Simple Node.js hello world for App Engine standard

app.yaml

runtime: nodejs8

package.json

{
  "name": "hello-world",
  "version": "1.0.0",
  "description": "Oh hi there",
  "scripts": {
    "start": "node server.js"
  },
  "author": "Myles Borins <mylesborins@google.com>",
  "license": "Apache-2.0",
  "dependencies": {
    "express": "^4.16.2"
  }
}

server.js

const express = require('express');
const app = express();

app.get('/', (req, res) => {
  res.send('🎉 Hello Node.js on App Engine Standard! 🎉');
});

const server = app.listen(process.env.PORT || 8080, () => {
  const host = server.address().address;
  const port = server.address().port;

  console.log(`Example app listening at http://${host}:${port}`);
});