This is a quick reference cheat sheet for Docker. And you can find the most common Docker commands here.
Create and run a container in background
$ docker run -d -p 80:80 docker/getting-started
-d - Run the container in detached mode-p 80:80 - Map port 80 to port 80 in the containerdocker/getting-started - The image to useCreate and run a container in foreground
$ docker run -it -p 8001:8080 --name my-nginx nginx
-it - Interactive bash mode-p 8001:8080 - Map port 8001 to port 8080 in the container--name my-nginx - Specify a namenginx - The image to use| Example | Description |
|---|---|
docker ps |
List running containers |
docker ps -a |
List all containers |
docker ps -s |
List running containers (with CPU / memory) |
docker images |
List all images |
docker exec -it <container> bash |
Connecting to container |
docker logs <container> |
Shows container's console log |
docker stop <container> |
Stop a container |
docker restart <container> |
Restart a container |
docker rm <container> |
Remove a container |
docker port <container> |
Shows container's port mapping |
docker top <container> |
List processes |
docker kill <container> |
Kill a container |
Parameter <container> can be container id or name
| Description | Example |
|---|---|
docker start my-nginx |
Starting |
docker stop my-nginx |
Stopping |
docker restart my-nginx |
Restarting |
docker pause my-nginx |
Pausing |
docker unpause my-nginx |
Unpausing |
docker wait my-nginx |
Blocking a Container |
docker kill my-nginx |
Sending a SIGKILL |
docker attach my-nginx |
Connecting to an Existing Container |
| Example | Description |
|---|---|
docker ps |
List running containers |
docker ps -a |
List all containers |
docker logs my-nginx |
Container Logs |
docker inspect my-nginx |
Inspecting Containers |
docker events my-nginx |
Containers Events |
docker port my-nginx |
Public Ports |
docker top my-nginx |
Running Processes |
docker stats my-nginx |
Container Resource Usage |
docker diff my-nginx |
Lists the changes made to a container. |
docker create [options] IMAGE
-a, --attach # attach stdout/err
-i, --interactive # attach stdin (interactive)
-t, --tty # pseudo-tty
--name NAME # name your image
-p, --publish 5000:5000 # port map (host:container)
--expose 5432 # expose a port to containers
-P, --publish-all # publish all ports
--link container:alias # linking
-v, --volume `pwd`:/app # mount (absolute paths needed)
-e, --env NAME=hello # env vars
$ docker create --name my_redis --expose 6379 redis:3.0.2
Renaming a Container
docker rename my-nginx my-nginx
Removing a Container
docker rm my-nginx
Updating a Container
docker update --cpu-shares 512 -m 300M my-nginx
Example |
Description |
|---|---|
docker images |
Listing images |
docker rmi nginx |
Removing an image |
docker load < ubuntu.tar.gz |
Loading a tarred repository |
docker load --input ubuntu.tar |
Loading a tarred repository |
docker save busybox > ubuntu.tar |
Save an image to a tar archive |
docker history |
Showing the history of an image |
docker commit nginx |
Save a container as an image. |
docker tag nginx eon01/nginx |
Tagging an image |
docker push eon01/nginx |
Pushing an image |
$ docker build .
$ docker build github.com/creack/docker-firefox
$ docker build - < Dockerfile
$ docker build - < context.tar.gz
$ docker build -t eon/my-nginx .
$ docker build -f myOtherDockerfile .
$ curl example.com/remote/Dockerfile | docker build -f - .
Removing a network
docker network rm MyOverlayNetwork
Listing networks
docker network ls
Getting information about a network
docker network inspect MyOverlayNetwork
Connecting a running container to a network
docker network connect MyOverlayNetwork nginx
Connecting a container to a network when it starts
docker run -it -d --network=MyOverlayNetwork nginx
Disconnecting a container from a network
docker network disconnect MyOverlayNetwork nginx
docker network create -d overlay MyOverlayNetwork
docker network create -d bridge MyBridgeNetwork
docker network create -d overlay \
--subnet=192.168.0.0/16 \
--subnet=192.170.0.0/16 \
--gateway=192.168.0.100 \
--gateway=192.170.0.100 \
--ip-range=192.168.1.0/24 \
--aux-address="my-router=192.168.1.5" \
--aux-address="my-switch=192.168.1.6" \
--aux-address="my-printer=192.170.1.5" \
--aux-address="my-nas=192.170.1.6" \
MyOverlayNetwork
Cleans up dangling images, containers, volumes, and networks (ie, not associated with a container)
docker system prune
Additionally, remove any stopped containers and all unused images (not just dangling images)
docker system prune -a
Stop all running containers
docker stop $(docker ps -a -q)
Delete stopped containers
docker container prune
Remove all dangling (not tagged and is not associated with a container) images:
docker image prune
Remove all images which are not used by existing containers
docker image prune -a
docker volume prune
Remove all volumes not used by at least one container
| Docker Syntax | Description |
|---|---|
docker search search_word |
Search docker hub for images. |
docker pull user/image |
Downloads an image from docker hub. |
docker login |
Authenticate to docker hub |
docker push user/image |
Uploads an image to docker hub. |
Login to a Registry
$ docker login
$ docker login localhost:8080
Logout from a Registry
$ docker logout
$ docker logout localhost:8080
Searching an Image
$ docker search nginx
$ docker search nginx --stars=3 --no-trunc busybox
Pulling an Image
$ docker pull nginx
$ docker pull eon01/nginx localhost:5000/myadmin/nginx
Pushing an Image
$ docker push eon01/nginx
$ docker push eon01/nginx localhost:5000/myadmin/nginx
| Example | Description |
|---|---|
docker stop -f $(docker ps -a -q) |
Stopping all containers |
docker rm -f $(docker ps -a -q) |
Removing all containers |
docker rmi -f $(docker images -q) |
Removing all images |
Check volumes
$ docker volume ls
Cleanup unused volumes
$ docker volume prune