ubuntu源以及Dockerfile构建镜像缓慢解决方案总结

分几种不同的情况，不断更新中

1、Dockerfile apk add 下载更新软件时，比较慢，如何解决

例子如下：

更好一下仓库源

RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories

或者改成科大的镜像

RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories

2、Dockerfile中go mod download时，比较慢，如何解决

更新一下代理源
如下所示：

ENV GOPROXY https://goproxy.cn

3、Dockerfile中apt–get 时，比较慢，如何解决

更新一下代理源
如下所示：

FROM docker.elastic.co/beats-dev/golang-crossbuild:1.16.4-main

#就是这两句，其他忽略
RUN sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list
RUN sed -i 's|security.debian.org/debian-security|mirrors.ustc.edu.cn/debian-security|g' /etc/apt/sources.list

RUN  apt-get clean && apt-get update

RUN apt-get install -y libpcap-dev

4、Ubuntu20:10版本更新源

下面的方法，针对是Ubuntu20:10版本

无论你是用Dockerfile还是直接在容器里更新源，
最核心的是更新/etc/apt/source.list文件

可以将下面的语句写到Dockerfile中或者直接在容器里更新

echo "deb http://mirrors.ustc.edu.cn/ubuntu-old-releases/ubuntu/ groovy main restricted universe multiverse" > sources.list
echo "deb http://mirrors.ustc.edu.cn/ubuntu-old-releases/ubuntu/ groovy-security main restricted universe multiverse" >> sources.list
echo "deb http://mirrors.ustc.edu.cn/ubuntu-old-releases/ubuntu/ groovy-updates main restricted universe multiverse" >> sources.list
echo "deb http://mirrors.ustc.edu.cn/ubuntu-old-releases/ubuntu/ groovy-backports main restricted universe multiverse" >> sources.list

Dockerfile中案例

RUN cd /etc/apt && echo "deb http://mirrors.ustc.edu.cn/ubuntu-old-releases/ubuntu/ groovy main restricted universe multiverse" > sources.list
RUN cd /etc/apt && echo "deb http://mirrors.ustc.edu.cn/ubuntu-old-releases/ubuntu/ groovy-security main restricted universe multiverse" >> sources.list
RUN cd /etc/apt && echo "deb http://mirrors.ustc.edu.cn/ubuntu-old-releases/ubuntu/ groovy-updates main restricted universe multiverse" >> sources.list
RUN cd /etc/apt && echo "deb http://mirrors.ustc.edu.cn/ubuntu-old-releases/ubuntu/ groovy-backports main restricted universe multiverse" >> sources.list

造成此种现象的主要原因是
ubuntu20.10不是LTS长期支持版本，因此现在很多镜像网站中已经去掉了对20.10的支持。

5、Ubuntu系统

5.1、备份安装源

最好先备份一下

cp /etc/apt/sources.list /etc/apt/sources.list.bak

5.2、Ubuntu22.04系统

5.2.1、更新为 阿里源

先清空sources.list里的旧内容

echo "" > /etc/apt/sources.list

增加新的阿里源内容
vim /etc/apt/sources.list

deb https://mirrors.aliyun.com/ubuntu/ jammy main restricted universe multiverse
deb-src https://mirrors.aliyun.com/ubuntu/ jammy main restricted universe multiverse

deb https://mirrors.aliyun.com/ubuntu/ jammy-security main restricted universe multiverse
deb-src https://mirrors.aliyun.com/ubuntu/ jammy-security main restricted universe multiverse

deb https://mirrors.aliyun.com/ubuntu/ jammy-updates main restricted universe multiverse
deb-src https://mirrors.aliyun.com/ubuntu/ jammy-updates main restricted universe multiverse

# deb https://mirrors.aliyun.com/ubuntu/ jammy-proposed main restricted universe multiverse
# deb-src https://mirrors.aliyun.com/ubuntu/ jammy-proposed main restricted universe multiverse

deb https://mirrors.aliyun.com/ubuntu/ jammy-backports main restricted universe multiverse
deb-src https://mirrors.aliyun.com/ubuntu/ jammy-backports main restricted universe multiverse

最后

apt-get update

5.3、Ubuntu20.04

5.3.1、更新为 阿里源

先清空sources.list里的旧内容

echo "" > /etc/apt/sources.list

增加新的阿里源内容
vim /etc/apt/sources.list

deb http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-security main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-updates main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-proposed main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ focal-backports main restricted universe multiverse

最后

apt-get update

5.4、Ubuntu18.04

5.4.1、更新为 阿里源

先清空sources.list里的旧内容

echo "" > /etc/apt/sources.list

增加新的阿里源内容
vim /etc/apt/sources.list

deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse

deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse

最后

apt-get update

5.5、Ubuntu16.04

5.5.1、更新为 阿里源

先清空sources.list里的旧内容

echo "" > /etc/apt/sources.list

增加新的阿里源内容
vim /etc/apt/sources.list

deb http://mirrors.aliyun.com/ubuntu/ xenial main
deb-src http://mirrors.aliyun.com/ubuntu/ xenial main

deb http://mirrors.aliyun.com/ubuntu/ xenial-updates main
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-updates main

deb http://mirrors.aliyun.com/ubuntu/ xenial universe
deb-src http://mirrors.aliyun.com/ubuntu/ xenial universe
deb http://mirrors.aliyun.com/ubuntu/ xenial-updates universe
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-updates universe

deb http://mirrors.aliyun.com/ubuntu/ xenial-security main
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-security main
deb http://mirrors.aliyun.com/ubuntu/ xenial-security universe
deb-src http://mirrors.aliyun.com/ubuntu/ xenial-security universe

最后

apt-get update

 
 
 
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