fix: improve settings logic

settings.py

@@ -48,9 +48,6 @@ SQL_PASSWORD = os.getenv("SQL_PASSWORD")
 SQL_EXTERNAL_URL = os.getenv("SQL_EXTERNAL_URL")
 SQL_INTERNAL_URL = os.getenv("SQL_INTERNAL_URL")
 
+SQL_BASE = f"{SQL_EXTERNAL_URL}" if SQL_EXTERNAL_URL else f'sqlite:///{SQL_DB_PATH_LOCAL}'
 
-if SQL_PORT and SQL_DATABASE:
-    SQL_BASE = f"{SQL_EXTERNAL_URL}"
-else:
-    SQL_BASE = f'sqlite:///{SQL_DB_PATH_LOCAL}'
 "postgresql://chi_metadata_user:DJy5LJpogeOGD7ziw1i40zr2YmJ3Nq4z@dpg-d2bkj1re5dus738b67dg-a.frankfurt-postgres.render.com:5432/chi_metadata"