feat: initial Nginx templates

snippets/proxy.conf.template

@@ -0,0 +1,10 @@
+# set headers
+proxy_set_header Host              $host;
+proxy_set_header X-Real-IP         $remote_addr;
+proxy_set_header X-Forwarded-For   $proxy_add_x_forwarded_for;
+proxy_set_header X-Forwarded-Proto $scheme;
+
+# enable websockets: http://nginx.org/en/docs/http/websocket.html
+proxy_http_version 1.1;
+proxy_set_header Upgrade $http_upgrade;
+proxy_set_header Connection $connection_upgrade;