diff --git a/Dockerfile b/Dockerfile
index 3a7a9b0..7e405ba 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,6 +4,7 @@ FROM python:3.10
 # Set environment variables
 ENV PYTHONDONTWRITEBYTECODE 1
 ENV PYTHONUNBUFFERED 1
+ENV FLASK_APP=app
 
 # Set the working directory
 WORKDIR /app