Networking between two pods

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I'm still a noob in kubernetes. it would be great if someone gave me an example with yaml file for the following requirement:

  • I need two pods running 
  • One as backend and the other as frontend
  • I need a way to network between them
Sep 24, 2018 in Kubernetes by Hannah
• 14,080 points
19 views

1 answer to this question.

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Define service resources for both your front-end and back-end application, this allows communication between them which is required for networking.

apiVersion: v1
kind: Service
metadata:
  name: backend
spec:
  selector:
    app: backend
  ports:
    - protocol: TCP
      port: 80
      targetPort: 8080

Next you define the ingress resources since both the services need access from outside the cluster.

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: frontend
spec:      
  rules:
  - host: www.your-application.example
    http:
      paths:
      - path: /
        backend:
          serviceName: frontend
          servicePort: 80
---
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: backend
spec:      
  rules:
  - host: api.your-application.example
    http:
      paths:
      - path: /
        backend:
          serviceName: backend
          servicePort: 80
answered Sep 24, 2018 by Kalgi
• 37,320 points

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