FROM python:3.12-slim-bookworm

# The host must inject NVIDIA graphics driver libraries at container creation.
ENV NVIDIA_DRIVER_CAPABILITIES=compute,utility,graphics \
    PYTHONUNBUFFERED=1 \
    RENDER_BACKEND=gpu \
    BLENDER_THREADS=4 \
    GRADIO_SERVER_NAME=0.0.0.0 \
    GRADIO_SERVER_PORT=7860

WORKDIR /app
COPY packages.txt requirements.txt ./
RUN apt-get update && xargs -r apt-get install -y --no-install-recommends < packages.txt \
    && rm -rf /var/lib/apt/lists/* \
    && pip install --no-cache-dir -r requirements.txt \
    && useradd -m -u 1000 render
COPY --chown=render:render . /app
RUN chown -R render:render /app
USER render
EXPOSE 7860
CMD ["python", "app.py"]