upstream <%= fetch(:application) %> {
   server unix:/tmp/unicorn.<%= fetch(:application) %>.sock fail_timeout=0;
 }

 server {
   listen 80;
   server_name *.<%= fetch(:project_domain) %> <%= fetch(:project_domain) %>;
   root <%= fetch(:current_path) %>/public;

   location ^~ /assets/ {
     gzip_static on;
     expires max;
     add_header Cache-Control public;
   }

   try_files $uri/index.html $uri @<%= fetch(:application) %>;
   location @<%= fetch(:application) %> {
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
     proxy_set_header Host $http_host;
     proxy_redirect off;
     proxy_pass http://<%= fetch(:application) %>;
   }

   error_page 500 502 504 /500.html;
   client_max_body_size 4G;
   keepalive_timeout 10;

   if (-f $document_root/system/maintenance.html) {
     return 503;
   }
   error_page 503 @maintenance;
   location @maintenance {
     rewrite  ^(.*)$  /system/maintenance.html last;
     break;
   }
 }