Monitoring & Observability When to use this skill - Before Production Deployment : Essential monitoring system setup - Performance Issues : Identify bottlenecks - Incident Response : Quick root cause identification - SLA Compliance : Track availability/response times Instructions Step 1: Metrics Collection (Prometheus) Application Instrumentation (Node.js): prometheus.yml : Step 2: Alert Rules alert rules.yml : Step 3: Log Aggregation (Structured Logging) Winston (Node.js) : Step 4: Grafana Dashboard dashboard.json (example): Step 5: Health Checks Advanced Health Check : Output format Monitor…