diff --git a/musician/settings.py b/musician/settings.py
index 5581061..abc538a 100644
--- a/musician/settings.py
+++ b/musician/settings.py
@@ -1,14 +1,37 @@
-# allowed resources limit hardcoded because cannot be retrieved from the API.
-ALLOWED_RESOURCES = {
-    'INDIVIDUAL':
-    {
-        # 'disk': 1024,
-        # 'traffic': 2048,
-        'mailbox': 2,
+from django.conf import settings
+
+
+def getsetting(name):
+    return getattr(settings, name, DEFAULTS.get(name))
+
+
+DEFAULTS = {
+    # allowed resources limit hardcoded because cannot be retrieved from the API.
+    "ALLOWED_RESOURCES": {
+        'INDIVIDUAL':
+        {
+            # 'disk': 1024,
+            # 'traffic': 2048,
+            'mailbox': 2,
+        },
+        'ASSOCIATION': {
+            # 'disk': 5 * 1024,
+            # 'traffic': 20 * 1024,
+            'mailbox': 10,
+        }
     },
-    'ASSOCIATION': {
-        # 'disk': 5 * 1024,
-        # 'traffic': 20 * 1024,
-        'mailbox': 10,
-    }
+    "URL_DB_PHPMYADMIN": "https://www.phpmyadmin.net/",
+    "URL_MAILTRAIN": "https://mailtrain.org/",
+    "URL_SAAS_WORDPRESS": "https://wordpress.org/",
+    "URL_SAAS_GITLAB": "https://gitlab.org/",
 }
+
+ALLOWED_RESOURCES = getsetting("ALLOWED_RESOURCES")
+
+URL_DB_PHPMYADMIN = getsetting("URL_DB_PHPMYADMIN")
+
+URL_MAILTRAIN = getsetting("URL_MAILTRAIN")
+
+URL_SAAS_WORDPRESS = getsetting("URL_SAAS_WORDPRESS")
+
+URL_SAAS_GITLAB = getsetting("URL_SAAS_GITLAB")