities.
+type TeamQuery struct {
+	config
+	ctx         *QueryContext
+	order       []team.OrderOption
+	inters      []Interceptor
+	predicates  []predicate.Team
+	withProject *ProjectQuery
+	withUsers   *UserQuery
+	// intermediate query (i.e. traversal path).
+	sql  *sql.Selector
+	path func(context.Context) (*sql.Selector, error)
+}
+
+// Where adds a new predicate for the TeamQuery builder.
+func (tq *TeamQuery) Where(ps ...predicate.Team) *TeamQuery {
+	tq.predicates = append(tq.predicates, ps...)
+	return tq
+}
+
+// Limit the number of records to be returned by this query.
+func (tq *TeamQuery) Limit(limit int) *TeamQuery {
+	tq.ctx.Limit = &limit
+	return tq
+}
+
+// Offset to start from.
+func (tq *TeamQuery) Offset(offset int) *TeamQuery {
+	tq.ctx.Offset = &offset
+	return tq
+}
+
+// Unique configures the query builder to filter duplicate records on query.
+// By default, unique is set to true, and can be disabled using this method.
+func (tq *TeamQuery) Unique(unique bool) *TeamQuery {
+	tq.ctx.Unique = &unique
+	return tq
+}
+
+// Order specifies how the records should be ordered.
+func (tq *TeamQuery) Order(o ...team.OrderOption) *TeamQuery {
+	tq.order = append(tq.order, o...)
+	return tq
+}
+
+// QueryProject chains the current query on the "project" edge.
+func (tq *TeamQuery) QueryProject() *ProjectQuery {
+	query := (&ProjectClient{config: tq.config}).Query()
+	query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
+		if err := tq.prepareQuery(ctx); err != nil {
+			return nil, err
+		}
+		selector := tq.sqlQuery(ctx)
+		if err := selector.Err(); err != nil {
+			return nil, err
+		}
+		step := sqlgraph.NewStep(
+			sqlgraph.From(team.Table, team.FieldID, selector),
+			sqlgraph.To(project.Table, project.FieldID),
+			sqlgraph.Edge(sqlgraph.O2M, false, team.ProjectTable, team.ProjectColumn),
+		)
+		fromU = sqlgraph.SetNeighbors(tq.driver.Dialect(), step)
+		return fromU, nil
+	}
+	return query
+}
+
+// QueryUsers chains the current query on the "users" edge.
+func (tq *TeamQuery) QueryUsers() *UserQuery {
+	query := (&UserClient{config: tq.config}).Query()
+	query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
+		if err := tq.prepareQuery(ctx); err != nil {
+			return nil, err
+		}
+		selector := tq.sqlQuery(ctx)
+		if err := selector.Err(); err != nil {
+			return nil, err
+		}
+		step := sqlgraph.NewStep(
+			sqlgraph.From(team.Table, team.FieldID, selector),
+			sqlgraph.To(user.Table, user.FieldID),
+			sqlgraph.Edge(sqlgraph.M2M, true, team.UsersTable, team.UsersPrimaryKey...),
+		)
+		fromU = sqlgraph.SetNeighbors(tq.driver.Dialect(), step)
+		return fromU, nil
+	}
+	return query
+}
+
+// First returns the first Team entity from the query.
+// Returns a *NotFoundError when no Team was found.
+func (tq *TeamQuery) First(ctx context.Context) (*Team, error) {
+	nodes, err := tq.Limit(1).All(setContextOp(ctx, tq.ctx, "First"))
+	if err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nil, &NotFoundError{team.Label}
+	}
+	return nodes[0], nil
+}
+
+// FirstX is like First, but panics if an error occurs.
+func (tq *TeamQuery) FirstX(ctx context.Context) *Team {
+	node, err := tq.First(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return node
+}
+
+// FirstID returns the first Team ID from the query.
+// Returns a *NotFoundError when no Team ID was found.
+func (tq *TeamQuery) FirstID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = tq.Limit(1).IDs(setContextOp(ctx, tq.ctx, "FirstID")); err != nil {
+		return
+	}
+	if len(ids) == 0 {
+		err = &NotFoundError{team.Label}
+		return
+	}
+	return ids[0], nil
+}
+
+// FirstIDX is like FirstID, but panics if an error occurs.
+func (tq *TeamQuery) FirstIDX(ctx context.Context) int {
+	id, err := tq.FirstID(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return id
+}
+
+// Only returns a single Team entity found by the query, ensuring it only returns one.
+// Returns a *NotSingularError when more than one Team entity is found.
+// Returns a *NotFoundError when no Team entities are found.
+func (tq *TeamQuery) Only(ctx context.Context) (*Team, error) {
+	nodes, err := tq.Limit(2).All(setContextOp(ctx, tq.ctx, "Only"))
+	if err != nil {
+		return nil, err
+	}
+	switch len(nodes) {
+	case 1:
+		return nodes[0], nil
+	case 0:
+		return nil, &NotFoundError{team.Label}
+	default:
+		return nil, &NotSingularError{team.Label}
+	}
+}
+
+// OnlyX is like Only, but panics if an error occurs.
+func (tq *TeamQuery) OnlyX(ctx context.Context) *Team {
+	node, err := tq.Only(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// OnlyID is like Only, but returns the only Team ID in the query.
+// Returns a *NotSingularError when more than one Team ID is found.
+// Returns a *NotFoundError when no entities are found.
+func (tq *TeamQuery) OnlyID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = tq.Limit(2).IDs(setContextOp(ctx, tq.ctx, "OnlyID")); err != nil {
+		return
+	}
+	switch len(ids) {
+	case 1:
+		id = ids[0]
+	case 0:
+		err = &NotFoundError{team.Label}
+	default:
+		err = &NotSingularError{team.Label}
+	}
+	return
+}
+
+// OnlyIDX is like OnlyID, but panics if an error occurs.
+func (tq *TeamQuery) OnlyIDX(ctx context.Context) int {
+	id, err := tq.OnlyID(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return id
+}
+
+// All executes the query and returns a list of Teams.
+func (tq *TeamQuery) All(ctx context.Context) ([]*Team, error) {
+	ctx = setContextOp(ctx, tq.ctx, "All")
+	if err := tq.prepareQuery(ctx); err != nil {
+		return nil, err
+	}
+	qr := querierAll[[]*Team, *TeamQuery]()
+	return withInterceptors[[]*Team](ctx, tq, qr, tq.inters)
+}
+
+// AllX is like All, but panics if an error occurs.
+func (tq *TeamQuery) AllX(ctx context.Context) []*Team {
+	nodes, err := tq.All(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return nodes
+}
+
+// IDs executes the query and returns a list of Team IDs.
+func (tq *TeamQuery) IDs(ctx context.Context) (ids []int, err error) {
+	if tq.ctx.Unique == nil && tq.path != nil {
+		tq.Unique(true)
+	}
+	ctx = setContextOp(ctx, tq.ctx, "IDs")
+	if err = tq.Select(team.FieldID).Scan(ctx, &ids); err != nil {
+		return nil, err
+	}
+	return ids, nil
+}
+
+// IDsX is like IDs, but panics if an error occurs.
+func (tq *TeamQuery) IDsX(ctx context.Context) []int {
+	ids, err := tq.IDs(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return ids
+}
+
+// Count returns the count of the given query.
+func (tq *TeamQuery) Count(ctx context.Context) (int, error) {
+	ctx = setContextOp(ctx, tq.ctx, "Count")
+	if err := tq.prepareQuery(ctx); err != nil {
+		return 0, err
+	}
+	return withInterceptors[int](ctx, tq, querierCount[*TeamQuery](), tq.inters)
+}
+
+// CountX is like Count, but panics if an error occurs.
+func (tq *TeamQuery) CountX(ctx context.Context) int {
+	count, err := tq.Count(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return count
+}
+
+// Exist returns true if the query has elements in the graph.
+func (tq *TeamQuery) Exist(ctx context.Context) (bool, error) {
+	ctx = setContextOp(ctx, tq.ctx, "Exist")
+	switch _, err := tq.FirstID(ctx); {
+	case IsNotFound(err):
+		return false, nil
+	case err != nil:
+		return false, fmt.Errorf("ent: check existence: %w", err)
+	default:
+		return true, nil
+	}
+}
+
+// ExistX is like Exist, but panics if an error occurs.
+func (tq *TeamQuery) ExistX(ctx context.Context) bool {
+	exist, err := tq.Exist(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return exist
+}
+
+// Clone returns a duplicate of the TeamQuery builder, including all associated steps. It can be
+// used to prepare common query builders and use them differently after the clone is made.
+func (tq *TeamQuery) Clone() *TeamQuery {
+	if tq == nil {
+		return nil
+	}
+	return &TeamQuery{
+		config:      tq.config,
+		ctx:         tq.ctx.Clone(),
+		order:       append([]team.OrderOption{}, tq.order...),
+		inters:      append([]Interceptor{}, tq.inters...),
+		predicates:  append([]predicate.Team{}, tq.predicates...),
+		withProject: tq.withProject.Clone(),
+		withUsers:   tq.withUsers.Clone(),
+		// clone intermediate query.
+		sql:  tq.sql.Clone(),
+		path: tq.path,
+	}
+}
+
+// WithProject tells the query-builder to eager-load the nodes that are connected to
+// the "project" edge. The optional arguments are used to configure the query builder of the edge.
+func (tq *TeamQuery) WithProject(opts ...func(*ProjectQuery)) *TeamQuery {
+	query := (&ProjectClient{config: tq.config}).Query()
+	for _, opt := range opts {
+		opt(query)
+	}
+	tq.withProject = query
+	return tq
+}
+
+// WithUsers tells the query-builder to eager-load the nodes that are connected to
+// the "users" edge. The optional arguments are used to configure the query builder of the edge.
+func (tq *TeamQuery) WithUsers(opts ...func(*UserQuery)) *TeamQuery {
+	query := (&UserClient{config: tq.config}).Query()
+	for _, opt := range opts {
+		opt(query)
+	}
+	tq.withUsers = query
+	return tq
+}
+
+// GroupBy is used to group vertices by one or more fields/columns.
+// It is often used with aggregate functions, like: count, max, mean, min, sum.
+//
+// Example:
+//
+//	var v []struct {
+//		Name string `json:"name,omitempty"`
+//		Count int `json:"count,omitempty"`
+//	}
+//
+//	client.Team.Query().
+//		GroupBy(team.FieldName).
+//		Aggregate(ent.Count()).
+//		Scan(ctx, &v)
+func (tq *TeamQuery) GroupBy(field string, fields ...string) *TeamGroupBy {
+	tq.ctx.Fields = append([]string{field}, fields...)
+	grbuild := &TeamGroupBy{build: tq}
+	grbuild.flds = &tq.ctx.Fields
+	grbuild.label = team.Label
+	grbuild.scan = grbuild.Scan
+	return grbuild
+}
+
+// Select allows the selection one or more fields/columns for the given query,
+// instead of selecting all fields in the entity.
+//
+// Example:
+//
+//	var v []struct {
+//		Name string `json:"name,omitempty"`
+//	}
+//
+//	client.Team.Query().
+//		Select(team.FieldName).
+//		Scan(ctx, &v)
+func (tq *TeamQuery) Select(fields ...string) *TeamSelect {
+	tq.ctx.Fields = append(tq.ctx.Fields, fields...)
+	sbuild := &TeamSelect{TeamQuery: tq}
+	sbuild.label = team.Label
+	sbuild.flds, sbuild.scan = &tq.ctx.Fields, sbuild.Scan
+	return sbuild
+}
+
+// Aggregate returns a TeamSelect configured with the given aggregations.
+func (tq *TeamQuery) Aggregate(fns ...AggregateFunc) *TeamSelect {
+	return tq.Select().Aggregate(fns...)
+}
+
+func (tq *TeamQuery) prepareQuery(ctx context.Context) error {
+	for _, inter := range tq.inters {
+		if inter == nil {
+			return fmt.Errorf("ent: uninitialized interceptor (forgotten import ent/runtime?)")
