// DEPENDENCIES
var express = require('express');
var app = express();

var port = process.env.PORT || process.argv[2] || 8080;

app.use(express.static('public'));

app.listen(port);
console.log(`I can hear you on port ${port}!`);

@@ -99,27 +99,8 @@
 T %7C%7C
- process.argv%5B2%5D %7C%7C
  808
@@ -205,8 +205,37 @@
 rt%7D!%60);%0A
+%0Amodule.exports.port = port;%0A

Remove ability to pass port as arg