From 69efcd94da9a252d202841d5f5365c79a5e01aa8 Mon Sep 17 00:00:00 2001
From: Adam Goldsmith <adam@adamgoldsmith.name>
Date: Wed, 19 Feb 2020 20:43:27 -0500
Subject: [PATCH] Add a port environment variable

---
 src/server.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/server.ts b/src/server.ts
index d9840f9..2eca242 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -13,6 +13,8 @@ import * as expressWs from 'express-ws';
 import * as messages from './messages';
 import * as octoprint from './octoprint';
 
+const PORT = process.env.PORT || 1234;
+
 // Load config
 const config: {
   printers: { address: string; apikey: string }[];
@@ -57,7 +59,7 @@ app.get('/webcam/:printer', (req, res) => {
 let bundler = new Bundler(path.join(__dirname, 'index.html'));
 app.use(bundler.middleware());
 
-app.listen(1234);
+app.listen(PORT);
 
 class PrinterStatus {
   address: string;