+		}
+		if trv, ok := inter.(Traverser); ok {
+			if err := trv.Traverse(ctx, tq); err != nil {
+				return err
+			}
+		}
+	}
+	for _, f := range tq.ctx.Fields {
+		if !team.ValidColumn(f) {
+			return &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
+		}
+	}
+	if tq.path != nil {
+		prev, err := tq.path(ctx)
+		if err != nil {
+			return err
+		}
+		tq.sql = prev
+	}
+	return nil
+}
+
+func (tq *TeamQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*Team, error) {
+	var (
+		nodes       = []*Team{}
+		_spec       = tq.querySpec()
+		loadedTypes = [2]bool{
+			tq.withProject != nil,
+			tq.withUsers != nil,
+		}
+	)
+	_spec.ScanValues = func(columns []string) ([]any, error) {
+		return (*Team).scanValues(nil, columns)
+	}
+	_spec.Assign = func(columns []string, values []any) error {
+		node := &Team{config: tq.config}
+		nodes = append(nodes, node)
+		node.Edges.loadedTypes = loadedTypes
+		return node.assignValues(columns, values)
+	}
+	for i := range hooks {
+		hooks[i](ctx, _spec)
+	}
+	if err := sqlgraph.QueryNodes(ctx, tq.driver, _spec); err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nodes, nil
+	}
+	if query := tq.withProject; query != nil {
+		if err := tq.loadProject(ctx, query, nodes,
+			func(n *Team) { n.Edges.Project = []*Project{} },
+			func(n *Team, e *Project) { n.Edges.Project = append(n.Edges.Project, e) }); err != nil {
+			return nil, err
+		}
+	}
+	if query := tq.withUsers; query != nil {
+		if err := tq.loadUsers(ctx, query, nodes,
+			func(n *Team) { n.Edges.Users = []*User{} },
+			func(n *Team, e *User) { n.Edges.Users = append(n.Edges.Users, e) }); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+func (tq *TeamQuery) loadProject(ctx context.Context, query *ProjectQuery, nodes []*Team, init func(*Team), assign func(*Team, *Project)) error {
+	fks := make([]driver.Value, 0, len(nodes))
+	nodeids := make(map[int]*Team)
+	for i := range nodes {
+		fks = append(fks, nodes[i].ID)
+		nodeids[nodes[i].ID] = nodes[i]
+		if init != nil {
+			init(nodes[i])
+		}
+	}
+	query.withFKs = true
+	query.Where(predicate.Project(func(s *sql.Selector) {
+		s.Where(sql.InValues(s.C(team.ProjectColumn), fks...))
+	}))
+	neighbors, err := query.All(ctx)
+	if err != nil {
+		return err
+	}
+	for _, n := range neighbors {
+		fk := n.team_project
+		if fk == nil {
+			return fmt.Errorf(`foreign-key "team_project" is nil for node %v`, n.ID)
+		}
+		node, ok := nodeids[*fk]
+		if !ok {
+			return fmt.Errorf(`unexpected referenced foreign-key "team_project" returned %v for node %v`, *fk, n.ID)
+		}
+		assign(node, n)
+	}
+	return nil
+}
+func (tq *TeamQuery) loadUsers(ctx context.Context, query *UserQuery, nodes []*Team, init func(*Team), assign func(*Team, *User)) error {
+	edgeIDs := make([]driver.Value, len(nodes))
+	byID := make(map[int]*Team)
+	nids := make(map[int]map[*Team]struct{})
+	for i, node := range nodes {
+		edgeIDs[i] = node.ID
+		byID[node.ID] = node
+		if init != nil {
+			init(node)
+		}
+	}
+	query.Where(func(s *sql.Selector) {
+		joinT := sql.Table(team.UsersTable)
+		s.Join(joinT).On(s.C(user.FieldID), joinT.C(team.UsersPrimaryKey[0]))
+		s.Where(sql.InValues(joinT.C(team.UsersPrimaryKey[1]), edgeIDs...))
+		columns := s.SelectedColumns()
+		s.Select(joinT.C(team.UsersPrimaryKey[1]))
+		s.AppendSelect(columns...)
+		s.SetDistinct(false)
+	})
+	if err := query.prepareQuery(ctx); err != nil {
+		return err
+	}
+	qr := QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
+		return query.sqlAll(ctx, func(_ context.Context, spec *sqlgraph.QuerySpec) {
+			assign := spec.Assign
+			values := spec.ScanValues
+			spec.ScanValues = func(columns []string) ([]any, error) {
+				values, err := values(columns[1:])
+				if err != nil {
+					return nil, err
+				}
+				return append([]any{new(sql.NullInt64)}, values...), nil
+			}
+			spec.Assign = func(columns []string, values []any) error {
+				outValue := int(values[0].(*sql.NullInt64).Int64)
+				inValue := int(values[1].(*sql.NullInt64).Int64)
+				if nids[inValue] == nil {
+					nids[inValue] = map[*Team]struct{}{byID[outValue]: {}}
+					return assign(columns[1:], values[1:])
+				}
+				nids[inValue][byID[outValue]] = struct{}{}
+				return nil
+			}
+		})
+	})
+	neighbors, err := withInterceptors[[]*User](ctx, query, qr, query.inters)
+	if err != nil {
+		return err
+	}
+	for _, n := range neighbors {
+		nodes, ok := nids[n.ID]
+		if !ok {
+			return fmt.Errorf(`unexpected "users" node returned %v`, n.ID)
+		}
+		for kn := range nodes {
+			assign(kn, n)
+		}
+	}
+	return nil
+}
+
+func (tq *TeamQuery) sqlCount(ctx context.Context) (int, error) {
+	_spec := tq.querySpec()
+	_spec.Node.Columns = tq.ctx.Fields
+	if len(tq.ctx.Fields) > 0 {
+		_spec.Unique = tq.ctx.Unique != nil && *tq.ctx.Unique
+	}
+	return sqlgraph.CountNodes(ctx, tq.driver, _spec)
+}
+
+func (tq *TeamQuery) querySpec() *sqlgraph.QuerySpec {
+	_spec := sqlgraph.NewQuerySpec(team.Table, team.Columns, sqlgraph.NewFieldSpec(team.FieldID, field.TypeInt))
+	_spec.From = tq.sql
+	if unique := tq.ctx.Unique; unique != nil {
+		_spec.Unique = *unique
+	} else if tq.path != nil {
+		_spec.Unique = true
+	}
+	if fields := tq.ctx.Fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, team.FieldID)
+		for i := range fields {
+			if fields[i] != team.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
+			}
+		}
+	}
+	if ps := tq.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if limit := tq.ctx.Limit; limit != nil {
+		_spec.Limit = *limit
+	}
+	if offset := tq.ctx.Offset; offset != nil {
+		_spec.Offset = *offset
+	}
+	if ps := tq.order; len(ps) > 0 {
+		_spec.Order = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	return _spec
+}
+
+func (tq *TeamQuery) sqlQuery(ctx context.Context) *sql.Selector {
+	builder := sql.Dialect(tq.driver.Dialect())
+	t1 := builder.Table(team.Table)
+	columns := tq.ctx.Fields
+	if len(columns) == 0 {
+		columns = team.Columns
+	}
+	selector := builder.Select(t1.Columns(columns...)...).From(t1)
+	if tq.sql != nil {
+		selector = tq.sql
+		selector.Select(selector.Columns(columns...)...)
+	}
+	if tq.ctx.Unique != nil && *tq.ctx.Unique {
+		selector.Distinct()
+	}
+	for _, p := range tq.predicates {
+		p(selector)
+	}
+	for _, p := range tq.order {
+		p(selector)
+	}
+	if offset := tq.ctx.Offset; offset != nil {
+		// limit is mandatory for offset clause. We start
+		// with default value, and override it below if needed.
+		selector.Offset(*offset).Limit(math.MaxInt32)
+	}
+	if limit := tq.ctx.Limit; limit != nil {
+		selector.Limit(*limit)
+	}
+	return selector
+}
+
+// TeamGroupBy is the group-by builder for Team entities.
+type TeamGroupBy struct {
+	selector
+	build *TeamQuery
+}
+
+// Aggregate adds the given aggregation functions to the group-by query.
+func (tgb *TeamGroupBy) Aggregate(fns ...AggregateFunc) *TeamGroupBy {
+	tgb.fns = append(tgb.fns, fns...)
+	return tgb
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (tgb *TeamGroupBy) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, tgb.build.ctx, "GroupBy")
+	if err := tgb.build.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*TeamQuery, *TeamGroupBy](ctx, tgb.build, tgb, tgb.build.inters, v)
+}
+
+func (tgb *TeamGroupBy) sqlScan(ctx context.Context, root *TeamQuery, v any) error {
+	selector := root.sqlQuery(ctx).Select()
+	aggregation := make([]string, 0, len(tgb.fns))
+	for _, fn := range tgb.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	if len(selector.SelectedColumns()) == 0 {
+		columns := make([]string, 0, len(*tgb.flds)+len(tgb.fns))
+		for _, f := range *tgb.flds {
+			columns = append(columns, selector.C(f))
+		}
+		columns = append(columns, aggregation...)
+		selector.Select(columns...)
+	}
+	selector.GroupBy(selector.Columns(*tgb.flds...)...)
+	if err := selector.Err(); err != nil {
+		return err
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := tgb.build.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}
+
+// TeamSelect is the builder for selecting fields of Team entities.
+type TeamSelect struct {
+	*TeamQuery
+	selector
+}
+
+// Aggregate adds the given aggregation functions to the selector query.
+func (ts *TeamSelect) Aggregate(fns ...AggregateFunc) *TeamSelect {
+	ts.fns = append(ts.fns, fns...)
+	return ts
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (ts *TeamSelect) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, ts.ctx, "Select")
+	if err := ts.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*TeamQuery, *TeamSelect](ctx, ts.TeamQuery, ts, ts.inters, v)
+}
+
+func (ts *TeamSelect) sqlScan(ctx context.Context, root *TeamQuery, v any) error {
+	selector := root.sqlQuery(ctx)
+	aggregation := make([]string, 0, len(ts.fns))
+	for _, fn := range ts.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	switch n := len(*ts.selector.flds); {
+	case n == 0 && len(aggregation) > 0:
+		selector.Select(aggregation...)
+	case n != 0 && len(aggregation) > 0:
+		selector.AppendSelect(aggregation...)
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := ts.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}
diff --git a/database/ent/team_update.go b/database/ent/team_update.go
new file mode 100644
index 0000000..cc73b63
--- /dev/null
+++ b/database/ent/team_update.go
@@ -0,0 +1,535 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"portfolio/database/ent/predicate"
+	"portfolio/database/ent/project"
+	"portfolio/database/ent/team"
+	"portfolio/database/ent/user"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// TeamUpdate is the builder for updating Team entities.
+type TeamUpdate struct {
+	config
+	hooks    []Hook
+	mutation *TeamMutation
+}
+
+// Where appends a list predicates to the TeamUpdate builder.
+func (tu *TeamUpdate) Where(ps ...predicate.Team) *TeamUpdate {
+	tu.mutation.Where(ps...)
+	return tu
+}
+
+// SetName sets the "name" field.
+func (tu *TeamUpdate) SetName(s string) *TeamUpdate {
+	tu.mutation.SetName(s)
+	return tu
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (tu *TeamUpdate) SetNillableName(s *string) *TeamUpdate {
+	if s != nil {
+		tu.SetName(*s)
+	}
+	return tu
+}
+
+// AddProjectIDs adds the "project" edge to the Project entity by IDs.
+func (tu *TeamUpdate) AddProjectIDs(ids ...int) *TeamUpdate {
+	tu.mutation.AddProjectIDs(ids...)
+	return tu
+}
+
+// AddProject adds the "project" edges to the Project entity.
+func (tu *TeamUpdate) AddProject(p ...*Project) *TeamUpdate {
+	ids := make([]int, len(p))
+	for i := range p {
+		ids[i] = p[i].ID
+	}
+	return tu.AddProjectIDs(ids...)
+}
+
+// AddUserIDs adds the "users" edge to the User entity by IDs.
+func (tu *TeamUpdate) AddUserIDs(ids ...int) *TeamUpdate {
+	tu.mutation.AddUserIDs(ids...)
+	return tu
+}
+
+// AddUsers adds the "users" edges to the User entity.
+func (tu *TeamUpdate) AddUsers(u ...*User) *TeamUpdate {
+	ids := make([]int, len(u))
+	for i := range u {
+		ids[i] = u[i].ID
+	}
+	return tu.AddUserIDs(ids...)
+}
+
+// Mutation returns the TeamMutation object of the builder.
+func (tu *TeamUpdate) Mutation() *TeamMutation {
+	return tu.mutation
+}
+
+// ClearProject clears all "project" edges to the Project entity.
+func (tu *TeamUpdate) ClearProject() *TeamUpdate {
+	tu.mutation.ClearProject()
+	return tu
+}
+
+// RemoveProjectIDs removes the "project" edge to Project entities by IDs.
+func (tu *TeamUpdate) RemoveProjectIDs(ids ...int) *TeamUpdate {
+	tu.mutation.RemoveProjectIDs(ids...)
