apiVersion: v1
kind: Service
metadata:
  name: whoami-internal
  namespace: lb-test
spec:
  selector:
    app: whoami
  ports:
    - port: 80
      targetPort: 80
  type: NodePort

---

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  namespace: lb-test
  name: whoami
  annotations:
    alb.ingress.kubernetes.io/scheme: internet-facing
    alb.ingress.kubernetes.io/target-type: instance
spec:
  ingressClassName: alb
  rules:
    - http:
        paths:
        - path: /
          pathType: Prefix
          backend:
            service:
              name: whoami-internal
              port:
                number: 80