DockerFile

FROM python:3.9-slim-buster

WORKDIR /app

COPY requirements.txt .
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
# CMD ["python", "app.py"]