How to use @loopback/boot - 10 common examples

// License text available at https://opensource.org/licenses/MIT

import {BootMixin, BootOptions} from '@loopback/boot';
import {ApplicationConfig} from '@loopback/core';
import {RepositoryMixin} from '@loopback/repository';
import {RestApplication} from '@loopback/rest';
import {
  Client,
  createRestAppClient,
  givenHttpServerConfig,
} from '@loopback/testlab';
import path from 'path';
import {Lb3AppBooterComponent} from '../lb3app.booter.component';
const lb3app = require('../../fixtures/lb3app/server/server');

export class CoffeeApplication extends BootMixin(
  RepositoryMixin(RestApplication),
) {
  constructor(options: ApplicationConfig = {}) {
    super(options);
    this.projectRoot = path.resolve(__dirname + '/..');
  }
}

export async function setupApplication(
  booterOptions?: BootOptions,
): Promise {
  const app = new CoffeeApplication({rest: givenHttpServerConfig()});

  app.component(Lb3AppBooterComponent);

  app.bootOptions = Object.assign({}, booterOptions);

import {ApplicationConfig} from '@loopback/core';
import {RestApplication} from '@loopback/rest';
/* tslint:disable:no-unused-variable */
import {
  DataSourceConstructor,
  juggler,
  RepositoryMixin,
  Class,
  Repository,
} from '@loopback/repository';
/* tslint:disable:no-unused-variable */
import {BootMixin, Booter, Binding} from '@loopback/boot';
import {dataSource} from './datasources';

export class TranscationMicroservice extends BootMixin(
  RepositoryMixin(RestApplication),
) {
  public _startTime: Date;

  constructor(options?: ApplicationConfig) {
    options = Object.assign(
      {},
      {
        rest: {
          port: 3003,
        },
      },
      options,
    );

    super(options);

// Copyright IBM Corp. 2019. All Rights Reserved.
// Node module: @loopback/example-express-composition
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT

import {BootMixin} from '@loopback/boot';
import {ApplicationConfig} from '@loopback/core';
import {RepositoryMixin} from '@loopback/repository';
import {RestApplication} from '@loopback/rest';
import {RestExplorerComponent} from '@loopback/rest-explorer';
import {ServiceMixin} from '@loopback/service-proxy';
import path from 'path';
import {MySequence} from './sequence';

export class NoteApplication extends BootMixin(
  ServiceMixin(RepositoryMixin(RestApplication)),
) {
  constructor(options: ApplicationConfig = {}) {
    super(options);

    // Set up the custom sequence
    this.sequence(MySequence);

    // Set up default home page
    this.static('/', path.join(__dirname, '../public'));

    this.component(RestExplorerComponent);

    this.projectRoot = __dirname;
    // Customize @loopback/boot Booter Conventions here
    this.bootOptions = {

// Copyright IBM Corp. 2018,2019. All Rights Reserved.
// Node module: @loopback/example-soap-calculator
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT

import {BootMixin} from '@loopback/boot';
import {ApplicationConfig} from '@loopback/core';
import {RepositoryMixin} from '@loopback/repository';
import {RestApplication} from '@loopback/rest';
import {RestExplorerComponent} from '@loopback/rest-explorer';
import {ServiceMixin} from '@loopback/service-proxy';
import path from 'path';
import {MySequence} from './sequence';

export class SoapCalculatorApplication extends BootMixin(
  ServiceMixin(RepositoryMixin(RestApplication)),
) {
  constructor(options: ApplicationConfig = {}) {
    super(options);

    // Set up the custom sequence
    this.sequence(MySequence);

    // Set up default home page
    this.static('/', path.join(__dirname, '../public'));

    this.component(RestExplorerComponent);

    this.projectRoot = __dirname;
    // Customize @loopback/boot Booter Conventions here
    this.bootOptions = {

import {RepositoryMixin} from '@loopback/repository';
import {RestApplication} from '@loopback/rest';
import {ServiceMixin} from '@loopback/service-proxy';
import * as path from 'path';
import {MySequence} from './sequence';
//add
import {MyAuthBindings,
        JWTService,
        JWTStrategy,
        UserPermissionsProvider,
} from './authorization';
import {AuthenticationComponent,
       registerAuthenticationStrategy,
} from '@loopback/authentication';

export class FirstgameApplication extends BootMixin(
  ServiceMixin(RepositoryMixin(RestApplication)),
) {
  constructor(options: ApplicationConfig = {}) {
    super(options);

