Cheat Sheet
Install nestjs cli for nest commands
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npm i -g @nestjs/cli
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Create a nestJs Project in a new folder with app.modules, app.controllers and app.service
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nest new nestjs_backend |
Goto new project
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cd nestjs_backend |
Start as Debug Server
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npm run start:dev |
Embed PostgreSQL Server + typeorm
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npm install --save typeorm typeorm pg |
Embed MySQL Server
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npm install --save typeorm mysql2 |
For dataset IsNotEmpty, MinLength..
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npm install class-validator |
Erstellen
von Resource (Controller+Service+Module+CRUD)
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nest g resource articles |
Einzeln erstellen
Create a Controller-File (in the folder)
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nest -- generate controller articles |
Create a Service-File (in the folder)
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nest -- generate service articles |
Install Swagger
Documentation https://docs.nestjs.com/openapi/introduction
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npm install --save @nestjs/swagger swagger-ui-express |
Add swagger in start
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import { NestFactory } from '@nestjs/core'; import { SwaggerModule, DocumentBuilder } from '@nestjs/swagger'; import { AppModule } from './app.module';
async function bootstrap() { const app = await NestFactory.create(AppModule);
const config = new DocumentBuilder() .setTitle('nestjs backend') .setDescription('nestjs API articles and users') .setVersion('1.0') .addTag('nestjs') .build(); const document = SwaggerModule.createDocument(app, config); SwaggerModule.setup('api', app, document);
await app.listen(3000); } bootstrap();
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nest generate resource articles |
> REST API
GraphQL (code first)
GraphQL (schema first)
Microservice (non-HTTP)
WebSockets
Documentation at:
https://docs.nestjs.com/first-steps
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