The default update order stops a task before starting its replacement, so capacity dips during every deploy — invisible at eight replicas, a visible outage at two. failure_action:…
A message that fails its retries has to go somewhere, and a dedicated transport plus two commands is a dead letter queue with an operator interface. Being able…
The restore is the part that fails, and finding that out during an incident is the worst possible moment to discover the dump has been missing a table…
The header is one line. The work is finding out what it will break — which means report-only for weeks, and reading violations that are mostly not your…
A healthcheck describes how to tell whether this particular software is working, which is knowledge that belongs with the image rather than with each stack that uses it.…
Routing failed messages somewhere they cannot block the main queue is the correct design, and it converts a loud failure into a silent one unless something alerts on…