A developer needs a config for production debugging. They type:
Stop using .env files in production entirely. Use your hosting platform's native environment variable manager (AWS Secrets Manager, Heroku Config Vars, GitHub Secrets, Vercel Environment Variables). For local development, use a single .env that never leaves your machine. A developer needs a config for production debugging
Most programming languages have libraries designed to parse .env files and load them into the application's environment variables ( process.env in Node, os.environ in Python, etc.). Node.js / JavaScript The standard library is dotenv . npm install dotenv Usage: javascript Heroku Config Vars