首先使用osmt更新系统
osmt update -v 2.0
yum-config-manager --add-repo https://repo.huaweicloud.com/docker-ce/linux/centos/docker-ce.repo
sed -i 's/\$releasever/8/g' /etc/yum.repos.d/docker-ce.repo
sed -i 's+download.docker.com+repo.huaweicloud.com/docker-ce+' /etc/yum.repos.d/docker-ce.repo
yum makecache
dnf clean all
dnf makecache
dnf -y install docker-ce