Elysia TypeScript

import { Elysia } from 'elysia';

const GIF = Buffer.from('R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==', 'base64');

new Elysia()
  .get('/pixel.gif', ({ set }) => {
    set.headers['content-type'] = 'image/gif';
    set.headers['cache-control'] = 'no-store';
    return GIF;
  })
  .listen(8080);