NestJS – Database Setup

NestJS

Database Setup

Configuring a database connection in NestJS (e.g., using TypeORM with PostgreSQL).

Install Packages: Install TypeORM and the database driver (PostgreSQL in this example).

📄terminal
bash

npm install @nestjs/typeorm typeorm pg

App Module Configuration: Configure TypeOrmModule in the root application module.

📄src/app.module.ts
typescript

import { Module } from '@nestjs/common';
import { TypeOrmModule } from '@nestjs/typeorm';
import { AppController } from './app.controller';
import { AppService } from './app.service';

@Module({
  imports: [
    TypeOrmModule.forRoot({
      type: 'postgres',
      host: 'localhost',
      port: 5432,
      username: 'db_user',
      password: 'db_password',
      database: 'my_database',
      autoLoadEntities: true,
      synchronize: true, // Set to false in production
    }),
  ],
  controllers: [AppController],
  providers: [AppService],
})
export class AppModule {}