https://nodejs.org/en/ or https://github.com/creationix/nvm
For Linux/MacOS preferred is to use NVM:
https://github.com/creationix/nvm#install-script
npm install # install dependencies
npm start # start application
npm grunt # prepare build folder for deployment
See app/app.js
and uncomment the following line to use DEV backend:
envServiceProvider.set('dev');