+	return tu
+}
+
+// RemoveProject removes "project" edges to Project entities.
+func (tu *TeamUpdate) RemoveProject(p ...*Project) *TeamUpdate {
+	ids := make([]int, len(p))
+	for i := range p {
+		ids[i] = p[i].ID
+	}
+	return tu.RemoveProjectIDs(ids...)
+}
+
+// ClearUsers clears all "users" edges to the User entity.
+func (tu *TeamUpdate) ClearUsers() *TeamUpdate {
+	tu.mutation.ClearUsers()
+	return tu
+}
+
+// RemoveUserIDs removes the "users" edge to User entities by IDs.
+func (tu *TeamUpdate) RemoveUserIDs(ids ...int) *TeamUpdate {
+	tu.mutation.RemoveUserIDs(ids...)
+	return tu
+}
+
+// RemoveUsers removes "users" edges to User entities.
+func (tu *TeamUpdate) RemoveUsers(u ...*User) *TeamUpdate {
+	ids := make([]int, len(u))
+	for i := range u {
+		ids[i] = u[i].ID
+	}
+	return tu.RemoveUserIDs(ids...)
+}
+
+// Save executes the query and returns the number of nodes affected by the update operation.
+func (tu *TeamUpdate) Save(ctx context.Context) (int, error) {
+	return withHooks(ctx, tu.sqlSave, tu.mutation, tu.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (tu *TeamUpdate) SaveX(ctx context.Context) int {
+	affected, err := tu.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return affected
+}
+
+// Exec executes the query.
+func (tu *TeamUpdate) Exec(ctx context.Context) error {
+	_, err := tu.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (tu *TeamUpdate) ExecX(ctx context.Context) {
+	if err := tu.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+func (tu *TeamUpdate) sqlSave(ctx context.Context) (n int, err error) {
+	_spec := sqlgraph.NewUpdateSpec(team.Table, team.Columns, sqlgraph.NewFieldSpec(team.FieldID, field.TypeInt))
+	if ps := tu.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := tu.mutation.Name(); ok {
+		_spec.SetField(team.FieldName, field.TypeString, value)
+	}
+	if tu.mutation.ProjectCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.O2M,
+			Inverse: false,
+			Table:   team.ProjectTable,
+			Columns: []string{team.ProjectColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(project.FieldID, field.TypeInt),
+			},
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := tu.mutation.RemovedProjectIDs(); len(nodes) > 0 && !tu.mutation.ProjectCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.O2M,
+			Inverse: false,
+			Table:   team.ProjectTable,
+			Columns: []string{team.ProjectColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(project.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := tu.mutation.ProjectIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.O2M,
+			Inverse: false,
+			Table:   team.ProjectTable,
+			Columns: []string{team.ProjectColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(project.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Add = append(_spec.Edges.Add, edge)
+	}
+	if tu.mutation.UsersCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   team.UsersTable,
+			Columns: team.UsersPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
+			},
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := tu.mutation.RemovedUsersIDs(); len(nodes) > 0 && !tu.mutation.UsersCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   team.UsersTable,
+			Columns: team.UsersPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := tu.mutation.UsersIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   team.UsersTable,
+			Columns: team.UsersPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Add = append(_spec.Edges.Add, edge)
+	}
+	if n, err = sqlgraph.UpdateNodes(ctx, tu.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{team.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return 0, err
+	}
+	tu.mutation.done = true
+	return n, nil
+}
+
+// TeamUpdateOne is the builder for updating a single Team entity.
+type TeamUpdateOne struct {
+	config
+	fields   []string
+	hooks    []Hook
+	mutation *TeamMutation
+}
+
+// SetName sets the "name" field.
+func (tuo *TeamUpdateOne) SetName(s string) *TeamUpdateOne {
+	tuo.mutation.SetName(s)
+	return tuo
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (tuo *TeamUpdateOne) SetNillableName(s *string) *TeamUpdateOne {
+	if s != nil {
+		tuo.SetName(*s)
+	}
+	return tuo
+}
+
+// AddProjectIDs adds the "project" edge to the Project entity by IDs.
+func (tuo *TeamUpdateOne) AddProjectIDs(ids ...int) *TeamUpdateOne {
+	tuo.mutation.AddProjectIDs(ids...)
+	return tuo
+}
+
+// AddProject adds the "project" edges to the Project entity.
+func (tuo *TeamUpdateOne) AddProject(p ...*Project) *TeamUpdateOne {
+	ids := make([]int, len(p))
+	for i := range p {
+		ids[i] = p[i].ID
+	}
+	return tuo.AddProjectIDs(ids...)
+}
+
+// AddUserIDs adds the "users" edge to the User entity by IDs.
+func (tuo *TeamUpdateOne) AddUserIDs(ids ...int) *TeamUpdateOne {
+	tuo.mutation.AddUserIDs(ids...)
+	return tuo
+}
+
+// AddUsers adds the "users" edges to the User entity.
+func (tuo *TeamUpdateOne) AddUsers(u ...*User) *TeamUpdateOne {
+	ids := make([]int, len(u))
+	for i := range u {
+		ids[i] = u[i].ID
+	}
+	return tuo.AddUserIDs(ids...)
+}
+
+// Mutation returns the TeamMutation object of the builder.
+func (tuo *TeamUpdateOne) Mutation() *TeamMutation {
+	return tuo.mutation
+}
+
+// ClearProject clears all "project" edges to the Project entity.
+func (tuo *TeamUpdateOne) ClearProject() *TeamUpdateOne {
+	tuo.mutation.ClearProject()
+	return tuo
+}
+
+// RemoveProjectIDs removes the "project" edge to Project entities by IDs.
+func (tuo *TeamUpdateOne) RemoveProjectIDs(ids ...int) *TeamUpdateOne {
+	tuo.mutation.RemoveProjectIDs(ids...)
+	return tuo
+}
+
+// RemoveProject removes "project" edges to Project entities.
+func (tuo *TeamUpdateOne) RemoveProject(p ...*Project) *TeamUpdateOne {
+	ids := make([]int, len(p))
+	for i := range p {
+		ids[i] = p[i].ID
+	}
+	return tuo.RemoveProjectIDs(ids...)
+}
+
+// ClearUsers clears all "users" edges to the User entity.
+func (tuo *TeamUpdateOne) ClearUsers() *TeamUpdateOne {
+	tuo.mutation.ClearUsers()
+	return tuo
+}
+
+// RemoveUserIDs removes the "users" edge to User entities by IDs.
+func (tuo *TeamUpdateOne) RemoveUserIDs(ids ...int) *TeamUpdateOne {
+	tuo.mutation.RemoveUserIDs(ids...)
+	return tuo
+}
+
+// RemoveUsers removes "users" edges to User entities.
+func (tuo *TeamUpdateOne) RemoveUsers(u ...*User) *TeamUpdateOne {
+	ids := make([]int, len(u))
+	for i := range u {
+		ids[i] = u[i].ID
+	}
+	return tuo.RemoveUserIDs(ids...)
+}
+
+// Where appends a list predicates to the TeamUpdate builder.
+func (tuo *TeamUpdateOne) Where(ps ...predicate.Team) *TeamUpdateOne {
+	tuo.mutation.Where(ps...)
+	return tuo
+}
+
+// Select allows selecting one or more fields (columns) of the returned entity.
+// The default is selecting all fields defined in the entity schema.
+func (tuo *TeamUpdateOne) Select(field string, fields ...string) *TeamUpdateOne {
+	tuo.fields = append([]string{field}, fields...)
+	return tuo
+}
+
+// Save executes the query and returns the updated Team entity.
+func (tuo *TeamUpdateOne) Save(ctx context.Context) (*Team, error) {
+	return withHooks(ctx, tuo.sqlSave, tuo.mutation, tuo.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (tuo *TeamUpdateOne) SaveX(ctx context.Context) *Team {
+	node, err := tuo.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// Exec executes the query on the entity.
+func (tuo *TeamUpdateOne) Exec(ctx context.Context) error {
+	_, err := tuo.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (tuo *TeamUpdateOne) ExecX(ctx context.Context) {
+	if err := tuo.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+func (tuo *TeamUpdateOne) sqlSave(ctx context.Context) (_node *Team, err error) {
+	_spec := sqlgraph.NewUpdateSpec(team.Table, team.Columns, sqlgraph.NewFieldSpec(team.FieldID, field.TypeInt))
+	id, ok := tuo.mutation.ID()
+	if !ok {
+		return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "Team.id" for update`)}
+	}
+	_spec.Node.ID.Value = id
+	if fields := tuo.fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, team.FieldID)
+		for _, f := range fields {
+			if !team.ValidColumn(f) {
+				return nil, &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
+			}
+			if f != team.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, f)
+			}
+		}
+	}
+	if ps := tuo.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := tuo.mutation.Name(); ok {
+		_spec.SetField(team.FieldName, field.TypeString, value)
+	}
+	if tuo.mutation.ProjectCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.O2M,
+			Inverse: false,
+			Table:   team.ProjectTable,
+			Columns: []string{team.ProjectColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(project.FieldID, field.TypeInt),
+			},
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := tuo.mutation.RemovedProjectIDs(); len(nodes) > 0 && !tuo.mutation.ProjectCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.O2M,
+			Inverse: false,
+			Table:   team.ProjectTable,
+			Columns: []string{team.ProjectColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(project.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := tuo.mutation.ProjectIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.O2M,
+			Inverse: false,
+			Table:   team.ProjectTable,
+			Columns: []string{team.ProjectColumn},
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(project.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Add = append(_spec.Edges.Add, edge)
+	}
+	if tuo.mutation.UsersCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   team.UsersTable,
+			Columns: team.UsersPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
+			},
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := tuo.mutation.RemovedUsersIDs(); len(nodes) > 0 && !tuo.mutation.UsersCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   team.UsersTable,
+			Columns: team.UsersPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := tuo.mutation.UsersIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: true,
+			Table:   team.UsersTable,
+			Columns: team.UsersPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Add = append(_spec.Edges.Add, edge)
+	}
+	_node = &Team{config: tuo.config}
+	_spec.Assign = _node.assignValues
+	_spec.ScanValues = _node.scanValues
+	if err = sqlgraph.UpdateNode(ctx, tuo.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{team.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	tuo.mutation.done = true
+	return _node, nil
+}
diff --git a/database/ent/tx.go b/database/ent/tx.go
new file mode 100644
index 0000000..39c9bb8
--- /dev/null
+++ b/database/ent/tx.go
@@ -0,0 +1,216 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"sync"
+
+	"entgo.io/ent/dialect"
+)
+
+// Tx is a transactional client that is created by calling Client.Tx().
+type Tx struct {
+	config
+	// Project is the client for interacting with the Project builders.
+	Project *ProjectClient
+	// Team is the client for interacting with the Team builders.
+	Team *TeamClient
+	// User is the client for interacting with the User builders.
+	User *UserClient
+
+	// lazily loaded.
+	client     *Client
+	clientOnce sync.Once
+	// ctx lives for the life of the transaction. It is
+	// the same context used by the underlying connection.
+	ctx context.Context
+}
+
+type (
+	// Committer is the interface that wraps the Commit method.
+	Committer interface {
+		Commit(context.Context, *Tx) error
+	}
+
+	// The CommitFunc type is an adapter to allow the use of ordinary
+	// function as a Committer. If f is a function with the appropriate
+	// signature, CommitFunc(f) is a Committer that calls f.
+	CommitFunc func(context.Context, *Tx) error
+
+	// CommitHook defines the "commit middleware". A function that gets a Committer
+	// and returns a Committer. For example:
+	//
+	//	hook := func(next ent.Committer) ent.Committer {
+	//		return ent.CommitFunc(func(ctx context.Context, tx *ent.Tx) error {
+	//			// Do some stuff before.
+	//			if err := next.Commit(ctx, tx); err != nil {
+	//				return err
+	//			}
+	//			// Do some stuff after.
+	//			return nil
+	//		})
+	//	}
+	//
+	CommitHook func(Committer) Committer
+)
+
+// Commit calls f(ctx, m).
+func (f CommitFunc) Commit(ctx context.Context, tx *Tx) error {
+	return f(ctx, tx)
+}
+
+// Commit commits the transaction.
+func (tx *Tx) Commit() error {
+	txDriver := tx.config.driver.(*txDriver)
+	var fn Committer = CommitFunc(func(context.Context, *Tx) error {
+		return txDriver.tx.Commit()
+	})
+	txDriver.mu.Lock()
+	hooks := append([]CommitHook(nil), txDriver.onCommit...)
