FROM python:3.11-slim

WORKDIR /app

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

# 安装 gunicorn 用于生产环境运行 Flask
RUN pip install --no-cache-dir gunicorn

COPY . .

EXPOSE 8888

CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:8888", "app:app"]