Nginx change img url on 404

img_404_change_url.conf

location ~* (/[^/]+/)?uploads/(.+\.(png|gif|jpe?g)) {
    try_files $uri $uri/ /index.php?q=$uri&$args;
    expires max;
    log_not_found off;
    access_log off;
}

location ~ ^(.*)\/wp-content\/uploads\/(.*)$ {
  try_files $uri @missing;
}

location @missing {
  rewrite "^(.*)/wp-content/uploads/(.*)$" "http://production-url.com$1/wp-content/uploads/$2" redirect;
}