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docker --help
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Displays basic help options and commands
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docker <command> --help
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Display detailed help for a specific command
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docker ps
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List of "live" containers
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docker ps -a/-all
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List of all containers
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docker version
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Display docker versioning
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docker run <image>
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Builds a docker image from the Docker file
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docker run [options] <image:tag@digest> <command> <arguments>
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Full syntax of docker run command
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docker create <image>:<tag>
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Creates a container using the image
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docker start <container>
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Starts a container
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docker stop <container>
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Stops a container in an orderly manner
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docker kill <container>
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Immediately stops a running container
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docker restart <container>
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Restarts a stopped container
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docker rm <container>
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Removes a stopped container
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docker port <container>
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Lists the port mapping of a "running" container
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docker images
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List images
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docker run <image>:<tag>
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Builds a new container using the image
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docker build <image>:<tag>
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Builds a docker image from the Docker file
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docker rmi <image>:<tag>
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Remove an image (not attached to a container)
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docker save <image>:<tag>
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Saves an image to a tar archive
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docker push <image>:<tag>
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Pushes the image to Docker Hub
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docker pull <image>:<tag>
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Pulls the image from Docker Hub
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docker exec -it <container> <entrypoint>
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Executes the command or terminal of a running container
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docker inspect <image or container>
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Returns low level information on an image or a container
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docker attach <container>
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Attach to a running container
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-i, --interactive
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Keep STDIN open even if not attached
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-t, --tty
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Allocate a psuedo-TTY
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-it
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Combines the -i and the -t options (interactive response)
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-a, --attach
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attach
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-d, --detach
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Run in background
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-e, --env
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Set ENV variables
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exec
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Run a new command in a container (See Misc)
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-p, -publish <host_port>>:<container_port>
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Port mapping (Host to container)
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-v, --volume <source>:<target>
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Mount files or directories (terse)
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-m, --mount
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Mount files or directores (verbose)
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--name=<name>
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Assigns a name to a container: docker run --name=<name> <image>
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-a, --all
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Adds the option of "all" to the container list: docker ps -a
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sh
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Entrypoint command for a shell in a container: docker run -it <image> sh or docker exec -it <container> sh
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docker volume ls
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List volumes
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docker volume inspect
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Inspect a volume
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docker volume create <volume>
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Create a volume
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docker volume rm <volume>
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Removes a volume
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FROM <image> [AS <name>]
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Sets the base image for this layered imaged
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RUN <command>
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(Shell form) Executes commands in a new layer
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RUN ["executable", "param1", "param2"]
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(Exec form) Executes commands in a new layer
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CMD ["executable", "param1", "param2"]
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(Exec form) Sets default executable as the ENTRYPOINT
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CMD ["param1", "param2"]
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(adds default parameters to non-specified ENTRYPOINT)
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CMD command param1 param2
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(shell form)
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LABEL <key>=<value> <key>=<value> ...
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Adds metadata to an image
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EXPOSE <port> [<ports>/<protocol>]
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Specifys the port(s) for the container to listen on
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ENV <key>=<value
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Sets an environment variable for all subsequent instructions
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COPY [--chown=<usr>:<group>] <src>... <dest>
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Copies files or directorys from <src> and adds them to the container at <dest>
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VOLUME ["/data"]
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(Can be an array) Creates a mount point for files or directories
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USER <user>[:<group>]
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Sets the user name and optionally the user group to use when running image
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WORKDIR
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Sets the working directory
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ARG <NAME>=<value>
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ARG is the only command that may precede the FROM command. It sets support variables for the FROM
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From <image>
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WORKDIR <path>
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[ENV <key>=<value>]
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COPY <src> <target>
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RUN command param1 param2 ...
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CMD ["executable", "param1", "param2", ...]
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