+	txDriver.mu.Unlock()
+	for i := len(hooks) - 1; i >= 0; i-- {
+		fn = hooks[i](fn)
+	}
+	return fn.Commit(tx.ctx, tx)
+}
+
+// OnCommit adds a hook to call on commit.
+func (tx *Tx) OnCommit(f CommitHook) {
+	txDriver := tx.config.driver.(*txDriver)
+	txDriver.mu.Lock()
+	txDriver.onCommit = append(txDriver.onCommit, f)
+	txDriver.mu.Unlock()
+}
+
+type (
+	// Rollbacker is the interface that wraps the Rollback method.
+	Rollbacker interface {
+		Rollback(context.Context, *Tx) error
+	}
+
+	// The RollbackFunc type is an adapter to allow the use of ordinary
+	// function as a Rollbacker. If f is a function with the appropriate
+	// signature, RollbackFunc(f) is a Rollbacker that calls f.
+	RollbackFunc func(context.Context, *Tx) error
+
+	// RollbackHook defines the "rollback middleware". A function that gets a Rollbacker
+	// and returns a Rollbacker. For example:
+	//
+	//	hook := func(next ent.Rollbacker) ent.Rollbacker {
+	//		return ent.RollbackFunc(func(ctx context.Context, tx *ent.Tx) error {
+	//			// Do some stuff before.
+	//			if err := next.Rollback(ctx, tx); err != nil {
+	//				return err
+	//			}
+	//			// Do some stuff after.
+	//			return nil
+	//		})
+	//	}
+	//
+	RollbackHook func(Rollbacker) Rollbacker
+)
+
+// Rollback calls f(ctx, m).
+func (f RollbackFunc) Rollback(ctx context.Context, tx *Tx) error {
+	return f(ctx, tx)
+}
+
+// Rollback rollbacks the transaction.
+func (tx *Tx) Rollback() error {
+	txDriver := tx.config.driver.(*txDriver)
+	var fn Rollbacker = RollbackFunc(func(context.Context, *Tx) error {
+		return txDriver.tx.Rollback()
+	})
+	txDriver.mu.Lock()
+	hooks := append([]RollbackHook(nil), txDriver.onRollback...)
+	txDriver.mu.Unlock()
+	for i := len(hooks) - 1; i >= 0; i-- {
+		fn = hooks[i](fn)
+	}
+	return fn.Rollback(tx.ctx, tx)
+}
+
+// OnRollback adds a hook to call on rollback.
+func (tx *Tx) OnRollback(f RollbackHook) {
+	txDriver := tx.config.driver.(*txDriver)
+	txDriver.mu.Lock()
+	txDriver.onRollback = append(txDriver.onRollback, f)
+	txDriver.mu.Unlock()
+}
+
+// Client returns a Client that binds to current transaction.
+func (tx *Tx) Client() *Client {
+	tx.clientOnce.Do(func() {
+		tx.client = &Client{config: tx.config}
+		tx.client.init()
+	})
+	return tx.client
+}
+
+func (tx *Tx) init() {
+	tx.Project = NewProjectClient(tx.config)
+	tx.Team = NewTeamClient(tx.config)
+	tx.User = NewUserClient(tx.config)
+}
+
+// txDriver wraps the given dialect.Tx with a nop dialect.Driver implementation.
+// The idea is to support transactions without adding any extra code to the builders.
+// When a builder calls to driver.Tx(), it gets the same dialect.Tx instance.
+// Commit and Rollback are nop for the internal builders and the user must call one
+// of them in order to commit or rollback the transaction.
+//
+// If a closed transaction is embedded in one of the generated entities, and the entity
+// applies a query, for example: Project.QueryXXX(), the query will be executed
+// through the driver which created this transaction.
+//
+// Note that txDriver is not goroutine safe.
+type txDriver struct {
+	// the driver we started the transaction from.
+	drv dialect.Driver
+	// tx is the underlying transaction.
+	tx dialect.Tx
+	// completion hooks.
+	mu         sync.Mutex
+	onCommit   []CommitHook
+	onRollback []RollbackHook
+}
+
+// newTx creates a new transactional driver.
+func newTx(ctx context.Context, drv dialect.Driver) (*txDriver, error) {
+	tx, err := drv.Tx(ctx)
+	if err != nil {
+		return nil, err
+	}
+	return &txDriver{tx: tx, drv: drv}, nil
+}
+
+// Tx returns the transaction wrapper (txDriver) to avoid Commit or Rollback calls
+// from the internal builders. Should be called only by the internal builders.
+func (tx *txDriver) Tx(context.Context) (dialect.Tx, error) { return tx, nil }
+
+// Dialect returns the dialect of the driver we started the transaction from.
+func (tx *txDriver) Dialect() string { return tx.drv.Dialect() }
+
+// Close is a nop close.
+func (*txDriver) Close() error { return nil }
+
+// Commit is a nop commit for the internal builders.
+// User must call `Tx.Commit` in order to commit the transaction.
+func (*txDriver) Commit() error { return nil }
+
+// Rollback is a nop rollback for the internal builders.
+// User must call `Tx.Rollback` in order to rollback the transaction.
+func (*txDriver) Rollback() error { return nil }
+
+// Exec calls tx.Exec.
+func (tx *txDriver) Exec(ctx context.Context, query string, args, v any) error {
+	return tx.tx.Exec(ctx, query, args, v)
+}
+
+// Query calls tx.Query.
+func (tx *txDriver) Query(ctx context.Context, query string, args, v any) error {
+	return tx.tx.Query(ctx, query, args, v)
+}
+
+var _ dialect.Driver = (*txDriver)(nil)
diff --git a/database/ent/user.go b/database/ent/user.go
new file mode 100644
index 0000000..0d1158c
--- /dev/null
+++ b/database/ent/user.go
@@ -0,0 +1,140 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"fmt"
+	"portfolio/database/ent/user"
+	"strings"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/sql"
+)
+
+// User is the model entity for the User schema.
+type User struct {
+	config `json:"-"`
+	// ID of the ent.
+	ID int `json:"id,omitempty"`
+	// Name holds the value of the "name" field.
+	Name string `json:"name,omitempty"`
+	// Role holds the value of the "role" field.
+	Role user.Role `json:"role,omitempty"`
+	// Edges holds the relations/edges for other nodes in the graph.
+	// The values are being populated by the UserQuery when eager-loading is set.
+	Edges        UserEdges `json:"edges"`
+	selectValues sql.SelectValues
+}
+
+// UserEdges holds the relations/edges for other nodes in the graph.
+type UserEdges struct {
+	// Teams holds the value of the teams edge.
+	Teams []*Team `json:"teams,omitempty"`
+	// loadedTypes holds the information for reporting if a
+	// type was loaded (or requested) in eager-loading or not.
+	loadedTypes [1]bool
+}
+
+// TeamsOrErr returns the Teams value or an error if the edge
+// was not loaded in eager-loading.
+func (e UserEdges) TeamsOrErr() ([]*Team, error) {
+	if e.loadedTypes[0] {
+		return e.Teams, nil
+	}
+	return nil, &NotLoadedError{edge: "teams"}
+}
+
+// scanValues returns the types for scanning values from sql.Rows.
+func (*User) scanValues(columns []string) ([]any, error) {
+	values := make([]any, len(columns))
+	for i := range columns {
+		switch columns[i] {
+		case user.FieldID:
+			values[i] = new(sql.NullInt64)
+		case user.FieldName, user.FieldRole:
+			values[i] = new(sql.NullString)
+		default:
+			values[i] = new(sql.UnknownType)
+		}
+	}
+	return values, nil
+}
+
+// assignValues assigns the values that were returned from sql.Rows (after scanning)
+// to the User fields.
+func (u *User) assignValues(columns []string, values []any) error {
+	if m, n := len(values), len(columns); m < n {
+		return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
+	}
+	for i := range columns {
+		switch columns[i] {
+		case user.FieldID:
+			value, ok := values[i].(*sql.NullInt64)
+			if !ok {
+				return fmt.Errorf("unexpected type %T for field id", value)
+			}
+			u.ID = int(value.Int64)
+		case user.FieldName:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field name", values[i])
+			} else if value.Valid {
+				u.Name = value.String
+			}
+		case user.FieldRole:
+			if value, ok := values[i].(*sql.NullString); !ok {
+				return fmt.Errorf("unexpected type %T for field role", values[i])
+			} else if value.Valid {
+				u.Role = user.Role(value.String)
+			}
+		default:
+			u.selectValues.Set(columns[i], values[i])
+		}
+	}
+	return nil
+}
+
+// Value returns the ent.Value that was dynamically selected and assigned to the User.
+// This includes values selected through modifiers, order, etc.
+func (u *User) Value(name string) (ent.Value, error) {
+	return u.selectValues.Get(name)
+}
+
+// QueryTeams queries the "teams" edge of the User entity.
+func (u *User) QueryTeams() *TeamQuery {
+	return NewUserClient(u.config).QueryTeams(u)
+}
+
+// Update returns a builder for updating this User.
+// Note that you need to call User.Unwrap() before calling this method if this User
+// was returned from a transaction, and the transaction was committed or rolled back.
+func (u *User) Update() *UserUpdateOne {
+	return NewUserClient(u.config).UpdateOne(u)
+}
+
+// Unwrap unwraps the User entity that was returned from a transaction after it was closed,
+// so that all future queries will be executed through the driver which created the transaction.
+func (u *User) Unwrap() *User {
+	_tx, ok := u.config.driver.(*txDriver)
+	if !ok {
+		panic("ent: User is not a transactional entity")
+	}
+	u.config.driver = _tx.drv
+	return u
+}
+
+// String implements the fmt.Stringer.
+func (u *User) String() string {
+	var builder strings.Builder
+	builder.WriteString("User(")
+	builder.WriteString(fmt.Sprintf("id=%v, ", u.ID))
+	builder.WriteString("name=")
+	builder.WriteString(u.Name)
+	builder.WriteString(", ")
+	builder.WriteString("role=")
+	builder.WriteString(fmt.Sprintf("%v", u.Role))
+	builder.WriteByte(')')
+	return builder.String()
+}
+
+// Users is a parsable slice of User.
+type Users []*User
diff --git a/database/ent/user/user.go b/database/ent/user/user.go
new file mode 100644
index 0000000..4499533
--- /dev/null
+++ b/database/ent/user/user.go
@@ -0,0 +1,121 @@
+// Code generated by ent, DO NOT EDIT.
+
+package user
+
+import (
+	"fmt"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+const (
+	// Label holds the string label denoting the user type in the database.
+	Label = "user"
+	// FieldID holds the string denoting the id field in the database.
+	FieldID = "id"
+	// FieldName holds the string denoting the name field in the database.
+	FieldName = "name"
+	// FieldRole holds the string denoting the role field in the database.
+	FieldRole = "role"
+	// EdgeTeams holds the string denoting the teams edge name in mutations.
+	EdgeTeams = "teams"
+	// Table holds the table name of the user in the database.
+	Table = "users"
+	// TeamsTable is the table that holds the teams relation/edge. The primary key declared below.
+	TeamsTable = "user_teams"
+	// TeamsInverseTable is the table name for the Team entity.
+	// It exists in this package in order to avoid circular dependency with the "team" package.
+	TeamsInverseTable = "teams"
+)
+
+// Columns holds all SQL columns for user fields.
+var Columns = []string{
+	FieldID,
+	FieldName,
+	FieldRole,
+}
+
+var (
+	// TeamsPrimaryKey and TeamsColumn2 are the table columns denoting the
+	// primary key for the teams relation (M2M).
+	TeamsPrimaryKey = []string{"user_id", "team_id"}
+)
+
+// ValidColumn reports if the column name is valid (part of the table columns).
+func ValidColumn(column string) bool {
+	for i := range Columns {
+		if column == Columns[i] {
+			return true
+		}
+	}
+	return false
+}
+
+var (
+	// DefaultName holds the default value on creation for the "name" field.
+	DefaultName string
+)
+
+// Role defines the type for the "role" enum field.
+type Role string
+
+// Role values.
+const (
+	RoleAdmin   Role = "admin"
+	RoleUser    Role = "user"
+	RoleVisitor Role = "visitor"
+)
+
+func (r Role) String() string {
+	return string(r)
+}
+
+// RoleValidator is a validator for the "role" field enum values. It is called by the builders before save.
+func RoleValidator(r Role) error {
+	switch r {
+	case RoleAdmin, RoleUser, RoleVisitor:
+		return nil
+	default:
+		return fmt.Errorf("user: invalid enum value for role field: %q", r)
+	}
+}
+
+// OrderOption defines the ordering options for the User queries.
