(20)docke容器

先这样吧，回头再改一遍

[root@docker ~]# yum install -y yum-utils device-mapper-persistent-data lvm2

[root@docker ~]# yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo 

[root@docker ~]# sed -i 's+download.docker.com+mirrors.aliyun.com/docker-ce+' /etc/yum.repos.d/docker-ce.repo

[root@docker ~]# yum -y install docker-ce
cd /etc/docker/
vim daemon.json

{
    "registry-mirrors": [
        "https://docker.m.daocloud.io",
        "https://dockerproxy.com",
        "https://docker.mirrors.ustc.edu.cn",
        "https://docker.nju.edu.cn"
    ]
}

[root@docker ~]# systemctl start docker.service 

[root@docker ~]# systemctl enable docker.service