feat: running on docker fully, and added rabbitmq/worker container

flower/celery.py

@@ -0,0 +1,15 @@
+import os
+
+from celery import Celery
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'flower.settings')
+
+app = Celery('flower')
+app.config_from_object('django.conf:settings', namespace='CELERY')
+app.autodiscover_tasks()
+
+
+@app.task(bind=True)
+def debug_task(self):
+    print(f'Celery debug task - request: {self.request!r}')
+