diff --git a/main.py b/main.py
index 1c1965a..112ef5a 100755
--- a/main.py
+++ b/main.py
@@ -2,14 +2,39 @@
 """
 wifi-with-matrix script.
 Bridge between https://code.ffdn.org/FFDN/wifi-with-me & a matrix room
+
+Needs the following environment variables:
+    - MMW_BOT_MATRIX_URL: the url of the matrix homeserver
+    - MMW_BOT_MATRIX_ID: the user id of the bot on this server
+    - MMW_BOT_MATRIX_PW: the password for this user
+    - MMW_BOT_ROOM_ID: the room on which send the notifications
 """
 
+import os
 from http.server import BaseHTTPRequestHandler, HTTPServer
 
-SERVER_ADDRESS = ('', 4785)
+from matrix_client.client import MatrixClient
+
+SERVER_ADDRESS = ('', int(os.environ.get('MMW_BOT_PORT', 4785)))
+MATRIX_URL = os.environ.get('MMW_BOT_MATRIX_URL', 'https://matrix.org')
+MATRIX_ID = os.environ.get('MMW_BOT_MATRIX_ID', 'wwm')
+MATRIX_PW = os.environ['MMW_BOT_MATRIX_PW']
+ROOM_ID = os.environ['MMW_BOT_ROOM_ID']
 
 
-class Forwarder(BaseHTTPRequestHandler):
+class WWMBotServer(HTTPServer):
+    """
+    an HTTPServer that also contain a matrix client
+    """
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.matrix_client = MatrixClient(MATRIX_URL)
+        self.matrix_token = self.matrix_client.login(username=MATRIX_ID, password=MATRIX_PW)
+        self.matrix_room = self.matrix_client.get_rooms()[ROOM_ID]
+
+
+class WWMBotForwarder(BaseHTTPRequestHandler):
     """
     Class given to the server, st. it knows what to do with a request.
     This one handles the HTTP request, and forwards it to the matrix room.
@@ -32,4 +57,4 @@ class Forwarder(BaseHTTPRequestHandler):
 
 
 if __name__ == '__main__':
-    HTTPServer(SERVER_ADDRESS, Forwarder).serve_forever()
+    WWMBotServer(SERVER_ADDRESS, WWMBotForwarder).serve_forever()