FROM python:3.12-slim

WORKDIR /app

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

# Python 依赖（先装，利用构建缓存）
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt \
    --index-url https://pypi.tuna.tsinghua.edu.cn/simple \
    --trusted-host pypi.tuna.tsinghua.edu.cn

COPY main.py .

# 健康检查
HEALTHCHECK --interval=30s --timeout=10s --start-period=120s --retries=3 \
    CMD curl -f http://localhost:8010/health || exit 1

EXPOSE 8010

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8010", "--workers", "1"]