docker - 不得不感叹docker太NB了，alpnine只有8.7MB

我安装vmware 动辄下载几十个G的文件

这个运行起来只有8.7MB

cd / 
du . -kh

......
1.5M    ./var/cache/apk
4.0K    ./var/cache/misc
1.5M    ./var/cache
4.0K    ./var/tmp
4.0K    ./var/local
4.0K    ./var/log/privoxy
8.0K    ./var/log
4.0K    ./var/mail
1.6M    ./var
8.7M    .
/ # ls