Deploy mirrors to the AMR server with CI
It would be worthwhile to have some CI configuration to deploy the mirror definitions automatically each time a commit is made on the master branch.
An alternative would be to directly use gitlab pages, which can serve static content (if the content to serve is directly in the repository, it is just a matter to copy it to a public/ subdir, and call the CI job "pages"). The drawback is that it is not hosted on your premises anymore.