FROM python:3.9

# Install necessary system dependencies
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
    python3-tk \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /code

COPY ./requirements.txt /code/requirements.txt

RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt

COPY . .

# Set up the environment variable to ensure Tkinter doesn't complain about no display
ENV DISPLAY=:99

# CMD to start the application
CMD ["python3", "-m", "app", "--host", "0.0.0.0", "--port", "7860"]