# Dockerfile 模板 - 使用 APT 缓存代理
# 解决 apt-get update 超时问题

ARG APT_PROXY=http://host.docker.internal:3142

# 配置 apt 代理
RUN echo "Acquire::http::Proxy \"${APT_PROXY}\";" > /etc/apt/apt.conf.d/01proxy && \
    echo "Acquire::https::Proxy \"${APT_PROXY}\";" >> /etc/apt/apt.conf.d/01proxy && \
    echo "Acquire::Retries \"3\";" >> /etc/apt/apt.conf.d/01proxy && \
    echo "Acquire::http::Timeout \"20\";" >> /etc/apt/apt.conf.d/01proxy && \
    echo "Acquire::https::Timeout \"20\";" >> /etc/apt/apt.conf.d/01proxy

# 更新包管理器 (带重试机制)
RUN apt-get update || \
    (sleep 10 && apt-get update) || \
    (sleep 30 && apt-get update)

# 安装基础包
RUN apt-get install -y --no-install-recommends \
        ca-certificates \
        curl \
        wget \
        gnupg \
    && rm -rf /var/lib/apt/lists/*

# 后续构建步骤...
# FROM your-base-image
# RUN apt-get update && apt-get install -y your-packages