    //add
    // Bind authentication component related elements
    this.component(AuthenticationComponent);
    // Bind JWT & permission authentication strategy related elements
    registerAuthenticationStrategy(this, JWTStrategy);
    this.bind(MyAuthBindings.TOKEN_SERVICE).toClass(JWTService);
    this.bind(MyAuthBindings.USER_PERMISSIONS).toProvider(UserPermissionsProvider);
    // Set up the custom sequence
    this.sequence(MySequence);

    // Set up default home page

// Copyright IBM Corp. 2018,2019. All Rights Reserved.
// Node module: @loopback/example-todo-list
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT

import {BootMixin} from '@loopback/boot';
import {ApplicationConfig} from '@loopback/core';
import {RepositoryMixin} from '@loopback/repository';
import {RestApplication} from '@loopback/rest';
import {RestExplorerComponent} from '@loopback/rest-explorer';
import path from 'path';
import {MySequence} from './sequence';

export class TodoListApplication extends BootMixin(
  RepositoryMixin(RestApplication),
) {
  constructor(options: ApplicationConfig = {}) {
    super(options);

    // Set up the custom sequence
    this.sequence(MySequence);

    // Set up default home page
    this.static('/', path.join(__dirname, '../public'));

    this.component(RestExplorerComponent);

    this.projectRoot = __dirname;
    // Customize @loopback/boot Booter Conventions here
    this.bootOptions = {

// Copyright IBM Corp. 2017,2018. All Rights Reserved.
// Node module: @loopback/example-lb3models
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT

import {BootMixin} from '@loopback/boot';
import {ApplicationConfig} from '@loopback/core';
import {RestApplication} from '@loopback/rest';
import {RestExplorerComponent} from '@loopback/rest-explorer';
import {CompatMixin} from '@loopback/v3compat';
import * as path from 'path';
import {MySequence} from './sequence';

export class TodoListApplication extends CompatMixin(
  BootMixin(RestApplication),
) {
  constructor(options: ApplicationConfig = {}) {
    super(options);

    // Set up the custom sequence
    this.sequence(MySequence);

    // Set up default home page
    this.static('/', path.join(__dirname, '../../public'));

    this.component(RestExplorerComponent);

    this.projectRoot = __dirname;
    // Customize @loopback/boot Booter Conventions here
    this.bootOptions = {
      controllers: {

import {ApplicationConfig} from '@loopback/core';
import {RestApplication} from '@loopback/rest';
/* tslint:disable:no-unused-variable */
import {
  DataSourceConstructor,
  juggler,
  RepositoryMixin,
  Class,
  Repository,
} from '@loopback/repository';
/* tslint:disable:no-unused-variable */
import {BootMixin, Booter, Binding} from '@loopback/boot';
import {dataSource} from './datasources/memory.datasource';

export class AccountMicroservice extends BootMixin(
  RepositoryMixin(RestApplication),
) {
  public _startTime: Date;

  constructor(options?: ApplicationConfig) {
    options = Object.assign(
      {},
      {
        rest: {
          port: 3001,
        },
      },
      options,
    );

    super(options);

// License text available at https://opensource.org/licenses/MIT

import {ApplicationConfig} from '@loopback/core';
import {RestApplication} from '@loopback/rest';
/* tslint:disable:no-unused-variable */
import {
  DataSourceConstructor,
  juggler,
  RepositoryMixin,
  Class,
  Repository,
} from '@loopback/repository';
/* tslint:disable:no-unused-variable */
import {BootMixin, Booter, Binding} from '@loopback/boot';

export class FacadeMicroservice extends BootMixin(
  RepositoryMixin(RestApplication),
) {
  public _startTime: Date;

  constructor(options?: ApplicationConfig) {
    options = Object.assign(
      {},
      {
        rest: {
          port: 3101,
        },
      },
      options,
    );

    super(options);

import {createEnforcer} from './services/enforcer';
import {CasbinAuthorizationProvider} from './services/authorizor';

/**
 * Information from package.json
 */
export interface PackageInfo {
  name: string;
  version: string;
  description: string;
}
export const PackageKey = BindingKey.create('application.package');

const pkg: PackageInfo = require('../package.json');

export class ShoppingApplication extends BootMixin(
  ServiceMixin(RepositoryMixin(RestApplication)),
) {
  constructor(options?: ApplicationConfig) {
    super(options);

    /*
       This is a workaround until an extension point is introduced
       allowing extensions to contribute to the OpenAPI specification
       dynamically.
    */
    this.api({
      openapi: '3.0.0',
      info: {title: pkg.name, version: pkg.version},
      paths: {},
      components: {securitySchemes: SECURITY_SCHEME_SPEC},
      servers: [{url: '/'}],