.env File Generator
Generate a ready-to-use .env.example scaffold for any stack. Pick your framework, toggle the sections you need, and copy a complete environment variable template.
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Best Practices
Never commit .env
Add .env to .gitignore before you create it. Commit .env.example with placeholder values so teammates know what variables are needed.
Use different values per env
Never share database credentials or API keys between development, staging, and production. Use separate keys — most providers (Stripe, OpenAI, AWS) support test vs live modes.
Validate at startup
Use zod (Node/TS) or phpdotenv's required() to validate env vars on boot. Fail fast with a clear error rather than discovering a missing key deep in a code path.
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