use logger from flask

imaginaerraum_door_admin/__init__.py

@@ -63,40 +63,15 @@ def create_super_admins(app, db, user_datastore, logger):
         db.session.commit()
 
 
-def setup_logging(app):
-    # set up logging for the web app
-    logger = logging.getLogger('webapp')
-    logger.setLevel(logging.INFO)
-
-    if app.config['LOG_FILE'] is not None:
-        ch = logging.FileHandler(app.config['LOG_FILE'])
-        ch.setLevel(logging.INFO)
-    else:
-        # create console handler and set level to debug
-        ch = logging.StreamHandler()
-        ch.setLevel(logging.DEBUG)
-
-    # create formatter
-    formatter = logging.Formatter(
-        '%(asctime)s - %(name)s - %(levelname)s - %(message)s')
-    # add formatter to ch
-    ch.setFormatter(formatter)
-    # add ch to logger
-    logger.addHandler(ch)
-
-    return logger
-
-
 def create_app():
     app = Flask(__name__)
     app.config.from_object('imaginaerraum_door_admin.default_app_config.DefaultConfig')
     app.config.from_envvar('APPLICATION_SETTINGS')
 
-    logger = setup_logging(app)
 
     token_file = Path(app.config.get('TOKEN_FILE'))
     if not token_file.exists():
-        logger.warning(
+        app.logger.warning(
             f"Token file not found at {token_file.absolute()}. "
             "An empty token file will be created."
         )
@@ -106,7 +81,7 @@ def create_app():
     # door state via MQTT
     app.door = DoorHandle(
         token_file=token_file, mqtt_host=app.config['MQTT_HOST'],
-        nfc_socket=app.config['NFC_SOCKET'], logger=logger
+        nfc_socket=app.config['NFC_SOCKET'], logger=app.logger
     )
 
     # Mail Config