const express = require('express'); const path = require('path'); const app = express(); const port = 3000; // Defined in compose file const appName = process.env.APP_NAME app.use('/images', express.static(path.join(__dirname, 'images'))); app.use('/', (req, res) => { res.sendFile(path.join(__dirname, 'index.html')); console.log(`Request served by ${appName}`); }); app.listen(port, () => { console.log(`${appName} is listening on port ${port}`); });