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moby--moby/docs/man/docker-login.1.md
Dan Walsh a2b529ead2 --help option and help command should print to stdout not stderr
--help and help are successful commands so output should not go to error.

    QE teams have requested this change, also users doing docker help | less
    or docker run --help | less would expect this to work.

    Usage statement should only be printed when the user asks for it.
    Errors should print error message and then suggest the docker COMMAND --help
    command to see usage information.

    The current behaviour causes the user to have to search for the error message
    and sometimes scrolls right off the screen.  For example a error on a
    "docker run" command is very difficult to diagnose.

    Finally erros should always exit with a non 0 exit code, if the user
    makes a CLI error.

Docker-DCO-1.1-Signed-off-by: Dan Walsh <dwalsh@redhat.com> (github: rhatdan)
2015-01-06 13:40:14 +01:00

1 KiB

% DOCKER(1) Docker User Manuals % Docker Community % JUNE 2014

NAME

docker-login - Register or log in to a Docker registry server, if no server is specified "https://index.docker.io/v1/" is the default.

SYNOPSIS

docker login [-e|--email[=EMAIL]] [--help] [-p|--password[=PASSWORD]] [-u|--username[=USERNAME]] [SERVER]

DESCRIPTION

Register or Login to a docker registry server, if no server is specified "https://index.docker.io/v1/" is the default. If you want to login to a private registry you can specify this by adding the server name.

OPTIONS

-e, --email="" Email

--help Print usage statement

-p, --password="" Password

-u, --username="" Username

EXAMPLES

Login to a local registry

# docker login localhost:8080

HISTORY

April 2014, Originally compiled by William Henry (whenry at redhat dot com) based on docker.com source material and internal work. June 2014, updated by Sven Dowideit SvenDowideit@home.org.au