anchor.diff:  }
   
   server {
  -  server_name <%= fetch(:server_name) %>;
  +  server_name <%= fetch(:domain_name) %>;
     listen 80;
     root <%= fetch(:deploy_to) %>/current/public;
   
  
positive.code: 
  <% if fetch(:enable_ssl) %>
  server {
    server_name <%= fetch(:server_name) %>;
    listen 443;
    root <%= fetch(:deploy_to) %>/current/public;
  
  
negative.code:   ssl_certificate <%= fetch(:deploy_to) %>/shared/ssl_cert.crt;
    ssl_certificate_key <%= fetch(:deploy_to) %>/shared/ssl_private_key.key;
  }#
  <% end %>
  