I keep systems
boring.

Platform and infrastructure engineer. I build the roads other people ship on — clusters, pipelines, the pager rotation.

Below are the times production disagreed with me, and what I did about it. Each one is a real incident, written up properly.

15 writeupsavailable for work

Selected incidents & buildsall 15 →

cert-manager had been failing renewals silently for sixty days. We found out when the ingress started serving expired certs to every client.

A stale negative cache entry took down checkout for four hours. The dashboards were green the entire time.

Logical replication, a shadow cluster, and a cutover rehearsed eleven times before the one that counted.

A single memory limit bump turned a routine deploy into a rolling cascade across three nodes.

GitHub Actions runners on Kubernetes with ARC: no idle VMs overnight and no queue in the morning.

metrics-server went away, the HPA read that as no load, and checkout dropped to its minimum replicas in the middle of a Saturday sale.

Open sourcegithub.com

I keep systemsboring.