# 多阶段构建Dockerfile for MCP Server
FROM python:3.11-slim AS builder

WORKDIR /app

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

# 安装Python依赖
COPY requirements.txt .
RUN pip install --no-cache-dir --user -r requirements.txt \
    -i https://pypi.tuna.tsinghua.edu.cn/simple/ \
    --trusted-host pypi.tuna.tsinghua.edu.cn

# 最终镜像
FROM python:3.11-slim

WORKDIR /app

# 安装运行时依赖
RUN apt-get update && apt-get install -y \
    libpq5 \
    curl \
    && rm -rf /var/lib/apt/lists/*

# 从builder复制Python包
COPY --from=builder /root/.local /root/.local

# 复制应用代码
COPY . .

# 确保Python能找到用户安装的包
ENV PATH=/root/.local/bin:$PATH

# 创建日志目录
RUN mkdir -p /app/logs

# 健康检查 (开发环境使用较长间隔)
HEALTHCHECK --interval=120s --timeout=10s --start-period=40s --retries=3 \
    CMD curl -f http://localhost:8000/health || exit 1

# 暴露端口
EXPOSE 8000

# 启动命令（使用单 worker 避免数据库初始化竞态条件）
CMD ["python3", "-m", "uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "1"]