Make sure you're using Mac/Linux. Many of the npm dependencies for this project don't play nicely with Windows.
Make sure you have Node Version Manager (nvm) installed.
nvm install 6 to install the latest version of Nodejs.
Make sure you
To start the server in development mode, use
npm run dev. The server will start on port 8080. You shouldn't need to restart the server in this mode even if you make changes, as the server will update as you save. Some functionality things will even update without you having to refresh. If you run into any issues though, it might be a good idea to refresh the page or restart the server.