Improve monitoring for the docker registry
- Add checks for 4xx's and 5xx's
- Reverts a change for
prd
by ensuring the query does not look for the registry backends- The goal here is to remove one of the many backends for which we need to search for in order to figure out where the 4xx's are coming from at the point of the alert
Signed-off-by: John T Skarbek jtslear@gmail.com