+type OrderOption func(*sql.Selector)
+
+// ByID orders the results by the id field.
+func ByID(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldID, opts...).ToFunc()
+}
+
+// ByName orders the results by the name field.
+func ByName(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldName, opts...).ToFunc()
+}
+
+// ByRole orders the results by the role field.
+func ByRole(opts ...sql.OrderTermOption) OrderOption {
+	return sql.OrderByField(FieldRole, opts...).ToFunc()
+}
+
+// ByTeamsCount orders the results by teams count.
+func ByTeamsCount(opts ...sql.OrderTermOption) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborsCount(s, newTeamsStep(), opts...)
+	}
+}
+
+// ByTeams orders the results by teams terms.
+func ByTeams(term sql.OrderTerm, terms ...sql.OrderTerm) OrderOption {
+	return func(s *sql.Selector) {
+		sqlgraph.OrderByNeighborTerms(s, newTeamsStep(), append([]sql.OrderTerm{term}, terms...)...)
+	}
+}
+func newTeamsStep() *sqlgraph.Step {
+	return sqlgraph.NewStep(
+		sqlgraph.From(Table, FieldID),
+		sqlgraph.To(TeamsInverseTable, FieldID),
+		sqlgraph.Edge(sqlgraph.M2M, false, TeamsTable, TeamsPrimaryKey...),
+	)
+}
diff --git a/database/ent/user/where.go b/database/ent/user/where.go
new file mode 100644
index 0000000..e15d0c2
--- /dev/null
+++ b/database/ent/user/where.go
@@ -0,0 +1,183 @@
+// Code generated by ent, DO NOT EDIT.
+
+package user
+
+import (
+	"portfolio/database/ent/predicate"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+)
+
+// ID filters vertices based on their ID field.
+func ID(id int) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldID, id))
+}
+
+// IDEQ applies the EQ predicate on the ID field.
+func IDEQ(id int) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldID, id))
+}
+
+// IDNEQ applies the NEQ predicate on the ID field.
+func IDNEQ(id int) predicate.User {
+	return predicate.User(sql.FieldNEQ(FieldID, id))
+}
+
+// IDIn applies the In predicate on the ID field.
+func IDIn(ids ...int) predicate.User {
+	return predicate.User(sql.FieldIn(FieldID, ids...))
+}
+
+// IDNotIn applies the NotIn predicate on the ID field.
+func IDNotIn(ids ...int) predicate.User {
+	return predicate.User(sql.FieldNotIn(FieldID, ids...))
+}
+
+// IDGT applies the GT predicate on the ID field.
+func IDGT(id int) predicate.User {
+	return predicate.User(sql.FieldGT(FieldID, id))
+}
+
+// IDGTE applies the GTE predicate on the ID field.
+func IDGTE(id int) predicate.User {
+	return predicate.User(sql.FieldGTE(FieldID, id))
+}
+
+// IDLT applies the LT predicate on the ID field.
+func IDLT(id int) predicate.User {
+	return predicate.User(sql.FieldLT(FieldID, id))
+}
+
+// IDLTE applies the LTE predicate on the ID field.
+func IDLTE(id int) predicate.User {
+	return predicate.User(sql.FieldLTE(FieldID, id))
+}
+
+// Name applies equality check predicate on the "name" field. It's identical to NameEQ.
+func Name(v string) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldName, v))
+}
+
+// NameEQ applies the EQ predicate on the "name" field.
+func NameEQ(v string) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldName, v))
+}
+
+// NameNEQ applies the NEQ predicate on the "name" field.
+func NameNEQ(v string) predicate.User {
+	return predicate.User(sql.FieldNEQ(FieldName, v))
+}
+
+// NameIn applies the In predicate on the "name" field.
+func NameIn(vs ...string) predicate.User {
+	return predicate.User(sql.FieldIn(FieldName, vs...))
+}
+
+// NameNotIn applies the NotIn predicate on the "name" field.
+func NameNotIn(vs ...string) predicate.User {
+	return predicate.User(sql.FieldNotIn(FieldName, vs...))
+}
+
+// NameGT applies the GT predicate on the "name" field.
+func NameGT(v string) predicate.User {
+	return predicate.User(sql.FieldGT(FieldName, v))
+}
+
+// NameGTE applies the GTE predicate on the "name" field.
+func NameGTE(v string) predicate.User {
+	return predicate.User(sql.FieldGTE(FieldName, v))
+}
+
+// NameLT applies the LT predicate on the "name" field.
+func NameLT(v string) predicate.User {
+	return predicate.User(sql.FieldLT(FieldName, v))
+}
+
+// NameLTE applies the LTE predicate on the "name" field.
+func NameLTE(v string) predicate.User {
+	return predicate.User(sql.FieldLTE(FieldName, v))
+}
+
+// NameContains applies the Contains predicate on the "name" field.
+func NameContains(v string) predicate.User {
+	return predicate.User(sql.FieldContains(FieldName, v))
+}
+
+// NameHasPrefix applies the HasPrefix predicate on the "name" field.
+func NameHasPrefix(v string) predicate.User {
+	return predicate.User(sql.FieldHasPrefix(FieldName, v))
+}
+
+// NameHasSuffix applies the HasSuffix predicate on the "name" field.
+func NameHasSuffix(v string) predicate.User {
+	return predicate.User(sql.FieldHasSuffix(FieldName, v))
+}
+
+// NameEqualFold applies the EqualFold predicate on the "name" field.
+func NameEqualFold(v string) predicate.User {
+	return predicate.User(sql.FieldEqualFold(FieldName, v))
+}
+
+// NameContainsFold applies the ContainsFold predicate on the "name" field.
+func NameContainsFold(v string) predicate.User {
+	return predicate.User(sql.FieldContainsFold(FieldName, v))
+}
+
+// RoleEQ applies the EQ predicate on the "role" field.
+func RoleEQ(v Role) predicate.User {
+	return predicate.User(sql.FieldEQ(FieldRole, v))
+}
+
+// RoleNEQ applies the NEQ predicate on the "role" field.
+func RoleNEQ(v Role) predicate.User {
+	return predicate.User(sql.FieldNEQ(FieldRole, v))
+}
+
+// RoleIn applies the In predicate on the "role" field.
+func RoleIn(vs ...Role) predicate.User {
+	return predicate.User(sql.FieldIn(FieldRole, vs...))
+}
+
+// RoleNotIn applies the NotIn predicate on the "role" field.
+func RoleNotIn(vs ...Role) predicate.User {
+	return predicate.User(sql.FieldNotIn(FieldRole, vs...))
+}
+
+// HasTeams applies the HasEdge predicate on the "teams" edge.
+func HasTeams() predicate.User {
+	return predicate.User(func(s *sql.Selector) {
+		step := sqlgraph.NewStep(
+			sqlgraph.From(Table, FieldID),
+			sqlgraph.Edge(sqlgraph.M2M, false, TeamsTable, TeamsPrimaryKey...),
+		)
+		sqlgraph.HasNeighbors(s, step)
+	})
+}
+
+// HasTeamsWith applies the HasEdge predicate on the "teams" edge with a given conditions (other predicates).
+func HasTeamsWith(preds ...predicate.Team) predicate.User {
+	return predicate.User(func(s *sql.Selector) {
+		step := newTeamsStep()
+		sqlgraph.HasNeighborsWith(s, step, func(s *sql.Selector) {
+			for _, p := range preds {
+				p(s)
+			}
+		})
+	})
+}
+
+// And groups predicates with the AND operator between them.
+func And(predicates ...predicate.User) predicate.User {
+	return predicate.User(sql.AndPredicates(predicates...))
+}
+
+// Or groups predicates with the OR operator between them.
+func Or(predicates ...predicate.User) predicate.User {
+	return predicate.User(sql.OrPredicates(predicates...))
+}
+
+// Not applies the not operator on the given predicate.
+func Not(p predicate.User) predicate.User {
+	return predicate.User(sql.NotPredicates(p))
+}
diff --git a/database/ent/user_create.go b/database/ent/user_create.go
new file mode 100644
index 0000000..3a80d55
--- /dev/null
+++ b/database/ent/user_create.go
@@ -0,0 +1,251 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"portfolio/database/ent/team"
+	"portfolio/database/ent/user"
+
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// UserCreate is the builder for creating a User entity.
+type UserCreate struct {
+	config
+	mutation *UserMutation
+	hooks    []Hook
+}
+
+// SetName sets the "name" field.
+func (uc *UserCreate) SetName(s string) *UserCreate {
+	uc.mutation.SetName(s)
+	return uc
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (uc *UserCreate) SetNillableName(s *string) *UserCreate {
+	if s != nil {
+		uc.SetName(*s)
+	}
+	return uc
+}
+
+// SetRole sets the "role" field.
+func (uc *UserCreate) SetRole(u user.Role) *UserCreate {
+	uc.mutation.SetRole(u)
+	return uc
+}
+
+// AddTeamIDs adds the "teams" edge to the Team entity by IDs.
+func (uc *UserCreate) AddTeamIDs(ids ...int) *UserCreate {
+	uc.mutation.AddTeamIDs(ids...)
+	return uc
+}
+
+// AddTeams adds the "teams" edges to the Team entity.
+func (uc *UserCreate) AddTeams(t ...*Team) *UserCreate {
+	ids := make([]int, len(t))
+	for i := range t {
+		ids[i] = t[i].ID
+	}
+	return uc.AddTeamIDs(ids...)
+}
+
+// Mutation returns the UserMutation object of the builder.
+func (uc *UserCreate) Mutation() *UserMutation {
+	return uc.mutation
+}
+
+// Save creates the User in the database.
+func (uc *UserCreate) Save(ctx context.Context) (*User, error) {
+	uc.defaults()
+	return withHooks(ctx, uc.sqlSave, uc.mutation, uc.hooks)
+}
+
+// SaveX calls Save and panics if Save returns an error.
+func (uc *UserCreate) SaveX(ctx context.Context) *User {
+	v, err := uc.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (uc *UserCreate) Exec(ctx context.Context) error {
+	_, err := uc.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (uc *UserCreate) ExecX(ctx context.Context) {
+	if err := uc.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// defaults sets the default values of the builder before save.
+func (uc *UserCreate) defaults() {
+	if _, ok := uc.mutation.Name(); !ok {
+		v := user.DefaultName
+		uc.mutation.SetName(v)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (uc *UserCreate) check() error {
+	if _, ok := uc.mutation.Name(); !ok {
+		return &ValidationError{Name: "name", err: errors.New(`ent: missing required field "User.name"`)}
+	}
+	if _, ok := uc.mutation.Role(); !ok {
+		return &ValidationError{Name: "role", err: errors.New(`ent: missing required field "User.role"`)}
+	}
+	if v, ok := uc.mutation.Role(); ok {
+		if err := user.RoleValidator(v); err != nil {
+			return &ValidationError{Name: "role", err: fmt.Errorf(`ent: validator failed for field "User.role": %w`, err)}
+		}
+	}
+	return nil
+}
+
+func (uc *UserCreate) sqlSave(ctx context.Context) (*User, error) {
+	if err := uc.check(); err != nil {
+		return nil, err
+	}
+	_node, _spec := uc.createSpec()
+	if err := sqlgraph.CreateNode(ctx, uc.driver, _spec); err != nil {
+		if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	id := _spec.ID.Value.(int64)
+	_node.ID = int(id)
+	uc.mutation.id = &_node.ID
+	uc.mutation.done = true
+	return _node, nil
+}
+
+func (uc *UserCreate) createSpec() (*User, *sqlgraph.CreateSpec) {
+	var (
+		_node = &User{config: uc.config}
+		_spec = sqlgraph.NewCreateSpec(user.Table, sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt))
+	)
+	if value, ok := uc.mutation.Name(); ok {
+		_spec.SetField(user.FieldName, field.TypeString, value)
+		_node.Name = value
+	}
+	if value, ok := uc.mutation.Role(); ok {
+		_spec.SetField(user.FieldRole, field.TypeEnum, value)
+		_node.Role = value
+	}
+	if nodes := uc.mutation.TeamsIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   user.TeamsTable,
+			Columns: user.TeamsPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(team.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges = append(_spec.Edges, edge)
+	}
+	return _node, _spec
+}
+
+// UserCreateBulk is the builder for creating many User entities in bulk.
+type UserCreateBulk struct {
+	config
+	err      error
+	builders []*UserCreate
+}
+
+// Save creates the User entities in the database.
+func (ucb *UserCreateBulk) Save(ctx context.Context) ([]*User, error) {
+	if ucb.err != nil {
+		return nil, ucb.err
+	}
+	specs := make([]*sqlgraph.CreateSpec, len(ucb.builders))
+	nodes := make([]*User, len(ucb.builders))
+	mutators := make([]Mutator, len(ucb.builders))
+	for i := range ucb.builders {
+		func(i int, root context.Context) {
+			builder := ucb.builders[i]
+			builder.defaults()
+			var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
+				mutation, ok := m.(*UserMutation)
+				if !ok {
+					return nil, fmt.Errorf("unexpected mutation type %T", m)
+				}
+				if err := builder.check(); err != nil {
+					return nil, err
+				}
+				builder.mutation = mutation
+				var err error
+				nodes[i], specs[i] = builder.createSpec()
+				if i < len(mutators)-1 {
+					_, err = mutators[i+1].Mutate(root, ucb.builders[i+1].mutation)
+				} else {
+					spec := &sqlgraph.BatchCreateSpec{Nodes: specs}
+					// Invoke the actual operation on the latest mutation in the chain.
+					if err = sqlgraph.BatchCreate(ctx, ucb.driver, spec); err != nil {
+						if sqlgraph.IsConstraintError(err) {
+							err = &ConstraintError{msg: err.Error(), wrap: err}
+						}
+					}
+				}
+				if err != nil {
+					return nil, err
+				}
+				mutation.id = &nodes[i].ID
+				if specs[i].ID.Value != nil {
+					id := specs[i].ID.Value.(int64)
+					nodes[i].ID = int(id)
+				}
+				mutation.done = true
+				return nodes[i], nil
+			})
+			for i := len(builder.hooks) - 1; i >= 0; i-- {
+				mut = builder.hooks[i](mut)
+			}
+			mutators[i] = mut
+		}(i, ctx)
+	}
+	if len(mutators) > 0 {
+		if _, err := mutators[0].Mutate(ctx, ucb.builders[0].mutation); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (ucb *UserCreateBulk) SaveX(ctx context.Context) []*User {
+	v, err := ucb.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
+// Exec executes the query.
+func (ucb *UserCreateBulk) Exec(ctx context.Context) error {
+	_, err := ucb.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (ucb *UserCreateBulk) ExecX(ctx context.Context) {
+	if err := ucb.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
diff --git a/database/ent/user_delete.go b/database/ent/user_delete.go
new file mode 100644
index 0000000..a9db6d2
--- /dev/null
+++ b/database/ent/user_delete.go
@@ -0,0 +1,88 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"portfolio/database/ent/predicate"
+	"portfolio/database/ent/user"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// UserDelete is the builder for deleting a User entity.
+type UserDelete struct {
+	config
+	hooks    []Hook
+	mutation *UserMutation
+}
+
+// Where appends a list predicates to the UserDelete builder.
+func (ud *UserDelete) Where(ps ...predicate.User) *UserDelete {
+	ud.mutation.Where(ps...)
+	return ud
+}
+
+// Exec executes the deletion query and returns how many vertices were deleted.
+func (ud *UserDelete) Exec(ctx context.Context) (int, error) {
+	return withHooks(ctx, ud.sqlExec, ud.mutation, ud.hooks)
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (ud *UserDelete) ExecX(ctx context.Context) int {
+	n, err := ud.Exec(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return n
+}
+
+func (ud *UserDelete) sqlExec(ctx context.Context) (int, error) {
+	_spec := sqlgraph.NewDeleteSpec(user.Table, sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt))
+	if ps := ud.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	affected, err := sqlgraph.DeleteNodes(ctx, ud.driver, _spec)
+	if err != nil && sqlgraph.IsConstraintError(err) {
+		err = &ConstraintError{msg: err.Error(), wrap: err}
+	}
+	ud.mutation.done = true
+	return affected, err
+}
+
+// UserDeleteOne is the builder for deleting a single User entity.
+type UserDeleteOne struct {
+	ud *UserDelete
+}
+
+// Where appends a list predicates to the UserDelete builder.
+func (udo *UserDeleteOne) Where(ps ...predicate.User) *UserDeleteOne {
+	udo.ud.mutation.Where(ps...)
+	return udo
+}
+
+// Exec executes the deletion query.
+func (udo *UserDeleteOne) Exec(ctx context.Context) error {
+	n, err := udo.ud.Exec(ctx)
+	switch {
+	case err != nil:
+		return err
+	case n == 0:
+		return &NotFoundError{user.Label}
+	default:
+		return nil
+	}
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (udo *UserDeleteOne) ExecX(ctx context.Context) {
+	if err := udo.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
diff --git a/database/ent/user_query.go b/database/ent/user_query.go
new file mode 100644
index 0000000..3c72800
--- /dev/null
+++ b/database/ent/user_query.go
@@ -0,0 +1,636 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"database/sql/driver"
+	"fmt"
+	"math"
+	"portfolio/database/ent/predicate"
+	"portfolio/database/ent/team"
+	"portfolio/database/ent/user"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// UserQuery is the builder for querying User entities.
+type UserQuery struct {
+	config
+	ctx        *QueryContext
+	order      []user.OrderOption
+	inters     []Interceptor
+	predicates []predicate.User
+	withTeams  *TeamQuery
+	// intermediate query (i.e. traversal path).
+	sql  *sql.Selector
+	path func(context.Context) (*sql.Selector, error)
+}
+
+// Where adds a new predicate for the UserQuery builder.
+func (uq *UserQuery) Where(ps ...predicate.User) *UserQuery {
+	uq.predicates = append(uq.predicates, ps...)
+	return uq
+}
+
+// Limit the number of records to be returned by this query.
+func (uq *UserQuery) Limit(limit int) *UserQuery {
+	uq.ctx.Limit = &limit
+	return uq
+}
+
+// Offset to start from.
+func (uq *UserQuery) Offset(offset int) *UserQuery {
+	uq.ctx.Offset = &offset
+	return uq
+}
+
+// Unique configures the query builder to filter duplicate records on query.
+// By default, unique is set to true, and can be disabled using this method.
+func (uq *UserQuery) Unique(unique bool) *UserQuery {
+	uq.ctx.Unique = &unique
+	return uq
+}
+
+// Order specifies how the records should be ordered.
+func (uq *UserQuery) Order(o ...user.OrderOption) *UserQuery {
+	uq.order = append(uq.order, o...)
+	return uq
+}
+
+// QueryTeams chains the current query on the "teams" edge.
+func (uq *UserQuery) QueryTeams() *TeamQuery {
+	query := (&TeamClient{config: uq.config}).Query()
+	query.path = func(ctx context.Context) (fromU *sql.Selector, err error) {
+		if err := uq.prepareQuery(ctx); err != nil {
+			return nil, err
+		}
+		selector := uq.sqlQuery(ctx)
+		if err := selector.Err(); err != nil {
+			return nil, err
+		}
+		step := sqlgraph.NewStep(
+			sqlgraph.From(user.Table, user.FieldID, selector),
+			sqlgraph.To(team.Table, team.FieldID),
+			sqlgraph.Edge(sqlgraph.M2M, false, user.TeamsTable, user.TeamsPrimaryKey...),
+		)
+		fromU = sqlgraph.SetNeighbors(uq.driver.Dialect(), step)
+		return fromU, nil
+	}
+	return query
+}
+
+// First returns the first User entity from the query.
+// Returns a *NotFoundError when no User was found.
+func (uq *UserQuery) First(ctx context.Context) (*User, error) {
+	nodes, err := uq.Limit(1).All(setContextOp(ctx, uq.ctx, "First"))
+	if err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nil, &NotFoundError{user.Label}
+	}
+	return nodes[0], nil
+}
+
+// FirstX is like First, but panics if an error occurs.
+func (uq *UserQuery) FirstX(ctx context.Context) *User {
+	node, err := uq.First(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return node
+}
+
+// FirstID returns the first User ID from the query.
+// Returns a *NotFoundError when no User ID was found.
+func (uq *UserQuery) FirstID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = uq.Limit(1).IDs(setContextOp(ctx, uq.ctx, "FirstID")); err != nil {
+		return
+	}
+	if len(ids) == 0 {
+		err = &NotFoundError{user.Label}
+		return
+	}
+	return ids[0], nil
+}
+
+// FirstIDX is like FirstID, but panics if an error occurs.
+func (uq *UserQuery) FirstIDX(ctx context.Context) int {
+	id, err := uq.FirstID(ctx)
+	if err != nil && !IsNotFound(err) {
+		panic(err)
+	}
+	return id
+}
+
+// Only returns a single User entity found by the query, ensuring it only returns one.
+// Returns a *NotSingularError when more than one User entity is found.
+// Returns a *NotFoundError when no User entities are found.
+func (uq *UserQuery) Only(ctx context.Context) (*User, error) {
+	nodes, err := uq.Limit(2).All(setContextOp(ctx, uq.ctx, "Only"))
+	if err != nil {
+		return nil, err
+	}
+	switch len(nodes) {
+	case 1:
+		return nodes[0], nil
+	case 0:
+		return nil, &NotFoundError{user.Label}
+	default:
+		return nil, &NotSingularError{user.Label}
+	}
+}
+
+// OnlyX is like Only, but panics if an error occurs.
+func (uq *UserQuery) OnlyX(ctx context.Context) *User {
+	node, err := uq.Only(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// OnlyID is like Only, but returns the only User ID in the query.
+// Returns a *NotSingularError when more than one User ID is found.
+// Returns a *NotFoundError when no entities are found.
+func (uq *UserQuery) OnlyID(ctx context.Context) (id int, err error) {
+	var ids []int
+	if ids, err = uq.Limit(2).IDs(setContextOp(ctx, uq.ctx, "OnlyID")); err != nil {
+		return
+	}
+	switch len(ids) {
+	case 1:
+		id = ids[0]
+	case 0:
+		err = &NotFoundError{user.Label}
+	default:
+		err = &NotSingularError{user.Label}
+	}
+	return
+}
+
+// OnlyIDX is like OnlyID, but panics if an error occurs.
+func (uq *UserQuery) OnlyIDX(ctx context.Context) int {
+	id, err := uq.OnlyID(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return id
+}
+
+// All executes the query and returns a list of Users.
+func (uq *UserQuery) All(ctx context.Context) ([]*User, error) {
+	ctx = setContextOp(ctx, uq.ctx, "All")
+	if err := uq.prepareQuery(ctx); err != nil {
+		return nil, err
+	}
+	qr := querierAll[[]*User, *UserQuery]()
+	return withInterceptors[[]*User](ctx, uq, qr, uq.inters)
+}
+
+// AllX is like All, but panics if an error occurs.
+func (uq *UserQuery) AllX(ctx context.Context) []*User {
+	nodes, err := uq.All(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return nodes
+}
+
+// IDs executes the query and returns a list of User IDs.
+func (uq *UserQuery) IDs(ctx context.Context) (ids []int, err error) {
+	if uq.ctx.Unique == nil && uq.path != nil {
+		uq.Unique(true)
+	}
+	ctx = setContextOp(ctx, uq.ctx, "IDs")
+	if err = uq.Select(user.FieldID).Scan(ctx, &ids); err != nil {
+		return nil, err
+	}
+	return ids, nil
+}
+
+// IDsX is like IDs, but panics if an error occurs.
+func (uq *UserQuery) IDsX(ctx context.Context) []int {
+	ids, err := uq.IDs(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return ids
+}
+
+// Count returns the count of the given query.
+func (uq *UserQuery) Count(ctx context.Context) (int, error) {
+	ctx = setContextOp(ctx, uq.ctx, "Count")
+	if err := uq.prepareQuery(ctx); err != nil {
+		return 0, err
+	}
+	return withInterceptors[int](ctx, uq, querierCount[*UserQuery](), uq.inters)
+}
+
+// CountX is like Count, but panics if an error occurs.
+func (uq *UserQuery) CountX(ctx context.Context) int {
+	count, err := uq.Count(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return count
+}
+
+// Exist returns true if the query has elements in the graph.
+func (uq *UserQuery) Exist(ctx context.Context) (bool, error) {
+	ctx = setContextOp(ctx, uq.ctx, "Exist")
+	switch _, err := uq.FirstID(ctx); {
+	case IsNotFound(err):
+		return false, nil
+	case err != nil:
+		return false, fmt.Errorf("ent: check existence: %w", err)
+	default:
+		return true, nil
+	}
+}
+
+// ExistX is like Exist, but panics if an error occurs.
+func (uq *UserQuery) ExistX(ctx context.Context) bool {
+	exist, err := uq.Exist(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return exist
+}
+
+// Clone returns a duplicate of the UserQuery builder, including all associated steps. It can be
+// used to prepare common query builders and use them differently after the clone is made.
