.python Version [hot] Link

: Hardcodes the version in the FROM instruction of a Dockerfile .

: Follow the installation guide on the pyenv GitHub repository.

: If the file exists, the manager immediately sets the local environment to the version specified inside. .python version

: Use a command like pyenv install 3.12.0 .

When you enter a directory in your terminal, the version manager checks for this hidden file. : Hardcodes the version in the FROM instruction

: Match the version in this file to the version used in your production environment (e.g., your Dockerfile or AWS Lambda runtime) to ensure consistent behavior across all stages of development. Common Alternatives

To use this file effectively, you should first install a version manager. : Use a command like pyenv install 3

: The file contains a single string of text, such as 3.11.4 .

: Navigate to your project folder and run pyenv local 3.12.0 . This automatically generates the .python-version file for you. Best Practices for Teams