expressjs - Expressjs is a nodejs web application framework that gives us the ability to create quick and easy APIs
momentjs - This gives us the ability to validates and manipulates dates
uuid npm package](https://www.npmjs.com/package/uuid)
babeljs - Since we'll be writing all our JavaScript code using ES6, babeljs will help in converting our ES6 codes to ES5
babel watch - This is needed for development. One thing that babel watch package does is to compile our code and reload the server each time we make changes to our code.
$ npm install --save express moment uuid $ npm install --save-dev babel-cli babel-preset-env babel-watch