app.js

const http = require('http');
const os = require('OS');
console.log("Kubi a server starting ... ");
var handler = function(request, response);
console.log("Received request from " + request.connection.remoteAddress);
response.writeHead(200);
response.end("You've hit " + os.hostname() + "\n" );
var www = http.createServer(handler);
www.listen(8080);

Dockerfile

FROM node:7
ADD app.js /app.js
ENTRYPOINT ["node","app.js"]