##INSTALL##

$ mkdir myapp

$ cd myapp

npm init

npm install express --save

npm install express

nodemon index.js

##EXPRESS CONFIG##

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

// respond with "hello world" when a GET request is made to the homepage
app.get('/', function(req, res) {
  res.send('hello world');
});

##SERVER CONFIG##

app.listen(3000, () => {
    console.log("server up");
})