Set up Express framework for Node.js

//1. INSTALL EXPRESS GENERATOR

//Needed to generate Express projects

$ sudo npm install -g express-generator

//2. CREATE THE EXPRESS FOLDER STRUCTURE

$ express [project-name]

//3. SET PORT #

//in bin/www file change '3000' to '8000' or any preferred port number 
var port = normalizePort(process.env.PORT || ‘3000’);

//4. INSTALL ALL EXPRESS DEPENDENCIES

//In the terminal, go to [project-folder] and type

$ npm install 

//5. START NODE SERVER

//In the terminal, type:

$ node bin/www

//or 

$ npm start

//6. TEST IT

//Go to localhost:8000 and if it worked, you’ll see a 'Welcome to Express' page