Multi-service systems with understandable responsibilities
How separate web, API, realtime, worker, search and backup services should map to real responsibilities.
Tagged #operation
Notes on business-critical software, system boundaries, controls, lifecycle decisions and operating evidence. Every note here is a local draft or a planned brief for editorial review. Nothing is published yet.
Staging is not production evidence
Why staging, local and report-only work needs different labels from production, and how to keep them honest.
What a useful engineering handover needs to explain
Operating context, services, responsibilities and regression evidence that the next team will need.
CVE response and regression evidence
A method-led look at patching a critical vulnerability and proving behaviour is preserved.
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