const express = require("express"); var exphbs = require('express-handlebars'); const app = express(); app.engine('handlebars', exphbs()); app.set('view engine', 'handlebars'); app.use(express.static("public")); app.get("/:roomId/join", (request, response) => { response.render('join', {layout: false, room: request.params.roomId}); }); app.post("/:roomId/join", (request, response) => { response.render('room', {layout: false, room: request.params.roomId}); }); const listener = app.listen(process.env.PORT, () => { console.log("Your app is listening on port " + listener.address().port); });