FROM python:3.11-slim

# minimal build tools for llama-cpp’s C++ extension
RUN apt-get update && \
    apt-get install -y --no-install-recommends build-essential git && \
    rm -rf /var/lib/apt/lists/*

WORKDIR /app
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY app.py .

# `PORT` is provided by HF; default to 7860 locally
ENV NUM_CPU=4
CMD ["python", "app.py"]