From 2fe84ecded55f1d5258d91f9c2c07698ae0d2fb4 Mon Sep 17 00:00:00 2001
From: Dan Abramov <dan.abramov@gmail.com>
Date: Wed, 27 Jul 2016 21:47:14 +0100
Subject: [PATCH] Respect process.env.PORT

---
 scripts/start.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/start.js b/scripts/start.js
index 0babf3478..290e8bc9b 100644
--- a/scripts/start.js
+++ b/scripts/start.js
@@ -19,7 +19,8 @@ var detect = require('detect-port');
 var prompt = require('./utils/prompt');
 var config = require('../config/webpack.config.dev');
 
-var DEFAULT_PORT = 3000;
+// Tools like Cloud9 rely on this
+var DEFAULT_PORT = process.env.PORT || 3000;
 var compiler;
 
 // TODO: hide this behind a flag and eliminate dead code on eject.
-- 
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