Data source create Type ORM

data-source.ts

import * as dotenv from 'dotenv';
import { DataSource, DataSourceOptions } from 'typeorm';

dotenv.config();

const isDevelopment = process.env.NODE_ENV !== 'production';
console.log('isDevelopment', isDevelopment);
export const dataSourceOptions: DataSourceOptions = {
  type: 'postgres',
  host: process.env.POSTGRES_HOST || 'localhost',
  port: parseInt(process.env.POSTGRES_PORT || '5432'),
  username: process.env.POSTGRES_USER || '<user>',
  password: process.env.POSTGRES_PASSWORD || '<password>',
  database: process.env.POSTGRES_DB || '<database>',
  entities: [__dirname + '/../**/*.entity{.ts,.js}'],
  migrations: [__dirname + '/../../migrations/**/*{.ts,.js}'],
  synchronize: false,
  subscribers: [__dirname + '/../**/*.subscriber{.ts,.js}'],
};

const dataSource = new DataSource(dataSourceOptions);
export default dataSource;