diff --git a/push_msg.py b/push_msg.py
index f3329ff..4f9f0b5 100755
--- a/push_msg.py
+++ b/push_msg.py
@@ -1,13 +1,12 @@
 #!/usr/bin/env python3
 
 import requests
-import json
 import time
 import logging
 try:
     from settings import *
 except:
-    print("Please provide a settings.py file")
+    print('Please provide a settings.py file')
     exit(0)
 
 
@@ -21,11 +20,11 @@
                 format='%(asctime)s %(levelname)8s - %(message)s'
         )
 except FileNotFoundError:
-    print("ERROR: Invalid log file path specified in settings.py")
+    print('ERROR: Invalid log file path specified in settings.py')
     exit(0)
 except NameError:
     # log_file is an optional, setting and may not be present in older config files
-    print("INFO: No logfile specified, logging is disabled")
+    print('INFO: No logfile specified, logging is disabled')
     pass
 
 
@@ -47,26 +46,28 @@ def get_notifications():
     """Retrieve notifications from nextcloud"""
     try:
         # retrieve json data from the notifications endpoint
-        r = requests.get(url, headers=headers, auth=(user, pw))
+        full_url = '%s/ocs/v2.php/apps/notifications/api/v2/notifications' % url
+        r = requests.get(full_url, headers=headers, auth=(user, pw))
         # load the json data
         m = (r.json())
         if r.status_code < 300:
             # only handle success status codes
-            return m["ocs"]["data"]
+            return m['ocs']['data']
         else:
             logging.error('failed to retrieve notifications - %s', r.text)
     except requests.exceptions.RequestException as err:
-        logging.info("failed to connect to nextcloud - %s", repr(err))
+        logging.info('failed to connect to nextcloud - %s', repr(err))
     except (ValueError, KeyError) as err:
-        logging.error("failed to parse notifications - %s", repr(err))
+        logging.error('failed to parse notifications - %s', repr(err))
     return []
 
 
 def push_notification(notification_id, date, title, msg, priority):
     """Send the notification to the gotify server."""
     try:
+        full_urlpush = '%s/message' % urlpush
         response = requests.post(
-                urlpush,
+                full_urlpush,
                 headers=headerspush,
                 data={
                     'id': notification_id,
@@ -76,28 +77,29 @@ def push_notification(notification_id, date, title, msg, priority):
                     'priority': priority}
         )
     except requests.exceptions.RequestException as e:
-        logging.error("push to gotify server failed - %s", repr(e))
+        logging.error('push to gotify server failed - %s', repr(e))
         return False
 
     if response.status_code < 300:
         return True
     else:
-        logging.error("push to gotify server failed with HTTP status %s - %s", response.status_code, response.text)
+        logging.error('push to gotify server failed with HTTP status %s - %s',
+                      response.status_code, response.text)
         return False
 
 
 # start infinite loop for listening
-if __name__ == "__main__":
+if __name__ == '__main__':
     while True:
         new_notification_list = get_notifications()
 
         # Iterate over the notifications
         for n in new_notification_list:
             try:
-                n_id  = n["notification_id"]  # id
-                title = n["subject"]
-                date  = n["datetime"]
-                msg   = n["message"] or " "
+                n_id = n['notification_id']  # id
+                title = n['subject']
+                date = n['datetime']
+                msg = n['message'] or ' '
             except (KeyError, AttributeError):
                 # invalid or unsupported notification format
                 logging.warning('Invalid notification object - %s', n)
diff --git a/settings.py.sample b/settings.py.sample
index 02f5c9b..2c6be6a 100755
--- a/settings.py.sample
+++ b/settings.py.sample
@@ -1,27 +1,28 @@
 #!/usr/bin/python3
+from os import getenv
 
 ##########################################
 # Nextcloud settings
 
-url='https://example.com/ocs/v2.php/apps/notifications/api/v2/notifications'
-user='username'
-pw='secretpw'
+url = getenv('NEXTCLOUD_URL', 'https://nextcloudexample.com')
+user = getenv('NEXTCLOUD_USER', 'username')
+pw = getenv('NEXTCLOUD_PASSWORD', 'secretpw')
 
 ##########################################
 # Gotify settings
 
-urlpush='https://example.com/message'
-token='TOKEN'
+urlpush = getenv('GOTIFY_URL', 'https://gotifyexample.com')
+token = getenv('GOTIFY_TOKEN', 'TOKEN')
 
 ##########################################
 # General settings
 
 # Frequency for checking new notifications
-delay=30
+delay = int(getenv('NOTIFICATION_DELAY', 30))
 
 # Priority for the notification sent through this channel
 # If this is set below 10, there won't be any sound when receiving a message
-notification_priority='10'
+notification_priority = getenv('NOTIFICATION_PRIORITY', '10')
 
 # Optional log file
-log_file = 'logs/gotify-nc.log'
+log_file = getenv('LOG_PATH', 'logs/gotify-nc.log')