🐛 fix(__main__.py): import and call initialize_settings_manager() to ensure settings manager is initialized

✨ feat(manager.py): add check to prevent duplicate registration of service factories in ServiceManager class
✨ feat(manager.py): add initialize_settings_manager() function to initialize the settings manager

src/backend/langflow/__main__.py

@@ -1,6 +1,7 @@
 import sys
 import time
 import httpx
+from langflow.services.manager import initialize_settings_manager
 from langflow.services.utils import get_settings_manager
 from langflow.utils.util import get_number_of_workers
 from multiprocess import Process  # type: ignore
@@ -30,6 +31,7 @@ def update_settings(
     """Update the settings from a config file."""
 
     # Check for database_url in the environment variables
+    initialize_settings_manager()
     settings_manager = get_settings_manager()
     if config:
         logger.debug(f"Loading settings from {config}")

src/backend/langflow/services/manager.py

@@ -18,7 +18,8 @@ class ServiceManager:
         """
         Registers a new factory.
         """
-        self.factories[service_factory.service_class.name] = service_factory
+        if service_factory.service_class.name not in self.factories:
+            self.factories[service_factory.service_class.name] = service_factory
 
     def get(self, service_name: ServiceType):
         """
@@ -85,3 +86,12 @@ def initialize_services():
     service_manager.register_factory(database_factory.DatabaseManagerFactory())
     service_manager.register_factory(cache_factory.CacheManagerFactory())
     service_manager.register_factory(chat_factory.ChatManagerFactory())
+
+
+def initialize_settings_manager():
+    """
+    Initialize the settings manager.
+    """
+    from langflow.services.settings import factory as settings_factory
+
+    service_manager.register_factory(settings_factory.SettingsManagerFactory())