Fix subpath ingress usasge

Author: vdboor

deployment/kustomize/environments/prd/ingress.yml

@@ -32,6 +32,7 @@ kind: Ingress
 metadata:
   name: fluentdemo-media
   annotations:
+    kubernetes.io/ingress.class: nginx
     nginx.ingress.kubernetes.io/proxy-buffering: "on"
     nginx.ingress.kubernetes.io/configuration-snippet: |
       proxy_cache static-cache;
@@ -58,6 +59,7 @@ kind: Ingress
 metadata:
   name: fluentdemo-static
   annotations:
+    kubernetes.io/ingress.class: nginx
     nginx.ingress.kubernetes.io/proxy-buffering: "on"
     nginx.ingress.kubernetes.io/configuration-snippet: |
       proxy_cache static-cache;

deployment/kustomize/environments/tst/ingress.yml

@@ -35,6 +35,8 @@ apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata:
   name: fluentdemo-authexclude
+  annotations:
+    kubernetes.io/ingress.class: nginx
 spec:
   rules:
     - host: demo-tst.django-fluent.org
@@ -54,6 +56,7 @@ kind: Ingress
 metadata:
   name: fluentdemo-media
   annotations:
+    kubernetes.io/ingress.class: nginx
     nginx.ingress.kubernetes.io/proxy-buffering: "on"
     nginx.ingress.kubernetes.io/configuration-snippet: |
       proxy_cache static-cache;
@@ -80,6 +83,7 @@ kind: Ingress
 metadata:
   name: fluentdemo-static
   annotations:
+    kubernetes.io/ingress.class: nginx
     nginx.ingress.kubernetes.io/proxy-buffering: "on"
     nginx.ingress.kubernetes.io/configuration-snippet: |
       proxy_cache static-cache;