Updated port

Procfile

@@ -1 +1 @@
-web: npm run start
+web: npm start

index.js

@@ -1,7 +1,7 @@
 const express = require('express')
 const os = require('os')
 const app = express()
-const port = 3000
+const port = process.env.PORT || 5000
 
 app.get('/', (req, res) => {
   res.json({
@@ -13,4 +13,4 @@ app.get('/', (req, res) => {
 
 app.listen(port, () => {
   console.log(`Example app listening on port ${port}`)
-})
+})