FROM python:3.10-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PORT=7860 \
    HF_HOME=/app/cache \
    PATH="/home/user/.local/bin:${PATH}"

WORKDIR /app

RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        curl \
        libgomp1 \
    && rm -rf /var/lib/apt/lists/*

RUN useradd -m -u 1000 user \
    && mkdir -p /app/cache /app/models /app/wheels \
    && chown -R user:user /app

RUN pip install --no-cache-dir --upgrade pip

USER user

COPY --chown=user:user ./wheels /app/wheels
RUN pip install --no-cache-dir /app/wheels/llama_cpp_python-*.whl

COPY --chown=user:user requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY --chown=user:user . .

EXPOSE 7860

CMD ["bash", "-c", \
    "while true; do curl -s https://xce009-ai-chat-api.hf.space/ping > /dev/null || true; sleep 300; done & \
    python -m uvicorn main:app --host 0.0.0.0 --port 7860"]