7.webapp-svc-clusterip.yaml

# ClusterIP service to expose 3.webapp-pod.yaml within k8s cluster
apiVersion: v1
kind: Service
metadata:
  name: webapp
  namespace: demo
spec:
  type: ClusterIP # Type of service
  selector: # Labels to match the pods within the namespace to route the traffic to.
    tier: frontend
  ports: 
    - name: http # user-defined name for the port
      protocol: TCP # Protocol TCP, UDP and SCTP
      port: 80 # Port that will be exposed to external users
      targetPort: 8080 # Container ports of the targetted pods