.env.local May 2026

require('dotenv').config(); const express = require('express'); const app = express();

# .env.local.production DATABASE_URL=postgresql://user:password@prod-host:5432/prod_database In your Express application, you can load the environment variables using a library like dotenv : .env.local

# .env.local.development DATABASE_URL=postgresql://user:password@localhost:5432/dev_database require('dotenv')

const databaseUrl = process.env.DATABASE_URL; app.use(`/${databaseUrl}`); const express = require('express')