How we reduced 502 errors by caring about PID 1 in Kubernetes

For every deploy, scale down event, or pod termination, users of GitLab's Pages service were experiencing 502 errors. This explains how we found the root cause and rolled out a fix for it.

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Puma Webservice ,Gitlab Inc ,Service Endpoint ,Gitlab Pages ,Lab Pages ,Gitlab Workhorse ,Lab Workhorse ,Google Cloud Platform ,