Build production observability in 2026: structured logging with Pino, metrics with Prometheus/Grafana, distributed tracing with OpenTelemetry, error tracking with Sentry, and alerting.
Build a production logging stack in 2026 with Grafana Loki: Promtail log shipping, LogQL queries, structured JSON logging, Kubernetes log collection, Grafana dashboards, log-based alerting, and the full PLG stack (Promtail + Loki + Grafana).
Unify logs, metrics, traces, and profiles in Grafana. Learn Prometheus recording rules, Loki LogQL, Tempo distributed tracing, and correlate signals for faster incident resolution.
Complete OpenTelemetry setup for Node.js, auto-instrumentation, custom spans, trace propagation, OTLP export to Tempo/Jaeger, sampling strategies, and production alerting.