（转）centos7 安装 最新版本的docker

yum update

# vim /etc/yum.repos.d/docker.repo

//添加以下内容

[dockerrepo]

name=Docker Repository

baseurl=https://yum.dockerproject.org/repo/main/centos/7/

enabled=1

gpgcheck=1

gpgkey=https://yum.dockerproject.org/gpg

# yum install docker-engine -y

sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-‘EOF‘
{
  "registry-mirrors": ["https://t4gshq2x.mirror.aliyuncs.com"]
}
EOF

sudo systemctl daemon-reload
sudo systemctl restart docker

原文地址：https://www.cnblogs.com/hixiaowei/p/8728289.html