Add observability stack: ServiceMonitors, Tempo, OTel API instrumentation, dashboards

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- Add ServiceMonitors for Traefik, ArgoCD, and Longhorn
- Enable cert-manager ServiceMonitor via helm values
- Deploy Grafana Tempo for distributed tracing (single-binary, Longhorn PVC)
- Add Tempo datasource with trace-to-logs and trace-to-metrics correlation
- Instrument API with OpenTelemetry SDK (Prometheus metrics + OTLP traces)
- Replace console.log with pino structured logging + pino-http middleware
- Add Grafana dashboards for Traefik, API overview, and PostgreSQL (CNPG)

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This commit is contained in:

Julia McGhee

2026-03-20 21:00:48 +00:00

parent 8a23d5d5f6

commit 051c957347

23 changed files with 2259 additions and 11 deletions

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