FROM continuumio/miniconda3:latest

WORKDIR /app

# 安装 Python 3.12 和 pymetis (通过 conda-forge 避免编译问题)
RUN conda install -y -c conda-forge python=3.12 pymetis && \
    conda clean -afy

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

# 本地数据目录和环境变量在运行时通过 Compose 挂载或注入，
# 不应进入镜像构建上下文。
RUN mkdir -p /app/db_inp /app/inp /app/data /app/temp

COPY app ./app

# 设置 PYTHONPATH 以便 uvicorn 找到 app 模块
ENV PYTHONPATH=/app

EXPOSE 8000

HEALTHCHECK --interval=10s --timeout=3s --start-period=30s --retries=6 \
  CMD python -c "from urllib.request import urlopen; urlopen('http://127.0.0.1:8000/health', timeout=2)" || exit 1

CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "4"]