From 8b40bc6db37b993e5bf6e80c40e487d82bb59f9f Mon Sep 17 00:00:00 2001
From: Gwenhael Le Moine <gwenhael.le.moine@gmail.com>
Date: Fri, 24 Nov 2017 15:13:50 +0100
Subject: [PATCH] configurable PORT $(PRT=9292 ./credger)

---
 credger.cr | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/credger.cr b/credger.cr
index a560bc5..9af13b8 100644
--- a/credger.cr
+++ b/credger.cr
@@ -5,6 +5,8 @@ require "./ledger"
 CURRENCY = "€"
 SEPARATOR = ","
 
+ENV["PORT"] ||= "3000"
+
 ledger = Ledger.new
 
 # Matches GET "http://host:port/"
@@ -53,4 +55,4 @@ get "/api/ledger/register" do |env|
     .to_json
 end
 
-Kemal.run
+Kemal.run( ENV["PORT"].to_i )