Update DockerFile

DockerFile

@@ -7,8 +7,10 @@ RUN pip install -r requirements.txt
 
 COPY . .
 
+RUN chmod +x app.py  # Make app.py executable  <--- Add this line
+
 EXPOSE 5000
 
 CMD ["gunicorn", "--bind", "0.0.0.0:5000", "app:app"] 
-# OR, for development/testing (not recommended for production):
+# Or for Development
 # CMD ["python", "app.py"]