Update ingress.yaml

Author: nnqq

deploy/ingress.yaml

@@ -3,7 +3,7 @@ kind: Ingress
 metadata:
   name: backend
   annotations:
-    kubernetes.io/ingress.class: nginx-2
+    kubernetes.io/ingress.class: nginx
     nginx.ingress.kubernetes.io/force-ssl-redirect: "true"
     cert-manager.io/cluster-issuer: letsencrypt
 spec: