NGINX Config PHP - Rails

gistfile1.nginxconf

upstream rails {
  server 127.0.0.1:3000;
  server 127.0.0.1:3001;
  server 127.0.0.1:3002;
}

server {
  listen 80;
  server_name ~^(?<domain>[^\.]+)\.(?<tld>[^\.]+)$;
  root /var/www/vhosts/$domain.$tld/htdocs;
  
  location / {
    index index.html index.htm index.php;
    proxy_set_header  X-Real-IP  $remote_addr;
    proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header  Host $http_host;
    proxy_redirect  off;
    try_files /system/maintenance.html $uri $uri/index.html $uri.html @ruby;
  }
  
  location ~* \.php$ {
    fastcgi_index   index.php;
    fastcgi_pass    unix:/var/run/php5-fpm.sock;
    include         fastcgi_params;
    fastcgi_param   SCRIPT_FILENAME    /var/www/vhosts/$domain.$tld/htdocs$fastcgi_script_name;
  }
  
  location @ruby {
    proxy_pass http://myapp;
  }
}

# config sottodominio
server {
  listen 80;
  server_name ~^(?<sub>[^\.]*)\.?(?<domain>[^\.]+)\.(?<tld>[^\.]+)$;
  root /var/www/vhosts/$domain.$tld/subs/$sub/htdocs;
  
  location / {
    index index.html index.htm index.php;
    proxy_set_header  X-Real-IP  $remote_addr;
    proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header  Host $http_host;
    proxy_redirect  off;
    try_files /system/maintenance.html $uri $uri/index.html $uri.html @ruby;
  }
  
  location ~* \.php$ {
    fastcgi_index   index.php;
    fastcgi_pass    unix:/var/run/php5-fpm.sock;
    include         fastcgi_params;
    fastcgi_param   SCRIPT_FILENAME    /var/www/vhosts/$domain.$tld/subs/$sub/htdocs$fastcgi_script_name;
  }
  
  location @ruby {
    proxy_pass http://rails;
  }
}