deploy: helm charts templates for single-node (#587)

install/helm-single/templates/ingress.yaml

@@ -0,0 +1,20 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: hydro-ingress
+  annotations:
+    kubernetes.io/ingress.class: traefik
+    ingress.kubernetes.io/ssl-redirect: "false"
+  namespace: hydro-namespace
+spec:
+  rules:
+    - host: "backend.boo.foo" # 如果不需要当然也可以去掉HostName
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: backend-service-service
+                port:
+                  name: backend-cluster-endpoint