Docker Registry 2 authentication server

The original Docker Registry server (v1) did not provide any support for authentication or authorization. Access control had to be performed externally, typically by deploying Nginx in the reverse proxy mode with Basic or other type of authentication. While performing simple user authentication is pretty straightforward, performing more fine-grained access control was cumbersome.

Docker Registry 2.0 introduced a new, token-based authentication and authorization protocol, but the server to generate them was not released. Thus, most guides found on the internet still describe a set up with a reverse proxy performing access control.

This server fills the gap and implements the protocol described here.

Supported authentication methods:

Static list of users
Google Sign-In (incl. Google for Work / GApps for domain) (documented here)
Github Sign-In
LDAP bind (demo)
MongoDB user collection
MySQL/MariaDB, PostgreSQL, SQLite database table
External program

Supported authorization methods:

Static ACL
MongoDB-backed ACL
MySQL/MariaDB, PostgreSQL, SQLite backed ACL
External program

Installation and Examples

Using Helm/Kubernetes

A helm chart is available in the folder chart/docker-auth.

Docker

A public Docker image is available on Docker Hub: cesanta/docker_auth.

Tags available:

:edge - bleeding edge, usually works but breaking config changes are possible. You probably do not want to use this in production.
:latest - latest tagged release, will line up with :1 tag
:1 - the 1.x version, will have fixes, no breaking config changes. Previously known as :stable.
:1.x - specific release, see here for the list of current releases.

The binary takes a single argument - path to the config file. If no arguments are given, the Dockerfile defaults to /config/auth_config.yml.

Example command line:

$ docker run \
    --rm -it --name docker_auth -p 5001:5001 \
    -v /path/to/config_dir:/config:ro \
    -v /var/log/docker_auth:/logs \
    cesanta/docker_auth:1 /config/auth_config.yml

See the example config files to get an idea of what is possible.

Troubleshooting

Run with increased verbosity:

docker run ... cesanta/docker_auth:1 --v=2 --alsologtostderr /config/auth_config.yml

Contributing

Bug reports, feature requests and pull requests (for small fixes) are welcome. If you require larger changes, please file an issue. We cannot guarantee response but will do our best to address them.

Licensing

Copyright 2015 Cesanta Software Ltd.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this software except in compliance with the License. You may obtain a copy of the License at

   https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

License

FBasels/docker_auth

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