.env.local.production !full! -

For production environments, relying on a .env.production file on your server is . These files can be accidentally exposed or read by other processes on the server. The industry best practice is to use your hosting platform's secure method for setting environment variables.

The main reason .env files sometimes get committed is that they contain a mix of safe defaults (like APP_NAME=MyApp ) and secrets. The solution is to in the first place. .env.local.production

: Specifies the environment mode . The variables inside this file are only loaded when your application runs in production mode (typically triggered by running npm run build or npm run start , where NODE_ENV=production ). For production environments, relying on a

# Private server-side variables (Hidden from the browser) DATABASE_URL="postgresql://db_user:local_prod_password@localhost:5432/prod_db" STRIPE_SECRET_KEY="sk_prod_local_xyz123" # Public client-side variables (Exposed to the browser) NEXT_PUBLIC_API_URL="https://productionserver.com" NEXT_PUBLIC_ANALYTICS_ID="UA-LOCAL-PROD" Use code with caution. The main reason

process.env (System-level environment variables set on the hosting provider)

: NEXT_PUBLIC_ANALYTICS_ID=UA-12345 (Visible to the public anyway).

Use .env.production for non-sensitive production defaults (e.g., public asset URLs).