From 746cb1639185df615fbdb470e3a0a8f46a41746c Mon Sep 17 00:00:00 2001
From: Pin Lin <moneycat711@gmail.com>
Date: Fri, 3 Apr 2020 00:40:42 +0800
Subject: [PATCH] Change port by env

---
 src/app.ts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/app.ts b/src/app.ts
index 111c8d0..8baa9ff 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -1,6 +1,8 @@
 import express from 'express';
 import { getLocationOfTarget } from './app.service';
 
+const port = Number(process.env.PORT) || 3000;
+
 const app = express();
 
 app.get('/*', async (req, res) => {
@@ -15,6 +17,6 @@ app.get('/*', async (req, res) => {
     }
 });
 
-app.listen(3000, () => {
-    console.log('Now listening on port 3000!');
+app.listen(port, () => {
+    console.log(`Now listening on port ${port}!`);
 });