infra-env

Secure environment variables in Next.js by standardizing variable naming with NEXT_PUBLIC_ prefixes, enforcing server-only variables, and applying runtime validation. This prevents secret leakage and misconfigurations across development, staging, and production environments.

Validate Next.js environment variables with type safety by applying runtime validation and type-safe access patterns. This ensures variables are correctly typed and loaded, preventing runtime errors caused by missing or malformed environment configurations.

Set up per-environment configuration by applying environment-specific variable loading patterns during project setup and ongoing configuration. This standardizes variable handling across development, staging, and production workflows to avoid misconfigurations.

Use NEXT_PUBLIC_ prefixes for Next.js environment variables when you need to expose public variables to the browser. Server-only variables omit this prefix, ensuring secrets remain isolated on the server and preventing accidental leakage.

Automate .env.example template creation using template-driven generation patterns. This provides clear load-order guidance and documentation for required variables, ensuring teams understand configuration requirements without exposing actual secrets.