const http = require('http');
const PORT = process.env.PORT || 3000;

http.createServer((req, res) => {
  if (req.url === '/health') {
    res.writeHead(200, { 'Content-Type': 'application/json' });
    res.end('{"status":"ok"}');
  } else {
    res.writeHead(200, { 'Content-Type': 'text/plain' });
    res.end('Say OK');
  }
}).listen(PORT, () => console.log(':' + PORT));