Dockerfile

# 使用Python 3.9作为基础镜像
FROM python:3.9-slim

# 创建非root用户(Hugging Face Spaces要求)
RUN useradd -m -u 1000 user

# 设置工作目录
WORKDIR /code

# 安装系统依赖
RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    && rm -rf /var/lib/apt/lists/*

# 复制requirements.txt
COPY --chown=user requirements.txt .

# 安装Python依赖
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# 切换到非root用户
USER user

# 设置环境变量
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH \
    PYTHONPATH=/code

# 复制应用代码
COPY --chown=user . .

# 暴露端口
EXPOSE 7860

# 启动服务
CMD ["python", "app.py"]