FROM python:3.9-slim

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    python3-dev \
    && rm -rf /var/lib/apt/lists/*

RUN useradd -m -u 1000 user && \
    chown -R user:user /app
USER user

ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PATH="/home/user/.local/bin:${PATH}"

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

COPY --chown=user . .

CMD ["gunicorn", "--bind", "0.0.0.0:7860", "--timeout", "600", "--preload", "--workers", "2", "app:app"]