Initial commit

.eslintrc.js

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+module.exports = {
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    project: 'tsconfig.json',
+    sourceType: 'module',
+  },
+  plugins: ['@typescript-eslint/eslint-plugin'],
+  extends: [
+    'plugin:@typescript-eslint/recommended',
+    'plugin:prettier/recommended',
+  ],
+  root: true,
+  env: {
+    node: true,
+    jest: true,
+  },
+  ignorePatterns: ['.eslintrc.js'],
+  rules: {
+    '@typescript-eslint/interface-name-prefix': 'off',
+    '@typescript-eslint/explicit-function-return-type': 'off',
+    '@typescript-eslint/explicit-module-boundary-types': 'off',
+    '@typescript-eslint/no-explicit-any': 'off',
+  },
+};

.gitignore

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+# compiled output
+/dist
+/node_modules
+
+# Logs
+logs
+*.log
+npm-debug.log*
+pnpm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# OS
+.DS_Store
+
+# Tests
+/coverage
+/.nyc_output
+
+# IDEs and editors
+/.idea
+.project
+.classpath
+.c9/
+*.launch
+.settings/
+*.sublime-workspace
+
+# IDE - VSCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+.env
+docs/

.prettierrc

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+{
+  "singleQuote": true,
+  "trailingComma": "all"
+}

README.md

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+<h1 align="center">Welcome to TP on CI and CircleCI 👋</h1>
+
+
+You can find the codelabs here on iCampus.
+
+## Installation
+
+```bash
+$ yarn install
+```
+
+## Running the app
+
+```bash
+# development
+yarn start
+
+# watch mode
+yarn start:dev
+
+# production mode
+$ yarn start:prod
+```
+
+## Test
+
+```bash
+# unit tests
+$ yarn test
+
+# e2e tests
+$ yarn test:e2e
+```
+
+## Lints
+
+```bash
+# Check
+$ yarn format:check
+
+# Format code
+$ yarn format:check
+
+$ yarn lint
+```
+
+## Documentation
+
+```bash
+# Run it locally
+$ yarn doc
+
+# Build it
+$ yarn doc:build
+```
+
+## Author
+
+👤 **Nicolas Beaussart <nic.beaussart@gmail.com>**
+
+- Twitter: [@beaussan](https://twitter.com/beaussan)
+- Github: [@beaussan](https://github.com/beaussan)

compodoc.server.json

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+{
+    "port": 9911,
+    "name": "TP_CI SERVER",
+    "output": "docs",
+    "tsconfig": "./tsconfig.json"
+  }

dev/pg.yml

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+version: '2'
+services:
+  ognion-boilerplate-postgresql:
+    image: postgres:9.6.5
+    environment:
+      - POSTGRES_USER=tpCi
+      - POSTGRES_PASSWORD=someNotSecurePassword
+    ports:
+      - 5432:5432

example.env

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+## LOGGER
+LOG_LEVEL=debug
+LOG_SQL_REQUEST=false
+
+## DB [TypeORM]
+DATABASE_URL=postgres://tpCi:someNotSecurePassword@localhost:5432/tpCi

nest-cli.json

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+{
+  "collection": "@nestjs/schematics",
+  "sourceRoot": "src"
+}

