move cas to env

diff --git a/src/edumed/settings/contrib.py b/src/edumed/settings/contrib.py
index 076a4b3..d0e3015 100644 (file)
--- a/src/edumed/settings/contrib.py
+++ b/src/edumed/settings/contrib.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
+import os
 
-CAS_SERVER_URL = 'https://logowanie.nowoczesnapolska.org.pl/cas/'
+CAS_SERVER_URL = os.environ.get('CAS_SERVER_URL')
 CAS_VERSION = '3'
 
 HONEYPOT_FIELD_NAME='miut'