From 1d4e334a86cabb9581a3ba5305a2019a7bbb540d Mon Sep 17 00:00:00 2001
From: Christopher Chedeau <vjeuxx@gmail.com>
Date: Fri, 20 Apr 2018 09:25:12 -0700
Subject: [PATCH] Restore the ability to use the --port command line argument
 (#588)

The behavior was changed in #516. With this change, both the command line argument and environment variable will work.
---
 lib/start-server.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/start-server.js b/lib/start-server.js
index 9044ab1243..f9e2628c4e 100755
--- a/lib/start-server.js
+++ b/lib/start-server.js
@@ -37,7 +37,7 @@ const program = require('commander');
 
 program.option('--port <number>', 'Specify port number').parse(process.argv);
 
-let port = process.env.PORT || 3000;
+let port = parseInt(program.port, 10) || process.env.PORT || 3000;
 let numAttempts = 0;
 const MAX_ATTEMPTS = 10;
 checkPort();