Continuous profiling sounds great until you turn it on in a fleet of three hundred pods and your p99 latency doubles. Here is how we instrumented pprof endpoints behind a feature flag, sampled at one percent and shipped flame graphs straight to Grafana.
After two years of running a custom message broker we finally pulled the plug and migrated everything to NATS JetStream. The migration took six weeks of careful planning, three weekends of late-night cutovers and one production incident that we are still apologising for.
Sometimes the right answer is not Hugo or Astro but a file you can read in one sitting. We walked through every line in a guild lunch and somehow shipped a new docs site by the end of the day.
There is no faster way to grow as an engineer than spending an evening with a debugger and a project you depend on every day. Here are the libraries that taught us the most and the exact commits worth bookmarking.
Five years ago this would have been a controversial post. Today we have battle-tested operators, decent storage classes and a community that has finally agreed on backup tooling. Here is the stack we landed on for a fleet of around forty clusters.