DockerCLI/man/docker.1.md

% DOCKER(1) Docker User Manuals % William Henry % APRIL 2014

NAME

docker - Docker image and container command line interface

SYNOPSIS

docker [OPTIONS] COMMAND [arg...]

docker daemon [--help|...]

docker [--help|-v|--version]

DESCRIPTION

docker has two distinct functions. It is used for starting the Docker daemon and to run the CLI (i.e., to command the daemon to manage images, containers etc.) So docker is both a server, as a daemon, and a client to the daemon, through the CLI.

To run the Docker daemon you can specify docker daemon. You can view the daemon options using docker daemon --help. To see the man page for the daemon, run man docker daemon.

The Docker CLI has over 30 commands. The commands are listed below and each has its own man page which explain usage and arguments.

To see the man page for a command run man docker .

OPTIONS

--help Print usage statement

--config="" Specifies the location of the Docker client configuration files. The default is '~/.docker'.

-D, --debug=true|false Enable debug mode. Default is false.

-H, --host=[unix:///var/run/docker.sock]: tcp://[host]:[port][path] to bind or unix://[/path/to/socket] to use. The socket(s) to bind to in daemon mode specified using one or more tcp://host:port/path, unix:///path/to/socket, fd://* or fd://socketfd. If the tcp port is not specified, then it will default to either 2375 when --tls is off, or 2376 when --tls is on, or --tlsverify is specified.

-l, --log-level="debug|info|warn|error|fatal" Set the logging level. Default is info.

--tls=true|false Use TLS; implied by --tlsverify. Default is false.

--tlscacert=~/.docker/ca.pem Trust certs signed only by this CA.

--tlscert=~/.docker/cert.pem Path to TLS certificate file.

--tlskey=~/.docker/key.pem Path to TLS key file.

--tlsverify=true|false Use TLS and verify the remote (daemon: verify client, client: verify daemon). Default is false.

-v, --version=true|false Print version information and quit. Default is false.

COMMANDS

attach Attach to a running container See docker-attach(1) for full documentation on the attach command.

build Build an image from a Dockerfile See docker-build(1) for full documentation on the build command.

commit Create a new image from a container's changes See docker-commit(1) for full documentation on the commit command.

cp Copy files/folders between a container and the local filesystem See docker-cp(1) for full documentation on the cp command.

create Create a new container See docker-create(1) for full documentation on the create command.

diff Inspect changes on a container's filesystem See docker-diff(1) for full documentation on the diff command.

events Get real time events from the server See docker-events(1) for full documentation on the events command.

exec Run a command in a running container See docker-exec(1) for full documentation on the exec command.

export Stream the contents of a container as a tar archive See docker-export(1) for full documentation on the export command.

history Show the history of an image See docker-history(1) for full documentation on the history command.

images List images See docker-images(1) for full documentation on the images command.

import Create a new filesystem image from the contents of a tarball See docker-import(1) for full documentation on the import command.

info Display system-wide information See docker-info(1) for full documentation on the info command.

inspect Return low-level information on a container or image See docker-inspect(1) for full documentation on the inspect command.

kill Kill a running container (which includes the wrapper process and everything inside it) See docker-kill(1) for full documentation on the kill command.

load Load an image from a tar archive See docker-load(1) for full documentation on the load command.

login Log in to a Docker Registry See docker-login(1) for full documentation on the login command.

logout Log the user out of a Docker Registry See docker-logout(1) for full documentation on the logout command.

logs Fetch the logs of a container See docker-logs(1) for full documentation on the logs command.

pause Pause all processes within a container See docker-pause(1) for full documentation on the pause command.

port Lookup the public-facing port which is NAT-ed to PRIVATE_PORT See docker-port(1) for full documentation on the port command.

ps List containers See docker-ps(1) for full documentation on the ps command.

pull Pull an image or a repository from a Docker Registry See docker-pull(1) for full documentation on the pull command.

push Push an image or a repository to a Docker Registry See docker-push(1) for full documentation on the push command.

rename Rename a container. See docker-rename(1) for full documentation on the rename command.

restart Restart a container See docker-restart(1) for full documentation on the restart command.

rm Remove one or more containers See docker-rm(1) for full documentation on the rm command.

rmi Remove one or more images See docker-rmi(1) for full documentation on the rmi command.

run Run a command in a new container See docker-run(1) for full documentation on the run command.

save Save an image to a tar archive See docker-save(1) for full documentation on the save command.

search Search for an image in the Docker index See docker-search(1) for full documentation on the search command.

start Start a container See docker-start(1) for full documentation on the start command.

stats Display a live stream of one or more containers' resource usage statistics See docker-stats(1) for full documentation on the stats command.

stop Stop a container See docker-stop(1) for full documentation on the stop command.

tag Tag an image into a repository See docker-tag(1) for full documentation on the tag command.

top Lookup the running processes of a container See docker-top(1) for full documentation on the top command.

unpause Unpause all processes within a container See docker-unpause(1) for full documentation on the unpause command.

version Show the Docker version information See docker-version(1) for full documentation on the version command.

wait Block until a container stops, then print its exit code See docker-wait(1) for full documentation on the wait command.

RUNTIME EXECUTION OPTIONS

Use the --exec-opt flags to specify options to the execution driver. The following options are available:

native.cgroupdriver

Specifies the management of the container's cgroups. You can specify cgroupfs or systemd. If you specify systemd and it is not available, the system errors out.

Client

For specific client examples please see the man page for the specific Docker command. For example:

man docker-run

HISTORY

April 2014, Originally compiled by William Henry (whenry at redhat dot com) based on docker.com source material and internal work.