apiVersion: monitoring.coreos.com/v1 kind: Prometheus metadata: name: prometheus labels: prometheus: k8s spec: externalLabels: cluster: docker-desktop replicas: 1 version: v2.13.1 serviceAccountName: prometheus serviceMonitorSelector: matchExpressions: - key: k8s-app operator: In values: - node-exporter - kube-state-metrics - apiserver - kubelet ruleSelector: matchLabels: role: alert-rules prometheus: k8s resources: requests: memory: 400Mi alerting: alertmanagers: - namespace: monitoring name: alertmanager-main port: web