FROM python:3.10-slim

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

WORKDIR /app

# 1. Install runtime dependencies
# Added 'libgomp1' here to fix the "libgomp.so.1" error
RUN apt-get update && apt-get install -y \
    curl \
    libgomp1 \
    && rm -rf /var/lib/apt/lists/*

# 2. Create user and directories
RUN useradd -m -u 1000 user
RUN mkdir -p /app/cache /app/models /app/wheels && chown -R user:user /app

# 3. Install pip
RUN pip install --no-cache-dir --upgrade pip

USER user

# 4. Install the Local Wheel
COPY --chown=user:user ./wheels /app/wheels
RUN pip install --no-cache-dir /app/wheels/llama_cpp_python-*.whl

# 5. Install other dependencies
COPY --chown=user:user requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# 6. Copy ALL Application Code
COPY --chown=user:user . .

EXPOSE 7860

# 7. Start the app
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"]