// Fetch from origin or upstream ghost const upstream = setInterval(() => res.write( Frame: $Date.now()\n ); , 100);

req.on('close', () => clearInterval(upstream); activeConnections--; if (activeConnections === 0) // Self-terminate after 2 seconds grace setTimeout(() => process.exit(0), 2000);

); );

const PORT = process.env.PORT || 8080; app.listen(PORT, () => console.log( Ghost $sessionId ready on port $PORT ); );

// ghost-server.js – runs inside a stateless container const express = require('express'); const v4: uuid = require('uuid'); const app = express(); const sessionId = uuid(); let activeConnections = 0;