DevOps · 6 min · 2026-08-25
Observability Basics for Node.js APIs
Structured logs, request IDs, and the few metrics that catch outages early.
You cannot fix what you cannot see.
Propagate a request ID, log structured events, and track latency + error rate per route. Alert on symptoms users feel — not every disk blip.
Start small, then add tracing where fan-out actually hurts.