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Port forward and external IP to Pods Kubernetes service

NodePort example expose port to Kubernetes API​

apiVersion: v1
kind: Service
metadata:
  name: nginx-service
spec:
  type: NodePort
  selector:
    app: nginx
  ports:
    - port: 80
      targetPort: 80
      nodePort: 30080

LoadBalancer example expose pod to external LAN IP with MetalLB​

apiVersion: v1
kind: Service
metadata:
  name: mongodb-service
spec:
  selector:
    app: mongodb
  ports:
  - protocol: TCP
    port: 27017
    targetPort: 27017
  type: LoadBalancer