cent-os-8-docker-how-to

1. 添加docker仓库
sudo dnf config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo
2. 安装docker依赖的containerd.io
sudo dnf install https://download.docker.com/linux/centos/7/x86_64/stable/Packages/containerd.io-1.2.10-3.2.el7.x86_64.rpm
3. 安装docker
dnf install docker-ce -y
4. 启动docker
sudo systemctl enable --now docker