implementation.yaml

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: ingress-resource-backend
spec:
  ingressClassName: nginx
  rules:
    - http:
        paths:
          - path: /
            pathType: ImplementationSpecific
            backend:
              service:
                port:
                  number: 80
                name: echo-service
---
apiVersion: v1
kind: Service
metadata:
  name: echo-service
  labels:
    app: echo
spec:
  selector:
    app: echo
  ports:
    - protocol: TCP
      port: 80
      targetPort: 80
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: echo-deployment
  labels:
    app: echo
spec:
  replicas: 1
  selector:
    matchLabels:
      app: echo
  template:
    metadata:
      labels:
        app: echo
    spec:
      containers:
        - name: echo
          image: "registry.k8s.io/ingress-nginx/e2e-test-echo@sha256:778ac6d1188c8de8ecabeddd3c37b72c8adc8c712bad2bd7a81fb23a3514934c"
          ports:
            - containerPort: 80