Li ZhenXi's portfolio: incidents Incidents, near misses and failed releases of this site, each with a blameless write-up. tag:zhenxi0901.github.io,2026:portfolio-status 2026-10-01T04:41:00.000Z Li ZhenXi tag:zhenxi0901.github.io,2026:postmortem-smoke-test False alarm: A failing check on a healthy site 2026-10-01T04:41:00.000Z The smoke test reported /metrics as broken while Cloud Run's logs showed every /metrics request returning 200. tag:zhenxi0901.github.io,2026:postmortem-contact-form Near miss: “Message sent” for messages nobody would read 2026-10-01T04:13:00.000Z For the site's first 3 h 32 min, the contact form said a message was sent while keeping it on a disk that Cloud Run throws away. tag:zhenxi0901.github.io,2026:postmortem-healthz Near miss: The health check that only worked from inside 2026-10-01T03:15:00.000Z Cloud Run's front end answers some paths ending in “z” itself, so /healthz returned 404 to every outside check while the app was healthy.