migrated Ingresses to nginx 1.0.0

https://blog.hycorve.com/migrating-from-ingress-networking-k8s-io-v1beta1-to-v1/

apps/docker-registry/docker-registry-ui.yaml

@@ -69,11 +69,12 @@ spec:
       app: registry-ui
       release: docker-registry-ui
 ---
-apiVersion: networking.k8s.io/v1beta1
+apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata:
     name: docker-registry-ui
     annotations:
+      kubernetes.io/ingress.class: nginx
       nginx.ingress.kubernetes.io/enable-cors: "true"
       nginx.ingress.kubernetes.io/cors-allow-origin: "*"
       nginx.ingress.kubernetes.io/cors-expose-headers: "*"
@@ -82,7 +83,11 @@ spec:
     - host: cr-ui.lan
       http:
           paths:
-          - backend:
-              serviceName: docker-registry-ui
-              servicePort: http
-            path: / 
+          - path: / 
+            pathType: Prefix
+            backend:
+              service:
+                name: docker-registry-ui
+                port: 
+                  number: 80
+