groups:
  - name: functional_scaffold_alerts
    interval: 30s
    rules:
      - alert: HighErrorRate
        expr: rate(http_requests_total{status="error"}[5m]) > 0.05
        for: 5m
        labels:
          severity: warning
        annotations:
          summary: "High error rate detected"
          description: "Error rate is {{ $value }} requests/sec for {{ $labels.endpoint }}"

      - alert: HighLatency
        expr: histogram_quantile(0.95, rate(http_request_duration_seconds_bucket[5m])) > 1
        for: 5m
        labels:
          severity: warning
        annotations:
          summary: "High latency detected"
          description: "P95 latency is {{ $value }}s for {{ $labels.endpoint }}"

      - alert: ServiceDown
        expr: up{job="functional-scaffold"} == 0
        for: 1m
        labels:
          severity: critical
        annotations:
          summary: "Service is down"
          description: "FunctionalScaffold service has been down for more than 1 minute"

      - alert: HighMemoryUsage
        expr: container_memory_usage_bytes{container="functional-scaffold"} / container_spec_memory_limit_bytes{container="functional-scaffold"} > 0.9
        for: 5m
        labels:
          severity: warning
        annotations:
          summary: "High memory usage"
          description: "Memory usage is {{ $value | humanizePercentage }} of limit"