package.json

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+{
+  "name": "2021-2022-devops-03-ci-tp",
+  "version": "0.0.1",
+  "description": "",
+  "author": "",
+  "private": true,
+  "license": "UNLICENSED",
+  "scripts": {
+    "prebuild": "rimraf dist",
+    "build": "nest build",
+    "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
+    "format:check": "prettier --list-different \"src/**/*.ts\" \"test/**/*.ts\"",
+    "start": "nest start",
+    "start:dev": "nest start --watch",
+    "start:debug": "nest start --debug --watch",
+    "start:prod": "node dist/main",
+    "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
+    "doc:build": "compodoc -c compodoc.server.json",
+    "doc": "compodoc -c compodoc.server.json -s -o -w",
+    "test": "jest",
+    "test:watch": "jest --watch",
+    "test:cov": "jest --coverage",
+    "test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
+    "test:e2e": "jest --config ./test/jest-e2e.json"
+  },
+  "dependencies": {
+    "@nestjs/common": "^8.0.0",
+    "@nestjs/core": "^8.0.0",
+    "@nestjs/platform-express": "^8.0.0",
+    "@nestjs/typeorm": "8.0.2",
+    "dotenv": "10.0.0",
+    "pg": "8.7.1",
+    "reflect-metadata": "^0.1.13",
+    "rimraf": "^3.0.2",
+    "rxjs": "^7.2.0",
+    "typeorm": "0.2.38",
+    "zod": "3.9.8"
+  },
+  "devDependencies": {
+    "@compodoc/compodoc": "1.1.15",
+    "@nestjs/cli": "^8.0.0",
+    "@nestjs/schematics": "^8.0.0",
+    "@nestjs/testing": "^8.0.0",
+    "@types/express": "^4.17.13",
+    "@types/jest": "^26.0.24",
+    "@types/node": "^16.0.0",
+    "@types/supertest": "^2.0.11",
+    "@typescript-eslint/eslint-plugin": "^4.28.2",
+    "@typescript-eslint/parser": "^4.28.2",
+    "eslint": "^7.30.0",
+    "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-prettier": "^3.4.0",
+    "jest": "27.0.6",
+    "prettier": "^2.3.2",
+    "supertest": "^6.1.3",
+    "ts-jest": "^27.0.3",
+    "ts-loader": "^9.2.3",
+    "ts-node": "^10.0.0",
+    "tsconfig-paths": "^3.10.1",
+    "typescript": "^4.3.5"
+  },
+  "jest": {
+    "moduleFileExtensions": [
+      "js",
+      "json",
+      "ts"
+    ],
+    "rootDir": "src",
+    "testRegex": ".*\\.spec\\.ts$",
+    "transform": {
+      "^.+\\.(t|j)s$": "ts-jest"
+    },
+    "collectCoverageFrom": [
+      "**/*.(t|j)s"
+    ],
+    "coverageDirectory": "../coverage",
+    "testEnvironment": "node"
+  }
+}

src/app.controller.spec.ts

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+import { Test, TestingModule } from '@nestjs/testing';
+import { AppController } from './app.controller';
+import { AppService } from './app.service';
+
+describe('AppController', () => {
+  let appController: AppController;
+
+  beforeEach(async () => {
+    const app: TestingModule = await Test.createTestingModule({
+      controllers: [AppController],
+      providers: [AppService],
+    }).compile();
+
+    appController = app.get<AppController>(AppController);
+  });
+
+  describe('root', () => {
+    it('should return "Hello World!"', () => {
+      expect(appController.getHello()).toBe('Hello World!');
+    });
+  });
+});

src/app.controller.ts

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+import { Controller, Get } from '@nestjs/common';
+import { AppService } from './app.service';
+
+@Controller()
+export class AppController {
+  constructor(private readonly appService: AppService) {}
+
+  @Get()
+  getHello(): string {
+    return this.appService.getHello();
+  }
+}

src/app.module.ts

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+import { Module } from '@nestjs/common';
+import { AppController } from './app.controller';
+import { AppService } from './app.service';
+import { ConfigModule } from './config/config.module';
+import { ConfigService } from './config/config.service';
+import { TypeOrmModule, TypeOrmModuleOptions } from '@nestjs/typeorm';
+
+@Module({
+  imports: [
+    ConfigModule,
+    TypeOrmModule.forRootAsync({
+      imports: [ConfigModule],
+      useFactory: async (
+        configService: ConfigService,
+      ): Promise<TypeOrmModuleOptions> => ({
+        type: 'postgres',
+        url: configService.databaseUrl,
+        entities: [__dirname + '/**/*.entity{.ts,.js}'],
+        synchronize: true,
+        logging: configService.isLoggingDb ? 'all' : false,
+      }),
+      inject: [ConfigService],
+    }),
+  ],
+  controllers: [AppController],
+  providers: [AppService],
+})
+export class AppModule {}

