ingress.yaml

apiVersion: voyager.appscode.com/v1beta1
kind: Ingress
metadata:
  name: fanout-demo
  annotations:
    ingress.appscode.com/type: NodePort
    ingress.appscode.com/force-service-port: "false"
spec:
  rules:
  - http:
      paths:
      - path: /myapp
        backend:
          serviceName: echo
          servicePort: 80
          rewriteRule:
          - '^([^\ ]*\ )/myapp(.*)   \1\2'

servers.sh

kubectl run echoserver --image=gcr.io/google_containers/echoserver:1.4
kubectl expose deployment echoserver --name=echo --port=80 --target-port=8080

https://stackoverflow.com/questions/46865630/kubernetes-fanout-ingress-using-voyager-seems-to-be-not-working/46878389#46878389