diff --git a/api/app/database.py b/api/app/database.py
index 8f520ae..310f4ef 100644
--- a/api/app/database.py
+++ b/api/app/database.py
@@ -23,6 +23,8 @@ def init_oracle():
     if settings.TNS_ADMIN:
         os.environ['TNS_ADMIN'] = settings.TNS_ADMIN
 
+    logger.info(f"Oracle config: DSN={dsn}, TNS_ADMIN={settings.TNS_ADMIN or os.environ.get('TNS_ADMIN', '(not set)')}, INSTANTCLIENTPATH={instantclient_path or '(not set)'}")
+
     if force_thin:
         logger.info(f"FORCE_THIN_MODE=true: thin mode for {dsn}")
     elif instantclient_path: