FROM python:3.9-slim

# 创建专用用户
RUN useradd -m -u 1000 appuser

# 设置工作目录
WORKDIR /app

# 安装系统依赖
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc python3-dev && \
    rm -rf /var/lib/apt/lists/*

# 全局安装依赖
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# 设置权限
RUN chown -R appuser:appuser /app
USER appuser

# 复制代码
COPY --chown=appuser:appuser . .

# 设置容器入口
ENTRYPOINT ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]