diff --git a/rssbot.py b/rssbot.py
index 9ff1824ffdca74097cd8e057d140ff41a1dcb6b2..f34dde977dbcf31c7c74b694d305c8563533bdd8 100755
--- a/rssbot.py
+++ b/rssbot.py
@@ -1,25 +1,24 @@
 #!/usr/bin/env python3
 
-import argparse
 import time
-import traceback
 import feedparser
 import requests
 from threading import Thread, Condition
 from matrix_client.errors import MatrixRequestError
 from matrix_client.client import MatrixClient
+import os
 
 ROOM_EVENT_TYPE = 'de.eventscccde.rssbot'
 ACCOUNT_DATA_TYPE = 'de.eventscccde.rssbot'
 
 
 class RssBot:
-    def __init__(self, url, user_id, token):
+    def __init__(self, url, token):
         self.feeds = {}
         self.room_configs = {}
         self._known_guids = set()
 
-        self.client = MatrixClient(url, user_id=user_id, token=token)
+        self.client = MatrixClient(url, token=token)
         self.client.add_invite_listener(self._handle_invite)
         self.client.add_leave_listener(self._handle_leave)
 
@@ -73,7 +72,6 @@ class RssBot:
         room = self.client.join_room(roomId)
         self._setup_room(room)
 
-
     def _handle_leave(self, room_id, room):
         if room_id in self.room_configs:
             del self.room_configs[room_id]
@@ -204,27 +202,8 @@ Invite me to any room on {homeserver} and use the custom state event <code>de.ev
         self.client.listen_forever()
 
 
-def main():
-    parser = argparse.ArgumentParser(
-        description='Stateless* [Matrix] RSS feed bot.'
-    )
-    parser.add_argument(
-        'url',
-        help='The URL of the Matrix homeserver.'
-    )
-    parser.add_argument(
-        'user_id',
-        help='Matrix user ID of the bot account.'
-    )
-    parser.add_argument(
-        'token',
-        help='File containing the access token for the bot account.'
-    )
-    args = parser.parse_args()
-    with open(args.token, 'r') as f:
-        token = f.read().replace('\n', '')
-    RssBot(args.url, args.user_id, token).run()
-
-
 if __name__ == '__main__':
-    main()
+    homeserver = os.environ.get('MATRIX_HOMESERVER')
+    access_token = os.environ.get('MATRIX_ACCESS_TOKEN')
+
+    RssBot(homeserver, token=access_token).run()