How do I practice NestJs? — NestJs + GraphQL + TypeORM + MongoDB

Jun 18 · 3 min read
Built with NestJs, GraphQL, TypeORM, MongoDB

1. Requirement

2. Table of contents

3. Practice


// Setting up a new project is quite simple with the Nest CLI$ npm i -g @nestjs/cli
// or
$ yarn add global @nestjs/cli
// Create new nest project
$ nest new project-name

Run It!

// Development
$ npm run start
// or
$ yarn start
// Watch mode
$ npm run start:dev
// or
$ yarn start:dev



$ npm i --save @nestjs/graphql apollo-server-express graphql-tools graphql$ yarn add @nestjs/graphql apollo-server-express graphql-tools graphql
$ nest g mo user
$ nest g r user
$ nest g s user
$ touch src/user/user.graphql
Folder structure

Demo query “Hello world”

TypeORM connect MongoDB

$ npm i --save @nestjs/typeorm typeorm mongodb
// OR
$ yarn add @nestjs/typeorm typeorm mongodb

CRUD with object User

$ touch src/user/user.entity.ts
$ touch src/user/user.input.ts
$ npm i uuid


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