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DOCKER(1) Docker User Manuals DOCKER(1)


docker - Docker image and container command line interface



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


docker is a client for interacting with the daemon (see dockerd(8)) through the CLI.

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 .


Print usage statement

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.

Use TLS; implied by --tlsverify. Default is false.

Trust certs signed only by this CA.

Path to TLS certificate file.

Path to TLS key file.

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.


Use "docker help" or "docker --help" to get an overview of available commands.


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

man docker-run


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

APRIL 2014 Docker Community