FROM python:3.11-slim

LABEL maintainer="trading-signal"
LABEL description="A股纯信号量化交易系统"

WORKDIR /app

# 系统依赖
RUN apt-get update && apt-get install -y --no-install-recommends \
    tzdata curl && \
    ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
    echo "Asia/Shanghai" > /etc/timezone && \
    apt-get clean && rm -rf /var/lib/apt/lists/*

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

# 应用代码
COPY scripts/ /app/scripts/
COPY config/ /app/config/

# 数据和日志通过volume挂载
VOLUME ["/app/data", "/app/logs"]

# 健康检查
HEALTHCHECK --interval=60s --timeout=10s --retries=3 \
    CMD test -f /app/data/state.json || exit 1

# 启动
CMD ["python3", "-u", "/app/scripts/scheduler.py"]