fixed up the docker

src/paperless/consumers.py

@@ -0,0 +1,16 @@
+import json
+
+from asgiref.sync import async_to_sync
+from channels.generic.websocket import WebsocketConsumer
+
+
+class StatusConsumer(WebsocketConsumer):
+    def connect(self):
+        self.accept()
+        async_to_sync(self.channel_layer.group_add)('status_updates', self.channel_name)
+
+    def disconnect(self, close_code):
+        async_to_sync(self.channel_layer.group_discard)('status_updates', self.channel_name)
+
+    def status_update(self, event):
+        self.send(json.dumps(event['data']))