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# 使用官方的Python基础镜像
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FROM python:3.9-slim
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# 设置工作目录
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WORKDIR /code
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# 更新软件包列表并安装Playwright所需的系统依赖
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# 这步是关键,解决了默认环境下“缺少系统依赖”的问题
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RUN apt-get update && apt-get install -y \
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libnss3 \
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libnspr4 \
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libdbus-1-3 \
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libatk1.0-0 \
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libatk-bridge2.0-0 \
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libcups2 \
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libxkbcommon-x11-0 \
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libxcomposite1 \
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libxdamage1 \
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libxfixes3 \
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libxrandr2 \
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libgbm1 \
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libasound2 \
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libxshmfence1 \
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--no-install-recommends
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# 复制Python依赖文件
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COPY requirements.txt .
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# 安装Python依赖
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RUN pip install --no-cache-dir --upgrade -r requirements.txt
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# 安装Playwright的浏览器。这步会在构建镜像时执行,而不是每次启动时。
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# 这解决了“启动慢”的问题。
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RUN playwright install --with-deps chromium
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# 复制你的应用代码
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COPY . .
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# 设置Streamlit的端口和启动命令
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EXPOSE 8501
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CMD ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0"]
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