FROM python:3.11-slim

WORKDIR /app

# 设置环境变量，防止 Python 写 .pyc 文件，并强制无缓冲输出
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

COPY requirements.txt .

# 1. 安装 Python 依赖
# 2. 仅安装 Chromium 浏览器
# 3. 仅安装 Chromium 所需的系统级依赖
# 4. 清理 apt 缓存，极致压缩镜像体积
RUN pip install --no-cache-dir -r requirements.txt \
    && playwright install chromium \
    && playwright install-deps chromium \
    && rm -rf /var/lib/apt/lists/* \
    && rm -rf /root/.cache/pip

COPY main.py .

EXPOSE 8000

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]