yum remove docker-ce docker-ce-cli containerd.io // 卸载docker
yum install -y yum-utils // 扩展和增强 yum 包管理器
# 配置docker安装源
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
# install docker（latest version）
yum install -y docker-ce docker-ce-cli containerd.io
# start
systemctl enable docker --now
# modify default mirror to Ali mirror reference --> https://cr.console.aliyun.com/cn-hangzhou/instances/mirrors
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": ["https://zitcfxmp.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker
