I'm not sure that this is the dashboard that lavamind had in mind when
he mentioned it on IRC. The URL does show some "healthy" indicator after
running some self-diagnostics, so it's already some information..

howto/gitlab.md

@@ -1904,7 +1904,7 @@ order to gain confidence that everything is still working:
   * [ ] running a ci pipeline with build artifacts
 * [ ] pulling an image from containers.tpo
 * [ ] checking if the api is responsive (TODO add example test command)
-* [ ] look at the web dashboard in the admin section (TODO add URL to that dashboard)
+* [ ] look at the [web dashboard](https://gitlab.torproject.org/admin/health_check) in the admin section
 
 ## Logs