FROM python:3.11-slim

# Set up user privileges for Hugging Face Spaces
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

WORKDIR $HOME/app

# Copy dependency tracking lists and install packages
COPY --chown=user requirements.txt $HOME/app/requirements.txt
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Copy application script logic
COPY --chown=user . $HOME/app

# Expose the standard Gradio port
EXPOSE 7860

CMD ["python", "app.py"]