[...]
 apiVersion: extensions/v1beta1
 kind: Ingress
 metadata:
   name: test
 spec:
   rules:
   - host: foo.bar.com
     http:
       paths:
       - backend:
           serviceName: s1
           servicePort: 80
   - host: bar.foo.com
     http:
       paths:
       - backend:
           serviceName: s2
           servicePort: 80
 [...]