nginx JavaScript (njs) JavaScript
A JavaScript snippet for nginx JavaScript (njs) that answers requests for /pixel.gif with the empty GIF, decoded once at startup.
nginx JavaScript (njs) JavaScript
// pixel.js - loaded by nginx.conf:
//
// load_module modules/ngx_http_js_module.so;
// http {
// js_import pixel.js;
// server {
// listen 8080;
// location = /pixel.gif { js_content pixel.serve; }
// }
// }
const GIF = Buffer.from('R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==', 'base64');
function serve(r) {
r.headersOut['Content-Type'] = 'image/gif';
r.headersOut['Cache-Control'] = 'no-store';
r.return(200, GIF);
}
export default { serve };
We ran this snippet and compared the bytes it returned.
Check it
curl -sI http://localhost:8080/pixel.gifOfficial site: nginx JavaScript (njs)