add kubernetes configuration

12-deploying-containers/kubernetes/nginx-kubernetes.conf

@@ -0,0 +1,37 @@
+server {
+  listen 80;
+  
+  # Kubernetes dns server
+  resolver kube-dns.kube-system.svc.cluster.local valid=5s;
+
+  location /ping {
+        access_log off;
+        add_header 'Content-Type' 'text/plain';
+        return 200 "pong";
+  }
+  location /api/golang/ {
+        proxy_set_header X-Forwarded-Host $host;
+        proxy_set_header X-Forwarded-Server $host;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_http_version 1.1;
+
+        set $api_golang_upstream api-golang.default.svc.cluster.local:8080/;
+        proxy_pass http://$api_golang_upstream;
+  }
+  location /api/node/ {
+        proxy_set_header X-Forwarded-Host $host;
+        proxy_set_header X-Forwarded-Server $host;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_http_version 1.1;
+
+        set $api_node_upstream api-node.default.svc.cluster.local:3000/;
+        proxy_pass http://$api_node_upstream;
+  }
+  location / {
+    root /usr/share/nginx/html;
+    index index.html index.htm;
+    try_files $uri $uri/ /index.html =404;
+  }
+  
+  include /etc/nginx/extra-conf.d/*.conf;
+}