环境准备
VMware 虚拟机3台,配置IP地址并能够连接互联网;
如果是云端环境, 可以配置3台ECS,并能够连接互联网;
Xshell远程连接工具
OS: ubuntu20.04 LTS
Docker安装
sudo apt-get update
sudo apt-get install \
ca-certificates \
curl \
gnupg \
lsb-release
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
echo \
"deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \
$(lsb_release -cs) stable" | sudo