const badgen = require('badgen') module.exports = function serve404 (req, res) { res.writeHead(404, { 'Content-Type': 'image/svg+xml;charset=utf-8', 'Cache-Control': 'public, max-age=360, s-maxage=86400' }) res.end(badgen({ subject: 'Badgen', status: '404', color: 'red' })) }