+func (uq *UserQuery) Clone() *UserQuery {
+	if uq == nil {
+		return nil
+	}
+	return &UserQuery{
+		config:     uq.config,
+		ctx:        uq.ctx.Clone(),
+		order:      append([]user.OrderOption{}, uq.order...),
+		inters:     append([]Interceptor{}, uq.inters...),
+		predicates: append([]predicate.User{}, uq.predicates...),
+		withTeams:  uq.withTeams.Clone(),
+		// clone intermediate query.
+		sql:  uq.sql.Clone(),
+		path: uq.path,
+	}
+}
+
+// WithTeams tells the query-builder to eager-load the nodes that are connected to
+// the "teams" edge. The optional arguments are used to configure the query builder of the edge.
+func (uq *UserQuery) WithTeams(opts ...func(*TeamQuery)) *UserQuery {
+	query := (&TeamClient{config: uq.config}).Query()
+	for _, opt := range opts {
+		opt(query)
+	}
+	uq.withTeams = query
+	return uq
+}
+
+// GroupBy is used to group vertices by one or more fields/columns.
+// It is often used with aggregate functions, like: count, max, mean, min, sum.
+//
+// Example:
+//
+//	var v []struct {
+//		Name string `json:"name,omitempty"`
+//		Count int `json:"count,omitempty"`
+//	}
+//
+//	client.User.Query().
+//		GroupBy(user.FieldName).
+//		Aggregate(ent.Count()).
+//		Scan(ctx, &v)
+func (uq *UserQuery) GroupBy(field string, fields ...string) *UserGroupBy {
+	uq.ctx.Fields = append([]string{field}, fields...)
+	grbuild := &UserGroupBy{build: uq}
+	grbuild.flds = &uq.ctx.Fields
+	grbuild.label = user.Label
+	grbuild.scan = grbuild.Scan
+	return grbuild
+}
+
+// Select allows the selection one or more fields/columns for the given query,
+// instead of selecting all fields in the entity.
+//
+// Example:
+//
+//	var v []struct {
+//		Name string `json:"name,omitempty"`
+//	}
+//
+//	client.User.Query().
+//		Select(user.FieldName).
+//		Scan(ctx, &v)
+func (uq *UserQuery) Select(fields ...string) *UserSelect {
+	uq.ctx.Fields = append(uq.ctx.Fields, fields...)
+	sbuild := &UserSelect{UserQuery: uq}
+	sbuild.label = user.Label
+	sbuild.flds, sbuild.scan = &uq.ctx.Fields, sbuild.Scan
+	return sbuild
+}
+
+// Aggregate returns a UserSelect configured with the given aggregations.
+func (uq *UserQuery) Aggregate(fns ...AggregateFunc) *UserSelect {
+	return uq.Select().Aggregate(fns...)
+}
+
+func (uq *UserQuery) prepareQuery(ctx context.Context) error {
+	for _, inter := range uq.inters {
+		if inter == nil {
+			return fmt.Errorf("ent: uninitialized interceptor (forgotten import ent/runtime?)")
+		}
+		if trv, ok := inter.(Traverser); ok {
+			if err := trv.Traverse(ctx, uq); err != nil {
+				return err
+			}
+		}
+	}
+	for _, f := range uq.ctx.Fields {
+		if !user.ValidColumn(f) {
+			return &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
+		}
+	}
+	if uq.path != nil {
+		prev, err := uq.path(ctx)
+		if err != nil {
+			return err
+		}
+		uq.sql = prev
+	}
+	return nil
+}
+
+func (uq *UserQuery) sqlAll(ctx context.Context, hooks ...queryHook) ([]*User, error) {
+	var (
+		nodes       = []*User{}
+		_spec       = uq.querySpec()
+		loadedTypes = [1]bool{
+			uq.withTeams != nil,
+		}
+	)
+	_spec.ScanValues = func(columns []string) ([]any, error) {
+		return (*User).scanValues(nil, columns)
+	}
+	_spec.Assign = func(columns []string, values []any) error {
+		node := &User{config: uq.config}
+		nodes = append(nodes, node)
+		node.Edges.loadedTypes = loadedTypes
+		return node.assignValues(columns, values)
+	}
+	for i := range hooks {
+		hooks[i](ctx, _spec)
+	}
+	if err := sqlgraph.QueryNodes(ctx, uq.driver, _spec); err != nil {
+		return nil, err
+	}
+	if len(nodes) == 0 {
+		return nodes, nil
+	}
+	if query := uq.withTeams; query != nil {
+		if err := uq.loadTeams(ctx, query, nodes,
+			func(n *User) { n.Edges.Teams = []*Team{} },
+			func(n *User, e *Team) { n.Edges.Teams = append(n.Edges.Teams, e) }); err != nil {
+			return nil, err
+		}
+	}
+	return nodes, nil
+}
+
+func (uq *UserQuery) loadTeams(ctx context.Context, query *TeamQuery, nodes []*User, init func(*User), assign func(*User, *Team)) error {
+	edgeIDs := make([]driver.Value, len(nodes))
+	byID := make(map[int]*User)
+	nids := make(map[int]map[*User]struct{})
+	for i, node := range nodes {
+		edgeIDs[i] = node.ID
+		byID[node.ID] = node
+		if init != nil {
+			init(node)
+		}
+	}
+	query.Where(func(s *sql.Selector) {
+		joinT := sql.Table(user.TeamsTable)
+		s.Join(joinT).On(s.C(team.FieldID), joinT.C(user.TeamsPrimaryKey[1]))
+		s.Where(sql.InValues(joinT.C(user.TeamsPrimaryKey[0]), edgeIDs...))
+		columns := s.SelectedColumns()
+		s.Select(joinT.C(user.TeamsPrimaryKey[0]))
+		s.AppendSelect(columns...)
+		s.SetDistinct(false)
+	})
+	if err := query.prepareQuery(ctx); err != nil {
+		return err
+	}
+	qr := QuerierFunc(func(ctx context.Context, q Query) (Value, error) {
+		return query.sqlAll(ctx, func(_ context.Context, spec *sqlgraph.QuerySpec) {
+			assign := spec.Assign
+			values := spec.ScanValues
+			spec.ScanValues = func(columns []string) ([]any, error) {
+				values, err := values(columns[1:])
+				if err != nil {
+					return nil, err
+				}
+				return append([]any{new(sql.NullInt64)}, values...), nil
+			}
+			spec.Assign = func(columns []string, values []any) error {
+				outValue := int(values[0].(*sql.NullInt64).Int64)
+				inValue := int(values[1].(*sql.NullInt64).Int64)
+				if nids[inValue] == nil {
+					nids[inValue] = map[*User]struct{}{byID[outValue]: {}}
+					return assign(columns[1:], values[1:])
+				}
+				nids[inValue][byID[outValue]] = struct{}{}
+				return nil
+			}
+		})
+	})
+	neighbors, err := withInterceptors[[]*Team](ctx, query, qr, query.inters)
+	if err != nil {
+		return err
+	}
+	for _, n := range neighbors {
+		nodes, ok := nids[n.ID]
+		if !ok {
+			return fmt.Errorf(`unexpected "teams" node returned %v`, n.ID)
+		}
+		for kn := range nodes {
+			assign(kn, n)
+		}
+	}
+	return nil
+}
+
+func (uq *UserQuery) sqlCount(ctx context.Context) (int, error) {
+	_spec := uq.querySpec()
+	_spec.Node.Columns = uq.ctx.Fields
+	if len(uq.ctx.Fields) > 0 {
+		_spec.Unique = uq.ctx.Unique != nil && *uq.ctx.Unique
+	}
+	return sqlgraph.CountNodes(ctx, uq.driver, _spec)
+}
+
+func (uq *UserQuery) querySpec() *sqlgraph.QuerySpec {
+	_spec := sqlgraph.NewQuerySpec(user.Table, user.Columns, sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt))
+	_spec.From = uq.sql
+	if unique := uq.ctx.Unique; unique != nil {
+		_spec.Unique = *unique
+	} else if uq.path != nil {
+		_spec.Unique = true
+	}
+	if fields := uq.ctx.Fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, user.FieldID)
+		for i := range fields {
+			if fields[i] != user.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, fields[i])
+			}
+		}
+	}
+	if ps := uq.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if limit := uq.ctx.Limit; limit != nil {
+		_spec.Limit = *limit
+	}
+	if offset := uq.ctx.Offset; offset != nil {
+		_spec.Offset = *offset
+	}
+	if ps := uq.order; len(ps) > 0 {
+		_spec.Order = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	return _spec
+}
+
+func (uq *UserQuery) sqlQuery(ctx context.Context) *sql.Selector {
+	builder := sql.Dialect(uq.driver.Dialect())
+	t1 := builder.Table(user.Table)
+	columns := uq.ctx.Fields
+	if len(columns) == 0 {
+		columns = user.Columns
+	}
+	selector := builder.Select(t1.Columns(columns...)...).From(t1)
+	if uq.sql != nil {
+		selector = uq.sql
+		selector.Select(selector.Columns(columns...)...)
+	}
+	if uq.ctx.Unique != nil && *uq.ctx.Unique {
+		selector.Distinct()
+	}
+	for _, p := range uq.predicates {
+		p(selector)
+	}
+	for _, p := range uq.order {
+		p(selector)
+	}
+	if offset := uq.ctx.Offset; offset != nil {
+		// limit is mandatory for offset clause. We start
+		// with default value, and override it below if needed.
+		selector.Offset(*offset).Limit(math.MaxInt32)
+	}
+	if limit := uq.ctx.Limit; limit != nil {
+		selector.Limit(*limit)
+	}
+	return selector
+}
+
+// UserGroupBy is the group-by builder for User entities.
+type UserGroupBy struct {
+	selector
+	build *UserQuery
+}
+
+// Aggregate adds the given aggregation functions to the group-by query.
+func (ugb *UserGroupBy) Aggregate(fns ...AggregateFunc) *UserGroupBy {
+	ugb.fns = append(ugb.fns, fns...)
+	return ugb
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (ugb *UserGroupBy) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, ugb.build.ctx, "GroupBy")
+	if err := ugb.build.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*UserQuery, *UserGroupBy](ctx, ugb.build, ugb, ugb.build.inters, v)
+}
+
+func (ugb *UserGroupBy) sqlScan(ctx context.Context, root *UserQuery, v any) error {
+	selector := root.sqlQuery(ctx).Select()
+	aggregation := make([]string, 0, len(ugb.fns))
+	for _, fn := range ugb.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	if len(selector.SelectedColumns()) == 0 {
+		columns := make([]string, 0, len(*ugb.flds)+len(ugb.fns))
+		for _, f := range *ugb.flds {
+			columns = append(columns, selector.C(f))
+		}
+		columns = append(columns, aggregation...)
+		selector.Select(columns...)
+	}
+	selector.GroupBy(selector.Columns(*ugb.flds...)...)
+	if err := selector.Err(); err != nil {
+		return err
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := ugb.build.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}
+
+// UserSelect is the builder for selecting fields of User entities.
+type UserSelect struct {
+	*UserQuery
+	selector
+}
+
+// Aggregate adds the given aggregation functions to the selector query.
+func (us *UserSelect) Aggregate(fns ...AggregateFunc) *UserSelect {
+	us.fns = append(us.fns, fns...)
+	return us
+}
+
+// Scan applies the selector query and scans the result into the given value.
+func (us *UserSelect) Scan(ctx context.Context, v any) error {
+	ctx = setContextOp(ctx, us.ctx, "Select")
+	if err := us.prepareQuery(ctx); err != nil {
+		return err
+	}
+	return scanWithInterceptors[*UserQuery, *UserSelect](ctx, us.UserQuery, us, us.inters, v)
+}
+
+func (us *UserSelect) sqlScan(ctx context.Context, root *UserQuery, v any) error {
+	selector := root.sqlQuery(ctx)
+	aggregation := make([]string, 0, len(us.fns))
+	for _, fn := range us.fns {
+		aggregation = append(aggregation, fn(selector))
+	}
+	switch n := len(*us.selector.flds); {
+	case n == 0 && len(aggregation) > 0:
+		selector.Select(aggregation...)
+	case n != 0 && len(aggregation) > 0:
+		selector.AppendSelect(aggregation...)
+	}
+	rows := &sql.Rows{}
+	query, args := selector.Query()
+	if err := us.driver.Query(ctx, query, args, rows); err != nil {
+		return err
+	}
+	defer rows.Close()
+	return sql.ScanSlice(rows, v)
+}
diff --git a/database/ent/user_update.go b/database/ent/user_update.go
new file mode 100644
index 0000000..87453ae
--- /dev/null
+++ b/database/ent/user_update.go
@@ -0,0 +1,432 @@
+// Code generated by ent, DO NOT EDIT.
