"Day 7 of the 60-day Production Engineering challenge. We build a complete Prometheus monitoring stack from scratch using Docker Compose, including node_exporter, custom application metrics, alerting rules, and Alertmanager configuration.
Topics covered:
- Docker Compose stack architecture
- Prometheus configuration and scrape configs
- metric_relabel_configs vs relabel_configs
- Custom application instrumentation
- Alert rules that reduce fatigue
- Alertmanager routing
- Verification and validation
#Prometheus #SRE #Monitoring #DevOps #ProductionEngineering"