src/app.service.ts

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+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class AppService {
+  getHello(): string {
+    return 'Hello World!';
+  }
+}

src/config/config.module.ts

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+import { Global, Module } from '@nestjs/common';
+import { ConfigService } from './config.service';
+
+@Global()
+@Module({
+  providers: [ConfigService],
+  exports: [ConfigService],
+})
+export class ConfigModule {}

src/config/config.service.spec.ts

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+import { Test, TestingModule } from '@nestjs/testing';
+import { ConfigService } from './config.service';
+import { expand } from 'rxjs/operators';
+
+describe('ConfigService', () => {
+  const OLD_ENV = process.env;
+
+  beforeEach(() => {
+    jest.resetModules(); // this is important - it clears the cache
+    process.env = { ...OLD_ENV };
+    delete process.env.NODE_ENV;
+  });
+
+  afterEach(() => {
+    process.env = OLD_ENV;
+  });
+
+  const loadService = async (): Promise<ConfigService> => {
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [ConfigService],
+    }).compile();
+
+    return module.get<ConfigService>(ConfigService);
+  };
+
+  it('should have default values', async () => {
+    const dbUrl = 'gotodb please';
+    const jwtSecrets = 'shhhh, secret';
+
+    // set the variables
+    process.env.NODE_ENV = undefined;
+    process.env.API_PORT = undefined;
+    process.env.API_PROTOCOL = undefined;
+    process.env.LOG_LEVEL = undefined;
+    process.env.LOG_SQL_REQUEST = undefined;
+    process.env.DATABASE_URL = dbUrl;
+    process.env.JWT_SECRET = jwtSecrets;
+
+    const configService = await loadService();
+
+    expect(configService.nodeEnv).toEqual('development');
+    expect(configService.loggerLevel).toEqual('debug');
+    expect(configService.databaseUrl).toEqual(dbUrl);
+    expect(configService.isLoggingDb).toEqual(false);
+  });
+
+  it('should error when no db url set', async () => {
+    const jwtSecrets = 'shhhh, secret';
+
+    // set the variables
+    process.env.NODE_ENV = undefined;
+    process.env.API_PORT = undefined;
+    process.env.API_PROTOCOL = undefined;
+    process.env.LOG_LEVEL = undefined;
+    process.env.LOG_SQL_REQUEST = undefined;
+    process.env.DATABASE_URL = undefined;
+    process.env.JWT_SECRET = jwtSecrets;
+
+    try {
+      const configService = await loadService();
+      fail();
+    } catch (e) {
+      expect(e.message).toMatchInlineSnapshot(`
+        "Config validation error: [
+          {
+            \\"code\\": \\"invalid_type\\",
+            \\"expected\\": \\"string\\",
+            \\"received\\": \\"undefined\\",
+            \\"path\\": [
+              \\"DATABASE_URL\\"
+            ],
+            \\"message\\": \\"Required\\"
+          }
+        ]"
+      `);
+    }
+  });
+
+  it('should set correct values', async () => {
+    const dbUrl = 'gotodb please';
+    const jwtSecrets = 'shhhh, secret';
+    const nodeEnv = 'test';
+    const apiPort = 2020;
+    const logLevel = 'silly';
+    const logSqlRequest = true;
+
+    // set the variables
+    process.env.NODE_ENV = nodeEnv;
+    process.env.API_PORT = `${apiPort}`;
+    process.env.LOG_LEVEL = logLevel;
+    process.env.LOG_SQL_REQUEST = `${logSqlRequest}`;
+    process.env.DATABASE_URL = dbUrl;
+    process.env.JWT_SECRET = jwtSecrets;
+
+    const configService = await loadService();
+
+    expect(configService.nodeEnv).toEqual(nodeEnv);
+    expect(configService.loggerLevel).toEqual(logLevel);
+    expect(configService.databaseUrl).toEqual(dbUrl);
+    expect(configService.isLoggingDb).toEqual(logSqlRequest);
+  });
+});

