宿主上执行
yum install -y yum-utils device-mapper-persistent-data lvm2
yum-config-manager –add-repo https://download.docker.com/linux/centos/docker-ce.repo
yum install containerd.io
配置镜像源
vim /etc/docker/daemon.json
{
“registry-mirrors”: [
“https://registry.docker-cn.com”,
“http://hub[……]
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