k8s-config.yaml

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nodeapp
  labels:
    app: nodeapp
spec:
  selector:
    matchLabels:
      app: nodeapp
  template:
    metadata:
      labels:
        app: nodeapp
    spec:
      imagePullSecrets:
      - name: docker-hub-key
      containers:
      - name: nodeapp
        image: 977977/node-prometheus
        ports:
        - containerPort: 3000
        imagePullPolicy: Always  
---
apiVersion: v1
kind: Service
metadata:
  name: nodeapp
  labels:
    app: nodeapp
spec:
  type: ClusterIP
  selector:
    app: nodeapp
  ports:
  - name: service
    protocol: TCP
    port: 3000
    targetPort: 3000
---
apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  name: monitoring-node-app
  labels:
    release: monitoring
    app: nodeapp
spec:
  endpoints:
  - path: /metrics
    port: service
    targetPort: 3000
  namespaceSelector:
    matchNames:
    - default
  selector:
    matchLabels:
      app: nodeapp