[Add] nginx config to include improvements for server side hosting an…

…d adding no-caching

COMETwebapp.sln

@@ -19,6 +19,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		CODE_OF_CONDUCT.md = CODE_OF_CONDUCT.md
 		LICENSE = LICENSE
 		LICENSE-APACHE 2.0 = LICENSE-APACHE 2.0
+		nginx = nginx
 		NOTICE = NOTICE
 		Nuget.Config = Nuget.Config
 		README.md = README.md

nginx

@@ -0,0 +1,34 @@
+map $http_connection $connection_upgrade {
+    "~*Upgrade" $http_connection;
+    default keep-alive;
+}
+
+server {
+        server_name comet-web.cdp4.org;
+
+        location / {
+            proxy_pass http://127.0.0.1:8086;
+
+            # Configuration for WebSockets
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection $connection_upgrade;
+            proxy_cache off;
+
+            # WebSockets were implemented after http/1.0
+            proxy_http_version 1.1;
+
+            # Configuration for LongPolling or if your KeepAliveInterval is longer than 60 seconds
+            proxy_read_timeout 100s;
+
+            proxy_set_header Host $host;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+
+            # kill cache
+            add_header Last-Modified $date_gmt;
+            add_header Cache-Control 'no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0';
+            if_modified_since off;
+            expires off;
+            etag off;
+        }
+}