init the nestjs project

backend/.gitignore

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+# compiled output
+/dist
+/node_modules
+
+# Logs
+logs
+*.log
+npm-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

backend/.prettierrc

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+{
+	"singleQuote": false,
+	"trailingComma": "all",
+	"bracketSpacing": true,
+	"printWidth": 120,
+	"useTabs": true,
+	"tabWidth": 4,
+	"semi": true
+}

backend/README.md

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+<p align="center">
+  <a href="http://nestjs.com/" target="blank"><img src="https://nestjs.com/img/logo_text.svg" width="320" alt="Nest Logo" /></a>
+</p>
+
+[travis-image]: https://api.travis-ci.org/nestjs/nest.svg?branch=master
+[travis-url]: https://travis-ci.org/nestjs/nest
+[linux-image]: https://img.shields.io/travis/nestjs/nest/master.svg?label=linux
+[linux-url]: https://travis-ci.org/nestjs/nest
+
+  <p align="center">A progressive <a href="http://nodejs.org" target="blank">Node.js</a> framework for building efficient and scalable server-side applications, heavily inspired by <a href="https://angular.io" target="blank">Angular</a>.</p>
+    <p align="center">
+<a href="https://www.npmjs.com/~nestjscore"><img src="https://img.shields.io/npm/v/@nestjs/core.svg" alt="NPM Version" /></a>
+<a href="https://www.npmjs.com/~nestjscore"><img src="https://img.shields.io/npm/l/@nestjs/core.svg" alt="Package License" /></a>
+<a href="https://www.npmjs.com/~nestjscore"><img src="https://img.shields.io/npm/dm/@nestjs/core.svg" alt="NPM Downloads" /></a>
+<a href="https://travis-ci.org/nestjs/nest"><img src="https://api.travis-ci.org/nestjs/nest.svg?branch=master" alt="Travis" /></a>
+<a href="https://travis-ci.org/nestjs/nest"><img src="https://img.shields.io/travis/nestjs/nest/master.svg?label=linux" alt="Linux" /></a>
+<a href="https://coveralls.io/github/nestjs/nest?branch=master"><img src="https://coveralls.io/repos/github/nestjs/nest/badge.svg?branch=master#5" alt="Coverage" /></a>
+<a href="https://gitter.im/nestjs/nestjs?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=body_badge"><img src="https://badges.gitter.im/nestjs/nestjs.svg" alt="Gitter" /></a>
+<a href="https://opencollective.com/nest#backer"><img src="https://opencollective.com/nest/backers/badge.svg" alt="Backers on Open Collective" /></a>
+<a href="https://opencollective.com/nest#sponsor"><img src="https://opencollective.com/nest/sponsors/badge.svg" alt="Sponsors on Open Collective" /></a>
+  <a href="https://paypal.me/kamilmysliwiec"><img src="https://img.shields.io/badge/Donate-PayPal-dc3d53.svg"/></a>
+  <a href="https://twitter.com/nestframework"><img src="https://img.shields.io/twitter/follow/nestframework.svg?style=social&label=Follow"></a>
+</p>
+  <!--[![Backers on Open Collective](https://opencollective.com/nest/backers/badge.svg)](https://opencollective.com/nest#backer)
+  [![Sponsors on Open Collective](https://opencollective.com/nest/sponsors/badge.svg)](https://opencollective.com/nest#sponsor)-->
+
+## Description
+
+[Nest](https://github.com/nestjs/nest) framework TypeScript starter repository.
+
+## Installation
+
+```bash
+$ npm install
+```
+
+## Running the app
+
+```bash
+# development
+$ npm run start
+
+# watch mode
+$ npm run start:dev
+
+# production mode
+$ npm run start:prod
+```
+
+## Test
+
+```bash
+# unit tests
+$ npm run test
+
+# e2e tests
+$ npm run test:e2e
+
+# test coverage
+$ npm run test:cov
+```
+
+## Support
+
+Nest is an MIT-licensed open source project. It can grow thanks to the sponsors and support by the amazing backers. If you'd like to join them, please [read more here](https://docs.nestjs.com/support).
+
+## Stay in touch
+
+- Author - [Kamil Myśliwiec](https://kamilmysliwiec.com)
+- Website - [https://nestjs.com](https://nestjs.com/)
+- Twitter - [@nestframework](https://twitter.com/nestframework)
+
+## License
+
+  Nest is [MIT licensed](LICENSE).

