Engineering notes

When the free tier turns off your business

A hosted database provider paused the project, and a real retail operation lost its customer-service platform. The migration to one self-managed VPS, and what 'production' means at €5 a month.

The bug that only existed on real hardware

NOVA RAID shipped CI-green and harness-verified. The first boot on a physical board displayed a color negative. What desktop harnesses can and cannot prove.