In ingress I want to reverse proxy path request to external public domain , how . . .

Rajdeep Bhattacharya:
In ingress I want to reverse proxy path request to external public domain , how can I do that ? To explain my problem statement more clearly

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  annotations:
    <http://kubernetes.io/ingress.class|kubernetes.io/ingress.class>: nginx
    <http://nginx.ingress.kubernetes.io/enable-cors|nginx.ingress.kubernetes.io/enable-cors>: "true"
    <http://nginx.ingress.kubernetes.io/use-regex|nginx.ingress.kubernetes.io/use-regex>: "true"
    <http://nginx.ingress.kubernetes.io/rewrite-target|nginx.ingress.kubernetes.io/rewrite-target>: /$1
    <http://nginx.ingress.kubernetes.io/cors-allow-headers|nginx.ingress.kubernetes.io/cors-allow-headers>: "Authorization, Cache-Control, Content-Type, DNT, If-Modified-Since, Range, User-Agent, X-Requested-With, X-Ridge-RequestID"
    <http://nginx.ingress.kubernetes.io/cors-allow-methods|nginx.ingress.kubernetes.io/cors-allow-methods>: "PUT, GET, POST, OPTIONS, PATCH, DELETE"
    <http://nginx.ingress.kubernetes.io/cors-allow-credentials|nginx.ingress.kubernetes.io/cors-allow-credentials>: "true"
    <http://nginx.ingress.kubernetes.io/client-max-body-size|nginx.ingress.kubernetes.io/client-max-body-size>: 50m
    <http://nginx.ingress.kubernetes.io/proxy-request-buffering|nginx.ingress.kubernetes.io/proxy-request-buffering>: "off"
    <http://nginx.ingress.kubernetes.io/proxy-body-size|nginx.ingress.kubernetes.io/proxy-body-size>: 50m
    <http://nginx.ingress.kubernetes.io/proxy-read-timeout|nginx.ingress.kubernetes.io/proxy-read-timeout>: "3600"
    <http://nginx.ingress.kubernetes.io/proxy-send-timeout|nginx.ingress.kubernetes.io/proxy-send-timeout>: "3600"
  name: ui-ingress-public
spec:
  rules:
  - host: <http://testing.beta.com|testing.beta.com>
    http:
      paths:
      - path: /
        backend:
          serviceName: ui
          servicePort: 80
      - path: /api/catalog/v1/
        backend:
          serviceName: api
          servicePort: 80

Now I have another uri /example which I want to reverse proxy to https://auth-testing.example.com , how we do that in ingress ?

Hinodeya:
why are you using the v1beta1 ?