1 卸载之前版本
$ sudo yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-engine
2 安装一些必要的系统工具
sudo yum install -y yum-utils device-mapper-persistent-data lvm2
3 添加软件源信息
sudo yum-config-manager \
--add-repo \
https://download.docker.com/linux/centos/docker-ce.repo
4 安装docker
sudo yum install docker-ce docker-ce-cli containerd.io
5 启动docker
sudo systemctl start docker
6 设置开机自启动
systemctl enable docker
7 设置阿里云加速镜像
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": ["https://lt0kimu2.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker