apiVersion: monitoring.coreos.com/v1
kind: Alertmanager
metadata:
  labels:
    alertmanager: main
    app.kubernetes.io/component: router
    app.kubernetes.io/name: alertmanager-main
    app.kubernetes.io/part-of: kube-prometheus
    app.kubernetes.io/version: v0.21.0
  name: main
  namespace: monitoring
spec:
  image: quay.io/prometheus/alertmanager:v0.21.0
  nodeSelector:
    kubernetes.io/os: linux
  podMetadata:
    labels:
      app.kubernetes.io/component: router
      app.kubernetes.io/name: alertmanager-main
      app.kubernetes.io/part-of: kube-prometheus
      app.kubernetes.io/version: v0.21.0
  replicas: 3
  securityContext:
    fsGroup: 2000
    runAsNonRoot: true
    runAsUser: 1000
  serviceAccountName: alertmanager-main
  version: v0.21.0