Cheatsheets
Docker cheatsheet
Images, containers, Compose, and cleanup commands.
Images and containers
| Command / topic | What it does |
|---|
docker build -t app:dev . | Build an image from a Dockerfile |
docker run --rm -p 8080:80 app:dev | Run and map a port |
docker ps | List running containers |
docker logs -f <id> | Follow container logs |
docker exec -it <id> sh | Shell into a running container |
Compose
| Command / topic | What it does |
|---|
docker compose up -d | Start the stack detached |
docker compose ps | Service status |
docker compose logs -f api | Follow one service |
docker compose down | Stop and remove containers |
Cleanup
| Command / topic | What it does |
|---|
docker system df | Show Docker disk use |
docker image prune | Remove dangling images |
docker container prune | Remove stopped containers |
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