Node.js debug server

server.js

const { createServer } = require('http');

createServer((req, res) => {
  console.log('--------');
  console.log(JSON.stringify(req.headers, null, 2));
  req.pipe(process.stdout);
  res.writeHead(200, {'Content-Type': 'application/json'});
  res.end(JSON.stringify({ok:true}));
})
.listen(8000);

// Start with `node server.js`
// then send requests to localhost:8000 and look at the logs to inspect the incoming traffic