fix: delete DATABASE after wrapping to avoid conflict

images/netbox/local_settings.py

@@ -2,23 +2,15 @@
 # NetBox Local Settings for netbox-branching plugin
 # =============================================================================
 # This file configures DynamicSchemaDict required by netbox-branching.
-# It imports DATABASE from the NetBox Docker configuration and wraps it.
+# It wraps the DATABASE from configuration.py into DATABASES.
 # Placed in /etc/netbox/config/
 # =============================================================================
 
-import os
 from netbox_branching.utilities import DynamicSchemaDict
 
-# Build DATABASE dict from environment variables (same as netbox-docker does)
-DATABASE = {
-    'ENGINE': 'django.db.backends.postgresql',
-    'NAME': os.environ.get('DB_NAME', 'netbox'),
-    'USER': os.environ.get('DB_USER', ''),
-    'PASSWORD': os.environ.get('DB_PASSWORD', ''),
-    'HOST': os.environ.get('DB_HOST', 'localhost'),
-    'PORT': os.environ.get('DB_PORT', ''),
-    'CONN_MAX_AGE': int(os.environ.get('DB_CONN_MAX_AGE', 300)),
-}
+# Import DATABASE from the already-loaded configuration
+# At this point, DATABASE is available in the global namespace from configuration.py
+# We need to wrap it with DynamicSchemaDict and delete the original DATABASE
 
 # Wrap DATABASES with DynamicSchemaDict for dynamic schema support
 # This is required for netbox-branching plugin to function correctly
@@ -26,6 +18,9 @@ DATABASES = DynamicSchemaDict({
     'default': DATABASE,
 })
 
+# Delete DATABASE to avoid "DATABASE and DATABASES may not be set together" error
+del DATABASE
+
 # Employ the custom database router for branch-aware queries
 DATABASE_ROUTERS = [
     'netbox_branching.database.BranchAwareRouter',