FROM python:3.10-slim AS builder

WORKDIR /install

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

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

RUN pip freeze > /requirements_freeze.txt

# ------------------------------

FROM python:3.10-slim

# 设置环境变量
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1


WORKDIR /app

# 复制依赖文件
COPY --from=builder /requirements_freeze.txt .

# 安装依赖
RUN pip install --upgrade pip && pip install --no-cache-dir -r requirements_freeze.txt

COPY . .

# 修改文件权限和用户组
RUN chmod -R 777 /app && \
    chown -R root:root /app

EXPOSE 7860
CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:7860", "app:app"]