docker-commands-cheat-sheet

Docker Commands	Description
docker search searchterm	Search Docker Hub for images.
docker pull user/image	Downloads an image from Docker Hub.
docker login	Authenticate to Docker Hub (or other Docker registry).
docker push user/image	Uploads an image to Docker Hub. You must be authenticated to run this command.
docker ps	List all running containers.
docker ps -a	List all container instances, with their ID and status.
docker images	Lists all images on the local machine.
docker history user/image	Lists the history of an image.
docker logs [container name or ID]	Displays the logs from a running container.
docker port [container name or ID]	Displays the exposed port of a running container.
docker diff [container name or ID]	Lists the changes made to a container.
docker run -it user/image	Runs an image, creating a container and changing the terminal to the terminal within the container.
docker run -p $HOSTPORT:$CONTAINERPORT -d user/image	Run an image in detached mode with port forwarding.
ctrl+p then ctrl+q	From within the container’s command prompt, detach and return to the host’s prompt.
docker attach [container name or ID]	Changes the command prompt from the host to a running container.
docker start [container name or ID]	Start a container.
docker stop [container name or ID]	Stop a container.
docker rm -f [container name or ID]	Delete a container.
docker rmi	Delete an image.
docker tag user/image:tag user/image:newtag	Add a new tag to an image.
docker exec [container name or ID] shell command	Executes a command within a running container.
docker commit user/image	Save a container as an image.
docker save user/image	Save an image to a tar archive.
docker build -t sampleuser/ubuntu .	Builds a Docker image from a Dockerfile in the current directory.
docker load	Loads an image from file.
docker info	Get information about the docker infra.
docker images	Get all the images in local docker repo.
docker rm $(docker ps -a -q)	Delete all containers
docker rmi $(docker images -q)	Delete all images---- use -f is needed for force