Https //localhost 11501 !!top!! -

const options = { key: fs.readFileSync('server.key'), cert: fs.readFileSync('server.cert') };

app.get('/', (req, res) => { res.send('Hello from localhost:11501'); }); https //localhost 11501

It looks like you're referencing a localhost address with port 11501 — but the URL is missing the colon after https (should be https://localhost:11501 ). const options = { key: fs