Fix listening on port

client/app.js

@@ -49,12 +49,14 @@ app.get("/*", (req, res) => {
   res.render("404");
 });
 
-app.listen(process.env.PORT || 80);
-
 if (process.env.NODE_ENV === "production") {
+  console.log("Starting server in production mode");
   const options = {
     cert: fs.readFileSync("./certs/fullchain.pem"),
     key: fs.readFileSync("./certs/privkey.pem"),
   };
   https.createServer(options, app).listen(8443);
+} else {
+  console.log("Starting server in debug mode");
+  app.listen(process.env.PORT || 80);
 }