express-debugging-notes.js

// app.js
// run this with DEBUG=app node app.js DEBUG=+ node app.js
// Add these to package.json scripts:
// note using nodemon
// "start": "DEBUG=app nodemon app.js",
// "debug": "DEBUG=* nodemon app.js",

const express = require('express');
const chalk = require('chalk');
const debug = require('debug')('app');
const morgan = require('morgan');
const path = require('path');

// in package.json you should have:
// ------package.json----------
//  "nodemonConfig": {
//    "restartable": "rs",
//    "delay": 2500,
//    "env": {
//      "PORT": 4000
//    }
//  }
// ----- end of package.json -----
// type rs to restart the server
const PORT = process.env.PORT || 3000;
const app = express();

app.use(morgan('tiny'));
// if you have a /publc/index.html the next line will serve it 
app.use(express.static(path.join(__dirname, '/public/')));

app.get('/', (req, res) => {
  res.send('Hello from my app');
});

app.listen(PORT, () => {
  debug(`listening on port ${chalk.green(PORT)}`);
});