backend/nest-cli.json

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

backend/nodemon-debug.json

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+{
+  "watch": ["src"],
+  "ext": "ts",
+  "ignore": ["src/**/*.spec.ts"],
+  "exec": "node --inspect-brk -r ts-node/register -r tsconfig-paths/register src/main.ts"
+}

backend/nodemon.json

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+{
+  "watch": ["dist"],
+  "ext": "js",
+  "exec": "node dist/main"
+}

backend/package.json

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+{
+  "name": "geizhals-mega-deals-backend",
+  "version": "0.0.1",
+  "description": "",
+  "author": "",
+  "license": "MIT",
+  "scripts": {
+    "build": "tsc -p tsconfig.build.json",
+    "format": "prettier --write \"src/**/*.ts\"",
+    "start": "ts-node -r tsconfig-paths/register src/main.ts",
+    "start:dev": "concurrently --handle-input \"wait-on dist/main.js && nodemon\" \"tsc -w -p tsconfig.build.json\" ",
+    "start:debug": "nodemon --config nodemon-debug.json",
+    "prestart:prod": "rimraf dist && npm run build",
+    "start:prod": "node dist/main.js",
+    "lint": "tslint -p tsconfig.json -c tslint.json",
+    "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": "^6.0.0",
+    "@nestjs/core": "^6.0.0",
+    "@nestjs/platform-express": "^6.0.0",
+    "reflect-metadata": "^0.1.12",
+    "rimraf": "^2.6.2",
+    "rxjs": "^6.3.3"
+  },
+  "devDependencies": {
+    "@nestjs/testing": "^6.0.0",
+    "@types/express": "^4.16.0",
+    "@types/jest": "^23.3.13",
+    "@types/node": "^10.12.18",
+    "@types/supertest": "^2.0.7",
+    "concurrently": "^4.1.0",
+    "jest": "^23.6.0",
+    "nodemon": "^1.18.9",
+    "prettier": "^1.15.3",
+    "supertest": "^3.4.1",
+    "ts-jest": "24.0.2",
+    "ts-node": "8.1.0",
+    "tsconfig-paths": "3.8.0",
+    "tslint": "5.16.0",
+    "typescript": "3.4.3",
+    "wait-on": "^3.2.0"
+  },
+  "jest": {
+    "moduleFileExtensions": [
+      "js",
+      "json",
+      "ts"
+    ],
+    "rootDir": "src",
+    "testRegex": ".spec.ts$",
+    "transform": {
+      "^.+\\.(t|j)s$": "ts-jest"
+    },
+    "coverageDirectory": "../coverage",
+    "testEnvironment": "node"
+  }
+}

backend/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!');
+    });
+  });
+});

backend/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();
+  }
+}

backend/src/app.module.ts

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+import { Module } from '@nestjs/common';
+import { AppController } from './app.controller';
+import { AppService } from './app.service';
+
+@Module({
+  imports: [],
+  controllers: [AppController],
+  providers: [AppService],
+})
+export class AppModule {}

backend/src/app.service.ts

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

backend/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();

backend/test/app.e2e-spec.ts

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

backend/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"
+  }
+}

backend/tsconfig.build.json

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

backend/tsconfig.json

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+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "declaration": true,
+    "removeComments": true,
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "target": "es6",
+    "sourceMap": true,
+    "outDir": "./dist",
+    "baseUrl": "./",
+    "incremental": true
+  },
+  "exclude": ["node_modules"]
+}

backend/tslint.json

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+{
+  "defaultSeverity": "error",
+  "extends": ["tslint:recommended"],
+  "jsRules": {
+    "no-unused-expression": true
+  },
+  "rules": {
+    "quotemark": [true, "single"],
+    "member-access": [false],
+    "ordered-imports": [false],
+    "max-line-length": [true, 150],
+    "member-ordering": [false],
+    "interface-name": [false],
+    "arrow-parens": false,
+    "object-literal-sort-keys": false
+  },
+  "rulesDirectory": []
+}