Dockerfile

# 使用Python 3.11的官方镜像作为基础镜像
FROM python:3.11-slim as builder

# 设置工作目录
WORKDIR /app

# 安装系统依赖
RUN apt-get update && apt-get install -y \
    gcc \
    && rm -rf /var/lib/apt/lists/*

# 复制requirements文件
COPY requirements.txt .

# 安装Python依赖
RUN pip install --no-cache-dir --user -r requirements.txt

# 生产阶段
FROM python:3.11-slim

# 设置工作目录
WORKDIR /app

# 创建非root用户
RUN groupadd -r appuser && useradd -r -g appuser appuser

# 从builder阶段复制安装的包
COPY --from=builder /root/.local /home/appuser/.local

# 复制应用代码
COPY . .

# 更改文件所有权
RUN chown -R appuser:appuser /app

# 切换到非root用户
USER appuser

# 设置PATH环境变量
ENV PATH=/home/appuser/.local/bin:$PATH

# 暴露端口
EXPOSE 8000

# 设置环境变量
ENV PYTHONPATH=/app
ENV PYTHONUNBUFFERED=1

# 健康检查
# HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
#     CMD python -c "import requests; requests.get('http://localhost:8000/health')" || exit 1

# 启动命令
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "1"]