Make config production ready

ref-test/app/config.py

@@ -1,9 +1,7 @@
 import os
 from pathlib import Path
-
-if not os.getenv('DATA'):
-    from dotenv import load_dotenv
-    load_dotenv('../.env')
+from dotenv import load_dotenv
+load_dotenv('../.env')
 
 class Config(object):
     APP_HOST = '0.0.0.0'