We had a recent incident where we were unable to properly alert on the fact, that the OAuth proxy was broken. Instead, users were the ones reporting the issue.

We essentially want to alert on internal server errors of the OAuth proxy.

https://docs.google.com/document/d/12z5XwaGb2RWCjrwG7W5W_VSzYteAOGfrl0Jfy_6_pYc/edit#