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docker-login - Online in the Cloud

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docker-login - Register or log in to a Docker registry.


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


Register or log in to a Docker Registry located on the specified SERVER. You can specify
a URL or a hostname for the SERVER value. If you do not specify a SERVER, the command uses
Docker's public registry located at https://registry-1.docker.io/ by default. To get a
username/password for Docker's public registry, create an account on Docker Hub.

docker login requires user to use sudo or be root, except when:

1. connecting to a remote daemon, such as a docker-machine provisioned docker engine.

2. user is added to the docker group. This will impact the security of your system; the
docker group is root equivalent. See
⟨https://docs.docker.com/articles/security/#docker-daemon-attack-surface⟩ for

You can log into any public or private repository for which you have credentials. When
you log in, the command stores encoded credentials in $HOME/.docker/config.json on Linux
or %USERPROFILE%/.docker/config.json on Windows.

Note: When running sudo docker login credentials are saved in


-e, --email=""

Print usage statement

-p, --password=""

-u, --username=""


Login to a registry on your localhost

# docker login localhost:8080

See also

docker-logout(1) to log out from a Docker registry.


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
[email protected]⟩ April 2015, updated by Mary Anthony for v2 ⟨[email protected]
November 2015, updated by Sally O'Malley ⟨[email protected]

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