Exemplary real world backend API built with NestJS + TypeORM
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Latest commit 123a7d3 Sep 10, 2018


Node/Express/Mongoose Example App

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NestJS (Express + Mongoose) codebase containing real world examples (CRUD, auth, advanced patterns, etc) that adheres to the RealWorld API spec.

Getting started


Clone the repository

git clone git@github.com:lujakob/nestjs-realworld-example-app.git

Switch to the repo folder

cd nestjs-realworld-example-app

Install dependencies

npm install

Copy config file and set JsonWebToken secret key

cp src/config.ts.example src/config.ts


The example codebase uses Typeorm with a mySQL database.

Create a new mysql database with the name nestjsrealworld (or the name you specified in the ormconfig.json)

Copy Typeorm config example file for database settings

cp ormconfig.json.example ``

Set mysql database settings in ormconfig.json

  "type": "mysql",
  "host": "localhost",
  "port": 3306,
  "username": "your-mysql-username",
  "password": "your-mysql-password",
  "database": "nestjsrealworld",
  "entities": ["src/**/**.entity{.ts,.js}"],
  "synchronize": true

Start local mysql server and create new database 'nestjsrealworld'

On application start, tables for all entities will be created.

NPM scripts

  • npm start - Start application
  • npm run start:watch - Start application in watch mode
  • npm run test - run Jest test runner
  • npm run start:prod - Build application

API Specification

This application adheres to the api specifications set by the Thinkster team. This helps mix and match any backend with any other frontend without conflicts.

Full API Spec

More information regarding the project can be found here https://github.com/gothinkster/realworld

Start application

  • npm start
  • Test api with http://localhost:3000/api/articles in your favourite browser


This applications uses JSON Web Token (JWT) to handle authentication. The token is passed with each request using the Authorization header with Token scheme. The JWT authentication middleware handles the validation and authentication of the token. Please check the following sources to learn more about JWT.

Swagger API docs

This example repo uses the NestJS swagger module for API documentation. NestJS Swagger - www.swagger.io