apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  name: frontend
  namespace: default
  labels:
    tier: frontend
spec:
  selector:
    matchLabels:
      tier: frontend
  targetLabels:
    - tier
  endpoints:
  - port: web
    interval: 10s
  namespaceSelector:
    matchNames:
      - default