data-source.ts

import 'dotenv/config';
import { DataSource } from 'typeorm';

const config = new DataSource({
  type: 'postgres',
  host: process.env.POSTGRES_HOST,
  port: +process.env.POSTGRES_PORT,
  username: process.env.POSTGRES_USER,
  password: process.env.POSTGRES_PASSWORD,
  database: process.env.POSTGRES_DB,
  entities: [__dirname + '/src/**/*.entity.ts'],
  synchronize: true,
});

export default config;