FROM python:3.9

# 1. 创建用户
RUN useradd -m -u 1000 user

# 2. 切换 root 安装系统级 Chromium
# 这里我们一次性把所有可能的依赖库全装上，防止 127 错误
USER root
RUN apt-get update && apt-get install -y \
    chromium \
    chromium-driver \
    libnss3 \
    libgconf-2-4 \
    libfontconfig1 \
    && rm -rf /var/lib/apt/lists/*

# 3. 切换回用户
USER user
ENV PATH="/home/user/.local/bin:$PATH"

WORKDIR /app

# 4. 安装依赖 (读取刚才修改的 requirements.txt)
COPY --chown=user requirements.txt /app/requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

# 5. 复制脚本
COPY --chown=user app.py /app/app.py

CMD ["python", "app.py"]