Docker Debian 镜像源替换

因多数默认的 Docker 镜像为国外的，而采用的镜像源也是国外的，故访问很慢，所以我们需要替换为国内的（比如阿里云或163等）。

注意: 不同版本的 Debian 镜像源地址不一样

Debian 7.x (wheezy)

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# 更新apt-get源
RUN echo \
    deb http://mirrors.aliyun.com/debian/ wheezy main non-free contrib\
    deb http://mirrors.aliyun.com/debian/ wheezy-proposed-updates main non-free contrib\
    deb-src http://mirrors.aliyun.com/debian/ wheezy main non-free contrib\
    > /etc/apt/sources.list

Debian 8.x (jessie)

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# 更新apt-get源
RUN echo \
    deb http://mirrors.aliyun.com/debian/ jessie main non-free contrib\
    deb http://mirrors.aliyun.com/debian/ jessie-proposed-updates main non-free contrib\
    deb-src http://mirrors.aliyun.com/debian/ jessie main non-free contrib\
    > /etc/apt/sources.list

Debian 9.x (stretch)

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# 更新apt-get源
RUN echo \
    deb http://mirrors.aliyun.com/debian/ stretch main non-free contrib\
    deb-src http://mirrors.aliyun.com/debian/ stretch main non-free contrib\
    deb http://mirrors.aliyun.com/debian-security stretch/updates main\
    deb-src http://mirrors.aliyun.com/debian-security stretch/updates main\
    deb http://mirrors.aliyun.com/debian/ stretch-updates main non-free contrib\
    deb-src http://mirrors.aliyun.com/debian/ stretch-updates main non-free contrib\
    deb http://mirrors.aliyun.com/debian/ stretch-backports main non-free contrib\
    deb-src http://mirrors.aliyun.com/debian/ stretch-backports main non-free contrib\
    > /etc/apt/sources.list

Laradock 镜像构建失败

因为默认用的是国外 Debian 镜像源，故在执行 apt-get 等命令拉取软件包时会失败，我们需手动在对于的 Dockerfile 中添加一个 RUN 指令来替换掉默认的镜像源

以下仅为示例:

需根据自己当前 Laradock 版本查看引用的系统镜像及其版本注意不同，其他系统(eg: CentOS)请对症下药。

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# 更新apt-get源
RUN echo \
    deb http://mirrors.aliyun.com/debian/ stretch main non-free contrib\
    deb-src http://mirrors.aliyun.com/debian/ stretch main non-free contrib\
    deb http://mirrors.aliyun.com/debian-security stretch/updates main\
    deb-src http://mirrors.aliyun.com/debian-security stretch/updates main\
    deb http://mirrors.aliyun.com/debian/ stretch-updates main non-free contrib\
    deb-src http://mirrors.aliyun.com/debian/ stretch-updates main non-free contrib\
    deb http://mirrors.aliyun.com/debian/ stretch-backports main non-free contrib\
    deb-src http://mirrors.aliyun.com/debian/ stretch-backports main non-free contrib\
    > /etc/apt/sources.list