.env.local [top] ✧

Add the following line to your project's .gitignore file immediately after creating the project: # Local environment variables .env.local .env.*.local Use code with caution. The Solution: Use .env.example

.env.local usually sits near the top of the priority chain. If you define API_URL in .env and a different value in .env.local , the application will use the value from .env.local . This allows developers to override defaults without altering the shared code. .env.local

It loads .env , then .env.local , then .env.[mode] (e.g., .env.development ), then .env.[mode].local . Add the following line to your project's

Next.js has the most sophisticated environment variable handling. It supports multiple files out-of-the-box. then .env.[mode] (e.g.