Docker
Docker Cheat Sheet
## List Docker CLI commands
docker
docker container --help
## Display Docker version and info
docker --version
docker version
docker info
## Execute Docker image
docker run hello-world
## List Docker images
docker image ls
## List Docker containers (running, all, all in quiet mode)
docker container ls
docker container ls --all
docker container ls -aq
# -------------------------------------
# Create image using this directory's Dockerfile
docker build -t friendlyhello .
# Run "friendlyname" mapping port 4000 to 80
docker run -p 4000:80 friendlyhello
# Same thing, but in detached mode
docker run -d -p 4000:80 friendlyhello
# List all running containers
docker container ls
# List all containers, even those not running
docker container ls -a
# Gracefully stop the specified container
docker container stop <hash>
# Force shutdown of the specified container
docker container kill <hash>
# Remove specified container from this machine
docker container rm <hash>
# Remove all containers
docker container rm $(docker container ls -a -q)
# List all images on this machine
docker image ls -a
# Remove specified image from this machine
docker image rm <image id>
# Remove all images from this machine
docker image rm $(docker image ls -a -q)
# Log in this CLI session using your Docker credentials
docker login
# Tag <image> for upload to registry
docker tag <image> username/repository:tag
# Upload tagged image to registry
docker push username/repository:tag
# Run image from a registry
docker run username/repository:tag
# -------------------------------------
# List stacks or apps
docker stack ls
# Run the specified Compose file
docker stack deploy -c <composefile> <appname>
# List running services associated with an app
docker service List
# List tasks associated with an app
docker service ps <service>
# Inspect task or container
docker inspect <task or container>
# List container IDs
docker container ls -q
# Tear down an application
docker stack rm <appname>
# Take down a single node swarm from the manager
docker swarm leave --force
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Docker Version
$ docker --version
# 'Docker version 17.12.0-ce, build c97c6d6'
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Docker Info
To view even more details about your Docker installation:
$ docker info
# Containers: 0
# Running: 0
# Paused: 0
# Stopped: 0
# Images: 0
# Server Version: 17.12.0-ce
# Storage Driver: overlay2
# ...
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Test Docker installation
To test that your installation works
$ docker run hello-world
# Unable to find image 'hello-world:latest' locally
# latest: Pulling from library/hello-world
# ca4f61b1923c: Pull complete
# Digest: sha256:ca0eeb6fb05351dfc8759c20733c91def84cb8007aa89a5bf606bc8b315b9fc7
# Status: Downloaded newer image for hello-world:latest
#
# Hello from Docker!
# This message shows that your installation appears to be working correctly.
# ...
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Docker Images - List
List the downloaded images available on your machine:
$ docker image ls
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