intermediate~4h
Monitoring: Logs, Metrics, Prometheus & Grafana
Observability for containerized applications rests on three pillars: logs (discrete event records), metrics (numeric time-series data — request counts, latencies, resource usage), and traces (request
Learning objectives
- Distinguish logs, metrics, and health checks by what each one tells you and what it doesn't.
- Explain how Prometheus actually collects metrics, and why that's architecturally different from how logs are typically shipped.
- Design a minimal but genuinely useful monitoring setup for a containerized service.
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Monitoring: Logs, Metrics, Prometheus & Grafana