FROM python:3.9-slim

# 1. Install system dependencies for OpenCV (Updated for newer Debian versions)
RUN apt-get update && apt-get install -y libglib2.0-0 libsm6 libxext6 libxrender-dev libgl1 && rm -rf /var/lib/apt/lists/*

# 2. Create the strict non-root user Hugging Face requires
RUN useradd -m -u 1000 user
USER user

# 3. Set environment variables
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH \
    PYTHONUNBUFFERED=1

# 4. Set working directory
WORKDIR $HOME/app

# 5. Copy files and set ownership
COPY --chown=user . $HOME/app

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

# 7. Start the Uvicorn server
EXPOSE 7860
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]