FROM python:3.9

# 1. Install system libraries for OpenCV (Corrected for new Debian versions)
RUN apt-get update && apt-get install -y \
    libgl1 \
    && rm -rf /var/lib/apt/lists/*

# Set up user (Security requirement for HF Spaces)
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

WORKDIR $HOME/app

COPY --chown=user . $HOME/app

# Install dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Start API
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]