src/config/config.service.ts

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+import { Injectable } from '@nestjs/common';
+import * as z from 'zod';
+import { config as parseConfig } from 'dotenv';
+
+const schema = z.object({
+  NODE_ENV: z
+    .enum(['development', 'production', 'test'])
+    .default('development'),
+  LOG_LEVEL: z
+    .enum(['error', 'warning', 'info', 'debug', 'silly'])
+    .default('debug'),
+  DATABASE_URL: z.string().nonempty(),
+  LOG_SQL_REQUEST: z
+    .string()
+    .transform((value) => value === 'true')
+    .default('false'),
+});
+
+type EnvConfig = z.infer<typeof schema>;
+
+@Injectable()
+export class ConfigService {
+  private readonly envConfig: EnvConfig;
+
+  constructor() {
+    try {
+      parseConfig();
+    } catch (e) {}
+
+    this.envConfig = this.validateInput(process.env);
+  }
+
+  /**
+   * Ensures all needed variables are set, and returns the validated JavaScript object
+   * including the applied default values.
+   */
+  private validateInput(envConfig: any): EnvConfig {
+    const result = schema.safeParse(envConfig);
+
+    if (result.success === false) {
+      throw new Error(`Config validation error: ${result.error.toString()}`);
+    }
+    return result.data;
+  }
+
+  get nodeEnv(): string {
+    return this.envConfig.NODE_ENV;
+  }
+
+  get databaseUrl(): string {
+    return this.envConfig.DATABASE_URL;
+  }
+
+  get isLoggingDb(): boolean {
+    return this.envConfig.LOG_SQL_REQUEST;
+  }
+
+  get loggerLevel(): string {
+    return this.envConfig.LOG_LEVEL;
+  }
+}

src/main.ts

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+import { NestFactory } from '@nestjs/core';
+import { AppModule } from './app.module';
+
+async function bootstrap() {
+  const app = await NestFactory.create(AppModule);
+  await app.listen(3000);
+}
+bootstrap();

test/app.e2e-spec.ts

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+import { Test, TestingModule } from '@nestjs/testing';
+import { INestApplication } from '@nestjs/common';
+import * as request from 'supertest';
+import { AppModule } from './../src/app.module';
+
+describe('AppController (e2e)', () => {
+  let app: INestApplication;
+
+  beforeEach(async () => {
+    const moduleFixture: TestingModule = await Test.createTestingModule({
+      imports: [AppModule],
+    }).compile();
+
+    app = moduleFixture.createNestApplication();
+    await app.init();
+  });
+
+  afterEach(async () => {
+    await app.close();
+  });
+
+  it('/ (GET)', () => {
+    return request(app.getHttpServer())
+      .get('/')
+      .expect(200)
+      .expect('Hello World!');
+  });
+});

test/jest-e2e.json

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+{
+  "moduleFileExtensions": ["js", "json", "ts"],
+  "rootDir": ".",
+  "testEnvironment": "node",
+  "testRegex": ".e2e-spec.ts$",
+  "transform": {
+    "^.+\\.(t|j)s$": "ts-jest"
+  }
+}

tsconfig.build.json

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+{
+  "extends": "./tsconfig.json",
+  "exclude": ["node_modules", "test", "dist", "**/*spec.ts"]
+}

tsconfig.json

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+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "declaration": true,
+    "removeComments": true,
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "allowSyntheticDefaultImports": true,
+    "target": "es2017",
+    "sourceMap": true,
+    "outDir": "./dist",
+    "baseUrl": "./",
+    "incremental": true,
+    "skipLibCheck": true
+  }
+}