Docker cheetshet

Images Management Commands

List and Search

List all local images

docker images

List running containers

docker search <image_name>

Pull and Build

Pull an image from a registry

docker pull <image_name>

Build an image from a Dockerfile

docker build -t <image_name>:<tag> <path_to_dockerfile_directory>

Tag and Push

Tag an image for a remote repository

docker tag <image_name>:<tag> <repository>/<image_name>:<tag>

Push an image to Docker Hub or registry

docker push <repository>/<image_name>:<tag>

Remove and Prune

Remove a local image

docker rmi <image_name>:<tag>

Remove all unused images

docker image prune

Containers Management Commands

Basic Container Commands

List running containers

docker ps

List all containers (include stopped)

docker ps -a

Start a container

docker start <container_name|container_id>

Stop a container

docker stop <container_name|container_id>

Restart a container

docker restart <container_name|container_id>

Remove a stopped container

docker rm <container_name|container_id>

Remove all containers

docker rm $(docker ps -aq)

Run a new container (detached)

docker run -d <image_name>

Run a container with shell access

docker run -it <image_name> /bin/bash

Container Lifecycle Shortcuts

Remove all stopped containers

docker container prune

Stop all running containers

docker stop $(docker ps -q)

Force remove all containers

docker rm -f $(docker ps -aq)

Auto-restart container on system boot

docker update --restart=always <container>

Inspect and Logs

Show container logs

docker logs <container>

Check the IP address of a Docker container

docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' <container_name|container_id>

Follow container logs (live stream)

docker logs -f <container>

Show detailed container config/info

docker inspect <container>

Live CPU, memory, network usage

docker stats

Show running processes in container

docker top <container>

Executing Commands Inside Container

Run a command in a running container

docker exec -it <container> <command>

Open a bash shell in container

docker exec -it <container> <bash|sh>

Copy file/folder from container to host

docker cp <container>:<path> <host_path>

Copy file/folder from host to container

docker cp <host_path> <container>:<path>

Volumes Management Commands

Create and List

List all Volume

docker volume ls

Create a new named volume

docker volume create <volume_name>

Inspect and Remove

Inspect a specific Volume

docker volume inspect <volume_name>

Remove a Volume

docker volume rm <volume_name>

Prune all unused volume

docker volume prune

Use Volumes with Containers

Mount a volume inside a container

docker run -d -v <volume_name>:<container_path> <image_name>

Mount a host directory as a volume

docker run -d -v $(pwd)/data:/app/data <image_name>

Networks Management Commands