diff --git a/backend/app/config.py b/backend/app/config.py
index d23dcd33..f52a3606 100644
--- a/backend/app/config.py
+++ b/backend/app/config.py
@@ -4,6 +4,10 @@ from pathlib import Path
 from pydantic_settings import BaseSettings, SettingsConfigDict
 from typing import Optional
 
+from utils.logger import setup_logger
+
+logger = setup_logger()
+
 
 def resolve_env_file() -> Optional[str]:
     env = os.getenv("ENVIRONMENT", "local")
@@ -12,12 +16,12 @@ def resolve_env_file() -> Optional[str]:
 
     if env == "local":
         env_file = backend_dir / ".env"
-        print("USING ENV FILE:", env_file)
+        logger.debug("USING ENV FILE:", env_file)
         return str(env_file)
 
     if env == "test":
         env_file = backend_dir / ".env.test"
-        print("USING ENV FILE:", env_file)
+        logger.debug("USING ENV FILE:", env_file)
         return str(env_file)
 
     # prod = no env file
diff --git a/backend/categorisation/local_handler/invoke_local_lambda.py b/backend/categorisation/local_handler/invoke_local_lambda.py
index 0897e7f2..5aa82846 100644
--- a/backend/categorisation/local_handler/invoke_local_lambda.py
+++ b/backend/categorisation/local_handler/invoke_local_lambda.py
@@ -2,7 +2,10 @@
 import json
 import requests
 
-LAMBDA_URL = "http://localhost:9000/2015-03-31/functions/function/invocations"
+HOST = "localhost"
+PORT = "9000"
+
+LAMBDA_URL = f"http://{HOST}:{PORT}/2015-03-31/functions/function/invocations"
 
 payload = {
     "Records": [