const PlaybackStream = require('playback-stream');
 
const playback = new PlaybackStream();
 
request('https://placekitten.com/600/400').pipe(playback);
http.createServer((req, resp) => {
  resp.writeHead(200, { 'Content-Type': 'image/jpeg' });
  playback.newReadableSide().pipe(resp);
}).listen(8080);