anchor.diff:      access_log          /var/log/nginx/<%= server_name %>.access.log;
       error_log           /var/log/nginx/<%= server_name %>.error.log;
   
  -    <% if root_dir != '' %>
  -    root                <%= root_dir %>;
  -    <% end %>
  +    <% if root_dir != '' %>root                <%= root_dir %>;<% end %>
   
       <% if standard_location_block != '' %>
       location / {
  
positive.code:         proxy_redirect off;       
          if (!-f $request_filename) {
              proxy_pass http://<%= standard_location_block %>;
              break;
          }
      }
      <% end %>
  
      <% location_blocks.each_pair do |url, content| %>
      location <%= url %> {
          <%= content %>
      }
      <% end %>
  
  }
  
negative.code: <% upstreams.each_pair do |server_name, upstream_servers| %>
  upstream <%= server_name %> {<% upstream_servers.each do |upstream_server| %>
      server              <%= upstream_server %>;<% end %>
  }<% end %>
  
  server {        
      listen              <%= define_port %>;
  