FROM python:3.11-slim

WORKDIR /app

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

# 安装 Python 依赖
RUN pip install --no-cache-dir \
    fastapi==0.109.0 \
    uvicorn[standard]==0.27.0 \
    pydantic==2.5.3 \
    requests>=2.31.0

# 复制 common 模块（回调工具）
COPY common/agent_callback_utils.py /app/common/
RUN touch /app/common/__init__.py

# 复制应用代码
COPY agents/echo_agent/echo_agent.py /app/

# 环境变量
ENV PYTHONUNBUFFERED=1
ENV SERVICE_HOST=0.0.0.0
ENV SERVICE_PORT=8000

# 回调配置
ENV AGENT_CALLBACK_URL=http://mcp-server:8002/api/v1/billing/agent-callback

# 健康检查
HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \
    CMD python3 -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/health').read()" || exit 1

EXPOSE 8000

CMD ["python3", "-u", "echo_agent.py"]