myFirstHTTPServer.js

//Lets require/import the HTTP module
var http = require('http');

//Lets define a port we want to listen to
const PORT=8080; 

//We need a function which handles requests and send response
function handleRequest(request, response){
    response.setHeader('Content-Type', 'application/json');
	var fs = require('fs');
	var obj = JSON.parse(fs.readFileSync('sample.json', 'utf8'));
	// Website you wish to allow to connect
    response.setHeader('Access-Control-Allow-Origin', 'file:///C:/_my_stuff/cluj_rental/google-maps.html');

    // Request methods you wish to allow
    response.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');

    // Request headers you wish to allow
    response.setHeader('Access-Control-Allow-Headers', 'X-Requested-With,content-type');

    // Set to true if you need the website to include cookies in the requests sent
    // to the API (e.g. in case you use sessions)
    response.setHeader('Access-Control-Allow-Credentials', true);

    response.end(JSON.stringify(obj), null, 3);
}

//Create a server
var server = http.createServer(handleRequest);

//Lets start our server
server.listen(PORT, function(){
    //Callback triggered when server is successfully listening. Hurray!
    console.log("Server listening on: http://localhost:%s", PORT);
});