You might wonder why we need multiple .env files. Here are the three primary reasons: 1. Local Overrides
While .env is often committed to version control, .env.local should not be. .env.local
At its core, .env.local is a plain text file used to store environment variables specifically for . It follows the same KEY=VALUE syntax as standard .env files, but its purpose and behavior are distinct. You might wonder why we need multiple
Forgetting to add NEXT_PUBLIC_ or VITE_ can lead to frustrating "undefined" errors when trying to access variables in your React/Vue components. .env.local
Most frameworks ignore .env.local in production builds as a security safeguard. For example, Next.js explicitly does not load .env.local during next start or serverless deployments. It is intended exclusively for next dev .
