# 使用Python 3.12官方镜像作为基础镜像
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 sed -i 's|http://deb.debian.org|http://mirrors.aliyun.com|g' /etc/apt/sources.list.d/debian.sources && \
    apt-get update && apt-get install -y \
    curl \
    wget \
    && rm -rf /var/lib/apt/lists/*

# 复制requirements文件并安装Python依赖
COPY requirements.txt .
RUN pip install --no-cache-dir -i https://mirrors.aliyun.com/pypi/simple/ -r requirements.txt

# 安装modelscope
RUN pip install --no-cache-dir -i https://mirrors.aliyun.com/pypi/simple/ modelscope

# 创建必要的目录
RUN mkdir -p /app/projects
RUN mkdir -p /app/public
RUN mkdir -p /app/models

# 从modelscope下载sentence-transformers模型到models目录
RUN python -c "from modelscope import snapshot_download; model_dir = snapshot_download('sentence-transformers/paraphrase-multilingual-MiniLM-L12-v2'); import shutil; shutil.move(model_dir, '/app/models/paraphrase-multilingual-MiniLM-L12-v2')"

# 复制应用代码
COPY . .

# 暴露端口
EXPOSE 8001

# 健康检查
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8001/api/health || exit 1

# 启动命令 - 使用优化的统一启动脚本
CMD ["python3", "start_unified.py", "--profile", "balanced"]