Simple Nodejs Server

Dockerfile

FROM node:alpine

COPY server.js /

EXPOSE 80

ENTRYPOINT ["node", "/server.js"]

server.js

const http = require('http');
const port = 80;

const ser = http.createServer((req, res) => {
  console.log(req.connection.remoteAddress + ' requested!');
  
  res.writeHead(200, { 'Content-Type': 'text/plain' });
  res.end('okay');
});

ser.listen(port, () => {
  console.log('listening on port ' + port);
});