helloworld-healthcheck.yml

apiVersion: apps/v1
kind: Deployment
metadata: 
  name: helloworld-deployment
spec:
  replicas: 3
  selector:
    matchLabels:
      app: helloworld
  template:
    metadata: 
      labels:
        app: helloworld
    spec: 
      containers:
      - name: k8s-demo
        image: arjunachari12/k8s-demo
        ports:
        - name: nodejs-port
          containerPort: 3000
        livenessProbe:
          httpGet:
            path: /
            port: nodejs-port
          initialDelaySeconds: 15
          timeoutSeconds: 30