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diff --git a/doc/development/architecture.md b/doc/development/architecture.md index ae880e3deb6..115c8cfb9ff 100644 --- a/doc/development/architecture.md +++ b/doc/development/architecture.md @@ -158,6 +158,18 @@ TODO TODO +### Registry + +The registry is what users use to store their own Docker images. The bundled +registry uses nginx as a load balancer and GitLab as an authentication manager. +Whenever a client requests to pull or push an image from the registry, it will +return a `401` response along with a header detailing where to get an +authentication token, in this case the GitLab instance. The client will then +request a pull or push auth token from GitLab and retry the original request +to the registry. Learn more about [token authentication](https://docs.docker.com/registry/spec/auth/token/). + +An external registry can also be configured to use GitLab as an auth endpoint. + ## GitLab by Request Type GitLab provides two "interfaces" for end users to access the service: |