.env-

A .env file is a simple text file that stores environment variables for an application. It's a convenient way to manage configuration settings that vary across different environments. The file typically contains key-value pairs, where each key is an environment variable name, and the value is the corresponding value for that variable.

Do you need help writing a to manage your environments? Do you need help writing a to manage your environments

Most programming languages have a standard library or package to handle these files: For advanced scenarios, use docker-compose

Managing configuration securely and efficiently is a fundamental requirement of modern software development. Hardcoding sensitive information like API keys, database credentials, or secret tokens directly into your source code is a major security risk and makes it incredibly difficult to deploy your software across different server setups. For advanced scenarios

For advanced scenarios, use docker-compose.override.yml or environment‑specific Compose files, but .env- files keep configuration simple.