Docker Cheatsheet
A quick reference for common Docker and Docker Compose commands.
Container Management
| Command | Description |
|---|---|
docker run [image] |
Create and start a new container from an image. |
docker run -d -p [host_port]:[container_port] [image] |
Run a container in detached mode with port mapping. |
docker ps |
List all running containers. |
docker ps -a |
List all containers (running and stopped). |
docker stop [container_id] |
Stop a running container. |
docker start [container_id] |
Start a stopped container. |
docker rm [container_id] |
Remove a stopped container. |
docker logs [container_id] |
Fetch the logs of a container. |
docker exec -it [container_id] [command] |
Execute a command inside a running container (e.g., /bin/bash). |
Docker Compose
| Command | Description |
|---|---|
docker-compose up |
Create and start containers defined in docker-compose.yml. |
docker-compose up -d |
Create and start containers in detached mode. |
docker-compose down |
Stop and remove containers, networks, and volumes. |
docker-compose ps |
List containers for the current project. |
docker-compose logs -f [service_name] |
Follow log output for a specific service. |
Image Management
| Command | Description |
|---|---|
docker build -t [name:tag] . |
Build an image from a Dockerfile in the current directory. |
docker images |
List all local images. |
docker rmi [image_id] |
Remove a local image. |
docker pull [image] |
Pull an image from a registry (e.g., Docker Hub). |
docker push [username/image] |
Push an image to a registry. |
System
| Command | Description |
|---|---|
docker system prune |
Remove all unused containers, networks, images (both dangling and unreferenced). |
docker system prune -a |
Remove all unused images, not just dangling ones. |
docker info |
Display system-wide information. |