FROM python:3.12-slim

# 设置工作目录
WORKDIR /app

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

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

# 复制依赖文件
COPY requirements.txt .

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

# 复制应用代码
COPY . .

# 创建非 root 用户
RUN useradd --create-home --shell /bin/bash meetspot
RUN chown -R meetspot:meetspot /app
USER meetspot

# 暴露端口
EXPOSE 8000

# 健康检查
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8000/health || exit 1

# 启动应用
CMD ["python", "web_server.py"]