Fix lightrag logger initailization problem, fix gunicorn acccess log missing

gunicorn_config.py

@@ -70,11 +70,6 @@ logconfig_dict = {
             'level': 'INFO',
             'propagate': False
         },
-        'uvicorn': {
-            'handlers': ['console', 'file'],
-            'level': 'INFO',
-            'propagate': False
-        },
         'gunicorn': {
             'handlers': ['console', 'file'],
             'level': 'INFO',
@@ -84,6 +79,11 @@ logconfig_dict = {
             'handlers': ['console', 'file'],
             'level': 'INFO',
             'propagate': False
+        },
+        'gunicorn.access': {
+            'handlers': ['console', 'file'],
+            'level': 'INFO',
+            'propagate': False
         }
     }
 }

lightrag/api/lightrag_server.py

@@ -39,13 +39,10 @@ from .routers.query_routes import create_query_routes
 from .routers.graph_routes import create_graph_routes
 from .routers.ollama_api import OllamaAPI
 
-from lightrag.utils import logger as utils_logger
+from lightrag.utils import logger, set_verbose_debug
 
 # Load environment variables
-try:
+load_dotenv(override=True)
-    load_dotenv(override=True)
-except Exception as e:
-    utils_logger.warning(f"Failed to load .env file: {e}")
 
 # Initialize config parser
 config = configparser.ConfigParser()
@@ -88,10 +85,6 @@ class LightragPathFilter(logging.Filter):
 
 
 def create_app(args):
-    # Initialize verbose debug setting
-    # Can not use the logger at the top of this module when workers > 1
-    from lightrag.utils import set_verbose_debug, logger
-
     # Setup logging
     logger.setLevel(getattr(logging, args.log_level))
     set_verbose_debug(args.verbose)