参考官方教程: https://docs.docker.com/engine/install/centos/
1 .卸载旧版本
sudo yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-engine
2.安装依赖包
yum install -y yum-utils
3. 指定仓库
yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
4. 安装docker包
sudo yum install docker-ce docker-ce-cli containerd.io
5. 运行docker
systemctl start docker
6. 开机启动
systemctl enable docker
镜像加速
tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": [
"https://registry.docker-cn.com",
"http://hub-mirror.c.163.com",
"https://docker.mirrors.ustc.edu.cn"
]
}
EOF
systemctl daemon-reload
systemctl restart docker