📌 : If you’re typing real production credentials into .env.production.local , stop — use a secrets manager instead.
Because this name combines features of two distinct file types, it will be ignored by almost all major frameworks. It falls into a gap in the file-loading pattern. As a result, placing variables in a file named .env.local.production will usually mean those variables are never loaded. .env.local.production
To understand .env.local.production , we must first understand the standard loading order. Most modern frameworks (specifically pioneered this pattern, and others have adopted it) load dotenv files in a specific priority order. 📌 : If you’re typing real production credentials into
During standard development, you might use a sandbox or "free tier" API key for services like Stripe, SendGrid, or Firebase. However, if you need to test how your app handles live data volumes or production webhooks locally, you can use .env.local.production to safely inject your live production API keys for a brief testing session. 3. Isolated Self-Hosted Deployments (VPS) As a result, placing variables in a file named
: Environment-specific defaults that are safe to commit to Git.