FROM python:3.11-slim

ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

WORKDIR /app

# 创建非 root 用户
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

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

COPY --chown=user . /app

EXPOSE 7860
CMD ["gunicorn", "-b", "0.0.0.0:7860", "app:app"]