Update nginx config

Author: bug-c

nginx/www_app_nginx_domain.conf

@@ -47,8 +47,9 @@ server {
         try_files $uri =404;
         fastcgi_pass unix:/var/run/php-fpm.sock;
         fastcgi_index index.php;
-        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+        fastcgi_param SCRIPT_FILENAME $realpath_root$fastcgi_script_name;
         fastcgi_param SCRIPT_NAME     $fastcgi_script_name;
+        fastcgi_param DOCUMENT_ROOT   $realpath_root;
 
         fastcgi_buffer_size 128k;
         fastcgi_buffers 256 16k;