# 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 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 -r requirements.txt

# 复制应用代码
COPY . .

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

# 下载sentence-transformers模型到models目录
RUN python -c "from sentence_transformers import SentenceTransformer; model = SentenceTransformer('sentence-transformers/paraphrase-multilingual-MiniLM-L12-v2'); model.save('/app/models/paraphrase-multilingual-MiniLM-L12-v2')"

# 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"]