diff --git a/docs/reference/commandline/login.md b/docs/reference/commandline/login.md index 6361d99f58..c6e367c478 100644 --- a/docs/reference/commandline/login.md +++ b/docs/reference/commandline/login.md @@ -25,3 +25,16 @@ adding the server name. example: $ docker login localhost:8080 + + +`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 [Docker Daemon Attack Surface](https://docs.docker.com/articles/security/#docker-daemon-attack-surface) for details. + +You can log into any public or private repository for which you have +credentials. When you log in, the command stores encoded credentials in +`$HOME/.docker/config.json` on Linux or `%USERPROFILE%/.docker/config.json` on Windows. + +> **Note**: When running `sudo docker login` credentials are saved in `/root/.docker/config.json`. +> diff --git a/man/docker-login.1.md b/man/docker-login.1.md index b87e2c1591..c32a49b075 100644 --- a/man/docker-login.1.md +++ b/man/docker-login.1.md @@ -18,10 +18,18 @@ Register or log in to a Docker Registry located on the specified do not specify a `SERVER`, the command uses Docker's public registry located at `https://registry-1.docker.io/` by default. To get a username/password for Docker's public registry, create an account on Docker Hub. +`docker login` requires user to use `sudo` or be `root`, except when: + +1. connecting to a remote daemon, such as a `docker-machine` provisioned `docker engine`. +2. user is added to the `docker` group. This will impact the security of your system; the `docker` group is `root` equivalent. See [Docker Daemon Attack Surface](https://docs.docker.com/articles/security/#docker-daemon-attack-surface) for details. + You can log into any public or private repository for which you have credentials. When you log in, the command stores encoded credentials in `$HOME/.docker/config.json` on Linux or `%USERPROFILE%/.docker/config.json` on Windows. +> **Note**: When running `sudo docker login` credentials are saved in `/root/.docker/config.json`. +> + # OPTIONS **-e**, **--email**="" Email @@ -49,3 +57,4 @@ 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 April 2015, updated by Mary Anthony for v2 +November 2015, updated by Sally O'Malley