update dockerfile

Dockerfile

@@ -13,7 +13,7 @@ RUN mkdir -p /app/flask_session && chmod 777 /app/flask_session
 # Install any needed packages specified in requirements.txt
 RUN pip install --no-cache-dir -r requirements.txt
 
-RUN mkdir -p /.kaggle && chmod -R 777 /.kaggle
+RUN chmod -R 777 ./
 
 # Make port 7860 available to the world outside this container
 EXPOSE 7860