A clean, complete guide to version control, collaboration, and containerization. Commands, workflows, and concepts — all in one place.
Cheat sheet — all essential commands
**Git**
git init Initialize a new repo
git clone Clone a remote repo locally
git status Show working tree status
git add . Stage all changes
git commit -m Commit staged changes with message
git log --oneline Compact commit history
git switch -c Create and switch to a new branch
git merge Merge branch into current
git stash Stash uncommitted changes
git stash pop Re-apply stashed changes
git revert Safely undo a commit
git tag v1.0.0 Tag the current commit
**GitHub / Remote**
git remote add origin Link local repo to remote
git push -u origin main Push and set tracking branch
git pull Fetch and merge remote changes
git fetch origin Fetch without merging
gh pr create Open a pull request via CLI
gh pr list List open pull requests
gh run list View GitHub Actions runs
**Docker**
docker build -t name:tag . Build image from Dockerfile
docker run -p 8000:8000 name Run container with port mapping
docker run -d --name x name Run container in background
docker ps List running containers
docker logs -f Follow container logs
docker exec -it bash Shell into a running container
docker stop Stop a container
docker rm Remove a container
docker images List local images
docker rmi Delete an image
docker compose up -d Start all services in background
docker compose down Stop and remove all services
docker compose logs -f Follow logs for all services
docker system prune Clean up unused images/containers
That's the full toolkit.
Git tracks it. GitHub shares it. Docker ships it. Together they form the backbone of every modern production AI system.
