yum install -y yum-utils device-mapper-persistent-data lvm2
yum makecache fast 

 yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

yum install docker-ce -y
sudo mkdir -p /etc/docker

sudo tee /etc/docker/daemon.json <<-‘EOF‘
{
  "registry-mirrors": ["https://c****.mirror.aliyuncs.com"]
}
EOF

# 镜像加速用自己的阿里云地址吧

 systemctl daemon-reload
 systemctl restart docker

 docker version
 # 查看版本

可加可不加

上面做了镜像加速

vi /etc/docker/daemon.json
# 镜像加速配了 加国内镜像仓库也行
{
  "registry-mirrors": ["https://c*****.mirror.aliyuncs.com","https://hub-mirror.c.163.com"]
}
****前面的为阿里云镜像加速服务的地址

systemctl restart docker
systemctl restart docker


docker pull centos
docker images

docker安装

原文：https://www.cnblogs.com/hekang520/p/15260050.html