From bdc9a49021d1a3eb1563fe01f8bb255d83ef7294 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vin=C3=ADcius=20Francisco=20Xavier?=
 <viniciusfranciscoxavier@gmail.com>
Date: Tue, 7 Sep 2021 14:50:50 -0300
Subject: [PATCH] Adding button to deploy to heroku

To solve the problem of ports I made a condition to use the ENV `PORT` value returned by most clounds otherwise use the default port 80.

I currently use this implementation without any problems.

closes #88 and closes #114
---
 README.md  | 2 ++
 app.json   | 5 +++++
 bin/server | 2 +-
 3 files changed, 8 insertions(+), 1 deletion(-)
 create mode 100644 app.json

diff --git a/README.md b/README.md
index 9c829f0..7f4389f 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,8 @@
 
 localtunnel exposes your localhost to the world for easy testing and sharing! No need to mess with DNS or deploy just to have others test out your changes.
 
+[![Deploy](https://www.herokucdn.com/deploy/button.svg)](https://heroku.com/deploy?template=https://github.com/localtunnel/server)
+
 This repo is the server component. If you are just looking for the CLI localtunnel app, see (https://github.com/localtunnel/localtunnel).
 
 ## overview ##
diff --git a/app.json b/app.json
new file mode 100644
index 0000000..60c106e
--- /dev/null
+++ b/app.json
@@ -0,0 +1,5 @@
+{
+    "name": "localtunnel-server",
+    "description": "localtunnel exposes your localhost to the world for easy testing and sharing!",
+    "repository": "https://github.com/localtunnel/server"
+}
\ No newline at end of file
diff --git a/bin/server b/bin/server
index a6bba9d..85f0386 100755
--- a/bin/server
+++ b/bin/server
@@ -17,7 +17,7 @@ const argv = optimist
         describe: 'use this flag to indicate proxy over https'
     })
     .options('port', {
-        default: '80',
+        default: process.env.PORT || '80',
         describe: 'listen on this port for outside requests'
     })
     .options('address', {