anchor.diff:  <% end %>
   
   server {
  -<% if ssl_enabled %>
  +<% if @ssl_enabled %>
       listen 443 ssl;
       ssl_certificate <%= @ssl_certificate %>;
       ssl_certificate_key <%= @ssl_certificate_key %>;
  
positive.code: <% if ssl_enabled %>
  server {
      listen 80;
      server_name <%= @server_name %>;
  
negative.code:         include fastcgi_params;
          fastcgi_param SCRIPT_FILENAME $realpath_root$fastcgi_script_name;
          fastcgi_param DOCUMENT_ROOT $realpath_root;
  <% if @ssl_enabled %>
          fastcgi_param HTTPS on;
  <% else %>
          fastcgi_param HTTPS off;
  