.env.local ((top)) -

Note: Many frameworks also recommend ignoring .env*.local (the wildcard pattern) to catch variations like .env.development.local .

: Use the # symbol to write comments explaining what complex variables do, keeping your configuration self-documenting. .env.local

: Stores shared, non-sensitive defaults (e.g., a public API endpoint). This is usually committed to the repository. Note: Many frameworks also recommend ignoring

If you are using platforms like Vercel, you can use their CLI commands (e.g., vercel env pull ) to automatically generate a local file with the correct development variables. js or Python ? This is usually committed to the repository

Demystifying .env.local : The Definitive Guide to Local Environment Variables

If you are building a plain Node.js backend without a framework, native support for .env.local depends on your Node version. Modern Node.js versions (v20.6.0+) support a built-in flag: node --env-file=.env.local index.js Use code with caution.