kubernetes-handbook/manifests/openfaas/monitoring.yml

apiVersion: v1
kind: Service
metadata:
  name: prometheus
  labels:
    app: prometheus
spec:
  type: NodePort
  ports:
    - port: 9090
      protocol: TCP
      targetPort: 9090
      nodePort: 31119
  selector:
    app: prometheus
---
apiVersion: apps/v1beta1 # for versions before 1.6.0 use extensions/v1beta1
kind: Deployment
metadata:
  name: prometheus
spec:
  replicas: 1
  template:
    metadata:
      labels:
        app: prometheus
    spec:
      containers:
      - name: prometheus
        image: harbor-001.jimmysong.io/library/prometheus:latest-k8s
        command: ["prometheus","-config.file=/etc/prometheus/prometheus.yml", "-storage.local.path=/prometheus", "-storage.local.memory-chunks=10000", "--alertmanager.url=http://alertmanager.default:9093"]
        ports:
        - containerPort: 9090
          protocol: TCP
        resources:
          requests:
            memory: 512Mi
          limits:
            memory: 512Mi

---
apiVersion: v1
kind: Service
metadata:
  name: alertmanager
  labels:
    app: alertmanager
spec:
  type: NodePort
  ports:
    - port: 9093
      protocol: TCP
      targetPort: 9093
      nodePort: 31113
  selector:
    app: alertmanager
---
apiVersion: apps/v1beta1 # for versions before 1.6.0 use extensions/v1beta1
kind: Deployment
metadata:
  name: alertmanager
spec:
  replicas: 1
  template:
    metadata:
      labels:
        app: alertmanager
    spec:
      containers:
      - name: alertmanager
        image: harbor-001.jimmysong.io/library/alertmanager:latest-k8s
        command: ["/bin/alertmanager","-config.file=/alertmanager.yml", "-storage.path=/alertmanager"]
        ports:
        - containerPort: 9003
          protocol: TCP
        resources:
          requests:
            memory: 20Mi
          limits:
            memory: 30Mi