Node.js

server.js

var http = require('http');
var settings = require('./settings');
console.log(settings);
var server = http.createServer();
server.on('request', function(req, res) {
    res.writeHead(200, {'Content-Type': 'text/plain'});
    res.write('hello world !!!');
    res.end();
});
server.listen(settings.port, settings.host);
console.log("server listening ...");

settings.js

exports.port = 1337;
exports.host = '192.168.33.72';