Simple hello world in Node, using Fastify for Medium post

hello-world-node-fastify.js

const fastify = require('fastify')();
const port = 8123;

fastify.get('*', (req, res) => {
  res.send('Hello World');
});

fastify.listen(port, () => {
  console.log(`Fastify "Hello World" listening on port ${port}`);
});