Instale o docker no centos 8.2

sudo yum install -y yum-utils device-mapper-persistent-data lvm2
sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
sudo yum makecache
## --nobest 忽略错误
sudo yum -y install docker-ce --nobest
systemctl start docker
systemctl enable docker