When working on a project, you may need to switch between different environments, such as development, testing, or production. Each environment may have its own set of environment variables, which can be tedious to manage. Hardcoding environment variables in your code or using a single .env file for all environments can lead to issues, such as:
And sometimes, .env.development.local is the truest environment of all. .env.development.local
Assuming you are running your app in (e.g., npm start or next dev ), the system looks for environment files in the following priority order (lowest to highest, where highest wins): When working on a project, you may need