track /07-dashboard-stayed-green

The Dashboard That Stayed Green

For eighty minutes 4% of charges failed while every panel stayed green: the failures were fast and they returned HTTP 200. Build the instrumentation that would have gone red — and prove it under the conditions that fooled the last one.

Intermediate ~6h fastapiprometheusgrafanadocker

Your design doc lives here

Sign in, enroll, and decide the shape before you build it — then find out, in the write-up, how much of it survived contact.