| Command | Description |
|---|---|
docker attach |
Attach the shell’s input/output/error stream to the container |
docker build |
Build a Docker image based on a provided Dockerfile |
docker cp |
Copy files between container and host |
docker exec |
Execute a command in a running container |
docker images |
List image available to your installation of docker |
docker info |
Display information about the system |
docker inspect |
Display information about Docker layers, containers, images, etc |
docker kill |
Forcefully terminate a container |
docker logs |
Display logs from a container since it last started |
docker pause |
Pause all processes within a container |
docker ps |
List information about containers and their resource usage |
docker pull |
Pull an image from a remote repository into the local registry |
docker push |
Push an image from the local registry into a remote repository |
docker rm |
Remove a container |
docker rmi |
Remove an image from the local repository |
docker run |
Start a new container and run it |
docker search |
Search DockerHub for images |
docker start |
Start a stopped container |
docker stop |
Stop a running container nicely (wait for container to shut down) |
docker tag |
Create a tag for an image |
docker top |
Show running processes of a container |
docker unpause |
Resume all processes in a paused container |
docker version |
Show the Docker version |
Useful Examples
Starting a container
docker start CONTAINER_NAME
Stopping a running container
docker container stop CONTAINER_NAME
List running containers
docker ps
List all containers
Containers that aren’t running will not show with the ps command so use -a to list them all.
docker ps -a
Stop and remove a container
docker container rm -f CONTAINER_NAME
List local images
Displays useful information about images including size. Docker can quickly eat up your free space so keep an eye on this!
docker image ls
Remove a local image
If you have noticed a few images you no longer need when running docker image ls then you can remove them using this command and free up some space.
docker image rm IMAGE_NAME
Getting bash on a running container
This will give you a command line to work with inside the container.
docker exec -it CONTAINER_NAME bash
Getting logs of a running container
docker container logs CONTAINER_NAME
Jonathan Meaney 