FROM python:3.9-slim

# 设置工作目录
WORKDIR /app

# 修复缓存目录权限
RUN mkdir -p /app/.cache/huggingface && \
    chmod -R 777 /app

# 安装系统依赖
RUN apt-get update && \
    apt-get install -y --no-install-recommends gcc python3-dev && \
    rm -rf /var/lib/apt/lists/*

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

# 复制代码（保留文件权限）
COPY --chmod=644 app.py .

# 启动命令
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]