add demo application

examples/demo-app/raw/ingress.yaml

@@ -0,0 +1,31 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: demo-app-ingress
+  labels:
+    name: demo-app-ingress
+  annotations:
+    cert-manager.io/cluster-issuer: "demo-app-issuer"
+    nginx.ingress.kubernetes.io/cors-allow-headers: Authorization,Accept,Origin,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range
+    nginx.ingress.kubernetes.io/enable-cors: "true"
+    nginx.ingress.kubernetes.io/proxy-buffer-size: 128k
+    nginx.ingress.kubernetes.io/proxy-buffers: 4 256k
+    nginx.ingress.kubernetes.io/proxy-busy-buffers-size: 256k
+    nginx.ingress.kubernetes.io/ssl-redirect: "true"
+spec:
+  ingressClassName: nginx
+  tls:
+    - hosts:
+        - demo.dev.kvazaric.ru
+      secretName: kvazaric-frontend-tls
+  rules:
+    - host: demo.dev.kvazaric.ru
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: kvazaric-frontend-frontend
+                port:
+                  number: 80