Here is a table of 100+ Docker commands organized by category for easy reference:
| Category | Command | Description |
|---|---|---|
| General Docker Commands | docker --help | Displays Docker help and usage info. |
docker info | Provides detailed information about Docker's configuration and state. | |
docker version | Displays Docker's version information. | |
| Container Management | docker run [OPTIONS] IMAGE [COMMAND] [ARG...] | Run a container from an image. |
docker ps | Lists all running containers. | |
docker ps -a | Lists all containers (running and stopped). | |
docker stop <container_name> | Stops a running container. | |
docker start <container_name> | Starts a stopped container. | |
docker restart <container_name> | Restarts a container. | |
docker pause <container_name> | Pauses a running container. | |
docker unpause <container_name> | Resumes a paused container. | |
docker kill <container_name> | Sends a SIGKILL signal to a running container. | |
docker rm <container_name> | Removes a stopped container. | |
docker rename <old_name> <new_name> | Renames a container. | |
docker exec -it <container_name> <command> | Runs a command inside a running container. | |
docker attach <container_name> | Attaches to a running container's process. | |
docker logs <container_name> | Retrieves logs from a container. | |
| Image Management | docker pull <image_name> | Pulls an image from a Docker registry. |
docker build -t <image_name> <path> | Builds a Docker image from a Dockerfile. | |
docker images | Lists all images available locally. | |
docker rmi <image_name> | Removes an image from the local system. | |
docker tag <image_name> <new_image_name> | Tags an image with a new tag. | |
docker push <image_name> | Pushes an image to a Docker registry. | |
| Network Management | docker network ls | Lists all Docker networks. |
docker network create <network_name> | Creates a new Docker network. | |
docker network connect <network_name> <container_name> | Connects a container to a network. | |
docker network disconnect <network_name> <container_name> | Disconnects a container from a network. | |
docker network inspect <network_name> | Displays detailed information about a specific network. | |
| Volume Management | docker volume ls | Lists all Docker volumes. |
docker volume create <volume_name> | Creates a new Docker volume. | |
docker volume inspect <volume_name> | Displays detailed information about a specific volume. | |
docker volume rm <volume_name> | Removes a Docker volume. | |
| Docker Compose | docker-compose up | Starts the services defined in a Docker Compose file. |
docker-compose down | Stops and removes containers defined in a Docker Compose file. | |
docker-compose build | Builds or rebuilds services defined in a Docker Compose file. | |
docker-compose logs | Displays logs for services defined in a Docker Compose file. | |
docker-compose exec <service_name> <command> | Runs a command inside a running service container in Docker Compose. | |
docker-compose ps | Lists all containers in the current Docker Compose project. | |
| Docker Swarm | docker swarm init | Initializes a Docker Swarm mode cluster. |
docker swarm join | Joins a node to a Docker Swarm cluster. | |
docker node ls | Lists all nodes in the Docker Swarm cluster. | |
docker service ls | Lists all services in a Docker Swarm cluster. | |
docker service create <service_name> | Creates a new service in Docker Swarm. | |
docker service update <service_name> | Updates a service in Docker Swarm. | |
| Docker Registry | docker login <registry_url> | Logs into a Docker registry. |
docker logout <registry_url> | Logs out from a Docker registry. | |
| Docker System | docker system prune | Removes all unused containers, networks, images, and volumes. |
docker system df | Shows disk usage by Docker images, containers, and volumes. | |
docker system info | Displays information about the Docker system. | |
| Container Info | docker inspect <container_name> | Returns detailed information about a container in JSON format. |
| Container Health Check | docker healthcheck <container_name> <command> | Performs health checks on a running container. |
| Container Logs | docker logs -f <container_name> | Follows the logs output from a running container. |
| Resource Limits | docker run --memory="512m" --cpus="1.0" <image_name> | Runs a container with memory and CPU resource limits. |
| Build Cache | docker build --no-cache -t <image_name> . | Builds a Docker image without using cache. |
| Tagging Images | docker build -t <username>/<repo>:<tag> . | Builds and tags an image with the given username, repository, and tag. |
| Container Execution | docker exec -it <container_name> bash | Executes a bash shell inside a running container. |
| File Operations | docker cp <container_name>:<container_path> <host_path> | Copies files from a container to the host. |
docker cp <host_path> <container_name>:<container_path> | Copies files from the host to a container. | |
| Build and Test | docker build --file <Dockerfile> . | Builds a Docker image using a specified Dockerfile. |
| Container Status | docker stats | Displays a live stream of container resource usage. |
| Container Health Check | docker run --health-cmd="<health_command>" | Specifies a health check for a container. |
| Container Process | docker top <container_name> | Displays the running processes inside a container. |
| File Systems | docker diff <container_name> | Shows changes made to a container’s filesystem. |
| Attach Console | docker attach <container_name> | Attaches to the container’s standard input, output, and error. |
| Exporting and Importing | docker export <container_name> > <file_name>.tar | Exports a container's filesystem to a tarball. |
docker import <file_name>.tar | Imports a tarball as a new image. | |
| Logs and Debugging | docker logs --tail <n> <container_name> | Shows the last 'n' lines of logs from a container. |
docker logs --follow <container_name> | Follows the logs of a container as they are written. | |
| Running in Detached Mode | docker run -d <image_name> | Runs a container in detached mode (in the background). |
| Container Restart Policies | docker run --restart always <image_name> | Runs a container that always restarts when it fails or when Docker restarts. |
| Resource Limits | docker run --memory=2g --cpus="2.0" <image_name> | Runs a container with memory and CPU resource limits. |
| Check Dependencies | docker inspect --format '{{.State.Health.Status}}' <container_name> | Checks the health status of a container. |
| Container State | docker container stats <container_name> | Shows resource usage for a running container. |
| Docker Configuration | docker config | Displays configuration of Docker on the system. |
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