{ "name": "GitHub Copilot CLI for Beginners", "image": "mcr.microsoft.com/devcontainers/python:2-3.13-bullseye", "features": { "ghcr.io/devcontainers/features/github-cli:1": {}, "ghcr.io/devcontainers/features/node:1": {} }, "customizations": { "vscode": { "extensions": [ "ms-python.python" ] } }, "onCreateCommand": "pip install pytest && npm install -g @github/copilot", "postStartCommand": "echo '✅ Python, pytest, GitHub CLI, and Copilot CLI are ready. Run: cd samples/book-app-project && python book_app.py help'" }