Field notes

Articles & hands-on
from the engine room.

Long reads, postmortems, and step-by-step labs from the team building Horion — how we score, instrument and review production systems.

3 entries · updated continuously

The first score we shipped, nobody trusted. Here is how we rebuilt the rubric — pillar by pillar — and what changed in PR reviews.

Wire the OTel SDK, point it at the collector, and verify your first distributed trace — copy/paste guided, end to end.

One async consumer, no structured logs, a queue silently filling up — and the logging pattern we now require for every async job.