Useful, common, Docker commands for managing containers and images
As a brief note to self, this is a short list of useful, basic Docker commands that I just used while getting some Docker containers up and running:
# create an image from a Dockerfile/project in the current directory
docker image build -t webapp1:latest .
# list all images
docker image ls
REPOSITORY TAG IMAGE ID CREATED SIZE
webapp1 latest 0ec0a6f8e833 10 minutes ago 68.8MB
alpine latest caf27325b298 2 weeks ago 5.53MB
# run the container from the image:
docker container run -d --name webapp1 --publish 9000:9000 webapp1:latest
# list running containers
docker ps
docker ps -a
docker ps -aq
docker container ls
# stop a container (STATUS becomes “Exited”)
docker stop container_id
# stop all running containers
docker stop `docker ps -a -q`
# remove a container
docker rm container_id
# remove multiple containers, so they no longer show up in `ps -a`
docker rm container_id_1 container_id_2
# delete all stopped containers
docker rm `docker ps -a -q`
# remove an image
docker rmi my_image
docker rmi webapp1:latest #no longer shows up in `docker image ls`
# remove all images
docker rmi `docker images -q`
# run bash in a running container
docker container exec -it container_id bash
# run bash in ubuntu in a container
docker run -it ubuntu bash
# exit the container without terminating it
Ctrl-PQ
Ctrl-D # also worked
# stop docker (kill the Docker daemon on MacOS)
killall Docker
There are many more Docker commands, but these are some of the basic ones I needed while doing my work today. For more commands, see the Docker command line reference page.
Reporting live from Louisville, Colorado,
Alvin Alexander
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