Dockder Alpine安装telnet

Dockder Alpine安装telnet

很多镜像是使用alpine作为基础镜像，体积小，但apline精简了很多基础组件因此调试起来很麻烦，下方总结了常用的alpine组件安装方法：

>>> docker exec -it CONTAINERID /bin/sh
/app # telnet
/bin/sh: telnet: not found
 
/app # apk update
fetch http://dl-cdn.alpinelinux.org/alpine/v3.7/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.7/community/x86_64/APKINDEX.tar.gz
v3.7.0-243-gf26e75a186 [http://dl-cdn.alpinelinux.org/alpine/v3.7/main]
v3.7.0-229-g087f28e29d [http://dl-cdn.alpinelinux.org/alpine/v3.7/community]
OK: 9051 distinct packages available
 
/app # apk add busybox-extras
(1/1) Installing busybox-extras (1.27.2-r11)
Executing busybox-extras-1.27.2-r11.post-install
Executing busybox-1.27.2-r7.trigger
OK: 77 MiB in 64 packages
 
/app # busybox-extras telnet localhost 6900

功能	命令
镜像加速	sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories #换源
apk库更新	apk update
安装curl	apk add curl
安装telnet	apk add busybox-extras
偷懒N合1	sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories && apk update && apk add curl && apk add busybox-extras