FROM python:3.11-slim

RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    libffi-dev \
    libssl-dev \
    && rm -rf /var/lib/apt/lists/*

COPY app /app

RUN pip install --upgrade pip
RUN pip install -r app/requirements.txt
RUN pip install torch --index-url https://download.pytorch.org/whl/cpu

EXPOSE 8002

CMD ["gunicorn", "--worker-class", "uvicorn.workers.UvicornWorker", "--bind", "0.0.0.0:8002", "--workers", "4"]