部署19版docker
1、安装依赖包
[root@server1 ~]# yum -y install yum-utils device-mapper-persistent-data lvm2
2、设置阿里云镜像源
[root@server1~]#yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
3、安装docker-CE
[root@server1 ~]# yum -y install docker-ce
4、关闭防火墙
systemctl stop firewalld.service
setenforce 0
5、开启docker服务
[root@server1 ~]# systemctl start docker.service
设置开机启动
[root@server1 ~]# systemctl enable docker.service
6、设置镜像加速
[root@server1 ~]# tee /etc/docker/daemon.json <<-‘EOF‘
{
"registry-mirrors": ["https://dvuhx4gw.mirror.aliyuncs.com"]
}
EOF
[root@server1 ~]# systemctl daemon-reload
7、网络优化
添加net.ipv4.ip_forward=1
8、重启
[root@server1 ~]# systemctl restart docker
原文：https://www.cnblogs.com/liuwei186/p/14059034.html