The Python Dev Container Template

An opinionated template for a Python dev container

Features

Likely extensions installed
Poetry for dependency management
Mypy uses the Daemon for increased performance
Ruff instead of flake8, uses Ruff extension which features an autofix command
PostStartCommand and PostCreateCommand, with background script already configured and created
The virtual environment is under a named volume for good performance
Docker-in-docker enabled
Line length: black wraps at the 98 soft limit, ruff errors at the 120 hard limit
Format on save as well as organize imports
Debug outside your code
- Currently there is an issue where the restart button doesn't work.
- microsoft/vscode-python#19030

Limitations

Currently just VS Code configurations

Roles and Responsibilities

The .devcontainer/devcontainer.json file defines the extensions, settings, etc that are the foundation.

This means .vscode/settings.json isn't generated yet. This allows for it to be used as user settings or as additional settings. If you wish to have them be user settings, add .vscode/settings.json to the .gitignore file.

Poetry is used for dependency management. The virtual environment is under .env.

Add production dependency: poetry add <dependency>
Add development dependnecy: poetry add <dependency> --group=dev

Tests are to be located under the tests directory.

Usage (inside your unconfigured dev container or codespace)

Step 1 - cd /workspaces/
Step 2 - sudo git clone https://github.com/JamesHutchison/python-dev-container-template.git
Step 3 - cd /workspaces/my-project
Step 4 - /workspaces/python-dev-container-template/py_dev_container_template.py (script runs without args)
Step 5 - cmd/ctrl + shift + p -> Rebuild container

License

JamesHutchison/python-dev-container-template

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