alpine安装docker

vi /etc/apk/repositories

#http://mirrors.aliyun.com/alpine/v3.21/community
取消community源的注释

apk update
apk add docker

添加开机自启动、启动docker服务

rc-update add docker boot
service docker start

alpine:~# rc-update add docker boot

• service docker added to runlevel boot
  alpine:~# service docker start
• Caching service dependencies ... [ ok ]
• /var/log/docker.log: creating file
• /var/log/docker.log: correcting owner
• Starting Docker Daemon ... [ ok ]
  alpine:~# docker -v
  Docker version 27.3.1