Docker commands

Docker commands

docker pull                   pull a pre-built image from the public repos
docker run                    run the container in one of 3 modes - Background, Foreground, Interactive
docker ps                     obtain a list of running containers
docker ps -a                  obtain a list of both running and stopped containers
docker images                 obtain a list of all images
docker rm                     remove container
docker container prune        remove stopped containers
docker rmi                    remove image
docker logs                   view the logs of the running job
docker commit                 save the container state as an image
docker diff                   list of change in files and directories
docker build                  build docker images from dockerfiles
docker inspect                low-level information about containers and images
docker attach                 interact with running containers
docker kill                   kill the main process of the container

Examples - pull, run, images

❯ docker pull hello-world
Using default tag: latest
latest: Pulling from library/hello-world
b8dfde127a29: Pull complete 
Digest: sha256:308866a43596e83578c7dfa15e27a73011bdd402185a84c5cd7f32a88b501a24
Status: Downloaded newer image for hello-world:latest
docker.io/library/hello-world:latest

❯ docker images
REPOSITORY       TAG         IMAGE ID       CREATED        SIZE
hello-world      latest      d1165f221234   11 days ago    13.3kB

❯ docker ps -a
CONTAINER ID   IMAGE         COMMAND    CREATED          STATUS                      PORTS   NAMES
afae50be3ea2   hello-world   "/hello"   18 minutes ago   Exited (0) 18 minutes ago           crazy_margulis

❯ docker run hello-world
Hello from Docker!

❯ docker run -it busybox sh
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