Youtube Thumb server with NGINX

youtube-nginx.conf

server {
	server_name youtube.flerovio.dev;

	location @404 {
		return 302 /sq$request_uri;
	}

	error_page 404 = @404;

	location ~ /sq/(.+) {
		proxy_intercept_errors off;
		proxy_redirect off;
		resolver 8.8.8.8;
		proxy_pass http://img.youtube.com/vi/$1/hqdefault.jpg;
	}

	location ~ /(.+) {
		proxy_intercept_errors on;
		proxy_redirect off;
		resolver 8.8.8.8;
		proxy_pass http://img.youtube.com/vi/$1/maxresdefault.jpg;
	}

}