docker/docs/generated/prometheus-rules.md

Prometheus Rules

File	Group	Alert	Expr	For	Labels	Annotations
monitoring/prometheus/rules/alerts.yml	system	HostHighCPU	100 * (1 - avg by(instance) (rate(node_cpu_seconds_total{mode="idle"}[2m]))) > 90	2m	{'severity': 'warning'}	{'summary': 'High CPU usage on host'}
monitoring/prometheus/rules/alerts.yml	system	ContainerRestarting	increase(container_restart_count[10m]) > 3	1m	{'severity': 'warning'}	{'summary': 'Container restarting frequently'}
monitoring/prometheus/rules/alerts.yml	system	AlwaysFiring	vector(1)	10s	{'severity': 'critical'}	{'summary': 'This alert should always fire'}