+
+package ent
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"portfolio/database/ent/predicate"
+	"portfolio/database/ent/team"
+	"portfolio/database/ent/user"
+
+	"entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/sqlgraph"
+	"entgo.io/ent/schema/field"
+)
+
+// UserUpdate is the builder for updating User entities.
+type UserUpdate struct {
+	config
+	hooks    []Hook
+	mutation *UserMutation
+}
+
+// Where appends a list predicates to the UserUpdate builder.
+func (uu *UserUpdate) Where(ps ...predicate.User) *UserUpdate {
+	uu.mutation.Where(ps...)
+	return uu
+}
+
+// SetName sets the "name" field.
+func (uu *UserUpdate) SetName(s string) *UserUpdate {
+	uu.mutation.SetName(s)
+	return uu
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (uu *UserUpdate) SetNillableName(s *string) *UserUpdate {
+	if s != nil {
+		uu.SetName(*s)
+	}
+	return uu
+}
+
+// SetRole sets the "role" field.
+func (uu *UserUpdate) SetRole(u user.Role) *UserUpdate {
+	uu.mutation.SetRole(u)
+	return uu
+}
+
+// SetNillableRole sets the "role" field if the given value is not nil.
+func (uu *UserUpdate) SetNillableRole(u *user.Role) *UserUpdate {
+	if u != nil {
+		uu.SetRole(*u)
+	}
+	return uu
+}
+
+// AddTeamIDs adds the "teams" edge to the Team entity by IDs.
+func (uu *UserUpdate) AddTeamIDs(ids ...int) *UserUpdate {
+	uu.mutation.AddTeamIDs(ids...)
+	return uu
+}
+
+// AddTeams adds the "teams" edges to the Team entity.
+func (uu *UserUpdate) AddTeams(t ...*Team) *UserUpdate {
+	ids := make([]int, len(t))
+	for i := range t {
+		ids[i] = t[i].ID
+	}
+	return uu.AddTeamIDs(ids...)
+}
+
+// Mutation returns the UserMutation object of the builder.
+func (uu *UserUpdate) Mutation() *UserMutation {
+	return uu.mutation
+}
+
+// ClearTeams clears all "teams" edges to the Team entity.
+func (uu *UserUpdate) ClearTeams() *UserUpdate {
+	uu.mutation.ClearTeams()
+	return uu
+}
+
+// RemoveTeamIDs removes the "teams" edge to Team entities by IDs.
+func (uu *UserUpdate) RemoveTeamIDs(ids ...int) *UserUpdate {
+	uu.mutation.RemoveTeamIDs(ids...)
+	return uu
+}
+
+// RemoveTeams removes "teams" edges to Team entities.
+func (uu *UserUpdate) RemoveTeams(t ...*Team) *UserUpdate {
+	ids := make([]int, len(t))
+	for i := range t {
+		ids[i] = t[i].ID
+	}
+	return uu.RemoveTeamIDs(ids...)
+}
+
+// Save executes the query and returns the number of nodes affected by the update operation.
+func (uu *UserUpdate) Save(ctx context.Context) (int, error) {
+	return withHooks(ctx, uu.sqlSave, uu.mutation, uu.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (uu *UserUpdate) SaveX(ctx context.Context) int {
+	affected, err := uu.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return affected
+}
+
+// Exec executes the query.
+func (uu *UserUpdate) Exec(ctx context.Context) error {
+	_, err := uu.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (uu *UserUpdate) ExecX(ctx context.Context) {
+	if err := uu.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (uu *UserUpdate) check() error {
+	if v, ok := uu.mutation.Role(); ok {
+		if err := user.RoleValidator(v); err != nil {
+			return &ValidationError{Name: "role", err: fmt.Errorf(`ent: validator failed for field "User.role": %w`, err)}
+		}
+	}
+	return nil
+}
+
+func (uu *UserUpdate) sqlSave(ctx context.Context) (n int, err error) {
+	if err := uu.check(); err != nil {
+		return n, err
+	}
+	_spec := sqlgraph.NewUpdateSpec(user.Table, user.Columns, sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt))
+	if ps := uu.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := uu.mutation.Name(); ok {
+		_spec.SetField(user.FieldName, field.TypeString, value)
+	}
+	if value, ok := uu.mutation.Role(); ok {
+		_spec.SetField(user.FieldRole, field.TypeEnum, value)
+	}
+	if uu.mutation.TeamsCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   user.TeamsTable,
+			Columns: user.TeamsPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(team.FieldID, field.TypeInt),
+			},
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := uu.mutation.RemovedTeamsIDs(); len(nodes) > 0 && !uu.mutation.TeamsCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   user.TeamsTable,
+			Columns: user.TeamsPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(team.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := uu.mutation.TeamsIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   user.TeamsTable,
+			Columns: user.TeamsPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(team.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Add = append(_spec.Edges.Add, edge)
+	}
+	if n, err = sqlgraph.UpdateNodes(ctx, uu.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{user.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return 0, err
+	}
+	uu.mutation.done = true
+	return n, nil
+}
+
+// UserUpdateOne is the builder for updating a single User entity.
+type UserUpdateOne struct {
+	config
+	fields   []string
+	hooks    []Hook
+	mutation *UserMutation
+}
+
+// SetName sets the "name" field.
+func (uuo *UserUpdateOne) SetName(s string) *UserUpdateOne {
+	uuo.mutation.SetName(s)
+	return uuo
+}
+
+// SetNillableName sets the "name" field if the given value is not nil.
+func (uuo *UserUpdateOne) SetNillableName(s *string) *UserUpdateOne {
+	if s != nil {
+		uuo.SetName(*s)
+	}
+	return uuo
+}
+
+// SetRole sets the "role" field.
+func (uuo *UserUpdateOne) SetRole(u user.Role) *UserUpdateOne {
+	uuo.mutation.SetRole(u)
+	return uuo
+}
+
+// SetNillableRole sets the "role" field if the given value is not nil.
+func (uuo *UserUpdateOne) SetNillableRole(u *user.Role) *UserUpdateOne {
+	if u != nil {
+		uuo.SetRole(*u)
+	}
+	return uuo
+}
+
+// AddTeamIDs adds the "teams" edge to the Team entity by IDs.
+func (uuo *UserUpdateOne) AddTeamIDs(ids ...int) *UserUpdateOne {
+	uuo.mutation.AddTeamIDs(ids...)
+	return uuo
+}
+
+// AddTeams adds the "teams" edges to the Team entity.
+func (uuo *UserUpdateOne) AddTeams(t ...*Team) *UserUpdateOne {
+	ids := make([]int, len(t))
+	for i := range t {
+		ids[i] = t[i].ID
+	}
+	return uuo.AddTeamIDs(ids...)
+}
+
+// Mutation returns the UserMutation object of the builder.
+func (uuo *UserUpdateOne) Mutation() *UserMutation {
+	return uuo.mutation
+}
+
+// ClearTeams clears all "teams" edges to the Team entity.
+func (uuo *UserUpdateOne) ClearTeams() *UserUpdateOne {
+	uuo.mutation.ClearTeams()
+	return uuo
+}
+
+// RemoveTeamIDs removes the "teams" edge to Team entities by IDs.
+func (uuo *UserUpdateOne) RemoveTeamIDs(ids ...int) *UserUpdateOne {
+	uuo.mutation.RemoveTeamIDs(ids...)
+	return uuo
+}
+
+// RemoveTeams removes "teams" edges to Team entities.
+func (uuo *UserUpdateOne) RemoveTeams(t ...*Team) *UserUpdateOne {
+	ids := make([]int, len(t))
+	for i := range t {
+		ids[i] = t[i].ID
+	}
+	return uuo.RemoveTeamIDs(ids...)
+}
+
+// Where appends a list predicates to the UserUpdate builder.
+func (uuo *UserUpdateOne) Where(ps ...predicate.User) *UserUpdateOne {
+	uuo.mutation.Where(ps...)
+	return uuo
+}
+
+// Select allows selecting one or more fields (columns) of the returned entity.
+// The default is selecting all fields defined in the entity schema.
+func (uuo *UserUpdateOne) Select(field string, fields ...string) *UserUpdateOne {
+	uuo.fields = append([]string{field}, fields...)
+	return uuo
+}
+
+// Save executes the query and returns the updated User entity.
+func (uuo *UserUpdateOne) Save(ctx context.Context) (*User, error) {
+	return withHooks(ctx, uuo.sqlSave, uuo.mutation, uuo.hooks)
+}
+
+// SaveX is like Save, but panics if an error occurs.
+func (uuo *UserUpdateOne) SaveX(ctx context.Context) *User {
+	node, err := uuo.Save(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return node
+}
+
+// Exec executes the query on the entity.
+func (uuo *UserUpdateOne) Exec(ctx context.Context) error {
+	_, err := uuo.Save(ctx)
+	return err
+}
+
+// ExecX is like Exec, but panics if an error occurs.
+func (uuo *UserUpdateOne) ExecX(ctx context.Context) {
+	if err := uuo.Exec(ctx); err != nil {
+		panic(err)
+	}
+}
+
+// check runs all checks and user-defined validators on the builder.
+func (uuo *UserUpdateOne) check() error {
+	if v, ok := uuo.mutation.Role(); ok {
+		if err := user.RoleValidator(v); err != nil {
+			return &ValidationError{Name: "role", err: fmt.Errorf(`ent: validator failed for field "User.role": %w`, err)}
+		}
+	}
+	return nil
+}
+
+func (uuo *UserUpdateOne) sqlSave(ctx context.Context) (_node *User, err error) {
+	if err := uuo.check(); err != nil {
+		return _node, err
+	}
+	_spec := sqlgraph.NewUpdateSpec(user.Table, user.Columns, sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt))
+	id, ok := uuo.mutation.ID()
+	if !ok {
+		return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "User.id" for update`)}
+	}
+	_spec.Node.ID.Value = id
+	if fields := uuo.fields; len(fields) > 0 {
+		_spec.Node.Columns = make([]string, 0, len(fields))
+		_spec.Node.Columns = append(_spec.Node.Columns, user.FieldID)
+		for _, f := range fields {
+			if !user.ValidColumn(f) {
+				return nil, &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
+			}
+			if f != user.FieldID {
+				_spec.Node.Columns = append(_spec.Node.Columns, f)
+			}
+		}
+	}
+	if ps := uuo.mutation.predicates; len(ps) > 0 {
+		_spec.Predicate = func(selector *sql.Selector) {
+			for i := range ps {
+				ps[i](selector)
+			}
+		}
+	}
+	if value, ok := uuo.mutation.Name(); ok {
+		_spec.SetField(user.FieldName, field.TypeString, value)
+	}
+	if value, ok := uuo.mutation.Role(); ok {
+		_spec.SetField(user.FieldRole, field.TypeEnum, value)
+	}
+	if uuo.mutation.TeamsCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   user.TeamsTable,
+			Columns: user.TeamsPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(team.FieldID, field.TypeInt),
+			},
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := uuo.mutation.RemovedTeamsIDs(); len(nodes) > 0 && !uuo.mutation.TeamsCleared() {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   user.TeamsTable,
+			Columns: user.TeamsPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(team.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
+	}
+	if nodes := uuo.mutation.TeamsIDs(); len(nodes) > 0 {
+		edge := &sqlgraph.EdgeSpec{
+			Rel:     sqlgraph.M2M,
+			Inverse: false,
+			Table:   user.TeamsTable,
+			Columns: user.TeamsPrimaryKey,
+			Bidi:    false,
+			Target: &sqlgraph.EdgeTarget{
+				IDSpec: sqlgraph.NewFieldSpec(team.FieldID, field.TypeInt),
+			},
+		}
+		for _, k := range nodes {
+			edge.Target.Nodes = append(edge.Target.Nodes, k)
+		}
+		_spec.Edges.Add = append(_spec.Edges.Add, edge)
+	}
+	_node = &User{config: uuo.config}
+	_spec.Assign = _node.assignValues
+	_spec.ScanValues = _node.scanValues
+	if err = sqlgraph.UpdateNode(ctx, uuo.driver, _spec); err != nil {
+		if _, ok := err.(*sqlgraph.NotFoundError); ok {
+			err = &NotFoundError{user.Label}
+		} else if sqlgraph.IsConstraintError(err) {
+			err = &ConstraintError{msg: err.Error(), wrap: err}
+		}
+		return nil, err
+	}
+	uuo.mutation.done = true
+	return _node, nil
+}