text: // get the http module:copy
  var http = require('http');
  // fs module allows us to read and write content for responses!!
  var fs = require('fs');
  // creating a server using http module:
  var server = http.createServer(function (request, response){
      // see what URL the clients are requesting:
      console.log('client request URL: ', request.url);
      // this is how we do routing:
      if(request.url === '/') {
          fs.readFile('index.html', 'utf8', function (errors, contents){
              response.writeHead(200, {'Content-Type': 'text/html'});  // send data about response
              response.write(contents);  //  send response body
              response.end(); // finished!
          });
      }
      // request didn't match anything:
      else {
          response.writeHead(404);
          response.end('File not found!!!');
      }
  });
  // tell your server which port to run on
  server.listen(6789);
  // print to terminal window
  console.log("Running in localhost at port 6789");