dotenv-linter

Dotenv-linter can check / fix / compare .env files for problems that may cause the application to malfunction.

Available checks:

    ✅ Duplicated Key
    ✅ Ending Blank Line
    ✅ Extra Blank Line
    ✅ Incorrect delimiter
    ✅ Key without value
    ✅ Leading character
    ✅ Lowercase key
    ✅ Quote character
    ✅ Space character
    ✅ Substitution Key
    ✅ Trailing whitespace
    ✅ Unordered Key

What is a .env file?

    💡 A .env file or dotenv file is a simple text file containing all the environment variables of a project.
    Storing configuration in the environment variables is one of the tenets of the Manifesto of Twelve-Factor App.
    The .env file has a simple key-value format, for example: FOO=BAR.
    More information you can find in articles in English and Russian.

The key features:

    ⚡️ Lightning-fast because it is written in Rust 🦀
    💣 Can be used on any project regardless of the programming language 💥
    🚀 Can be integrated with reviewdog and other CI services (including GitHub Actions) 🔥

Articles about dotenv-linter: