My settings:

/* Port on which you would like to run the server */
        "port":5000,
       
        /* development mode allows to see details of request and response in real time when server is running,
        you may leave it empty when run the server in production */
        "mode":"",

-------------------

/* If you have https servers (recommended) you need to fill 3 fields below */
        root: '',
        cert: '',
        key: '',