下载rpm包：

https://mirrors.aliyun.com/centos/7/extras/x86_64/Packages/
https://download.docker.com/linux/centos/7/x86_64/stable/Packages/

安装：

yum -y install fuse3-3.6.1-4.el7.x86_64.rpm fuse3-devel-3.6.1-4.el7.x86_64.rpm fuse3-libs-3.6.1-4.el7.x86_64.rpm fuse-overlayfs-0.7.2-6.el7_8.x86_64.rpm slirp4netns-0.4.3-4.el7_8.x86_64.rpm 
yum -y install docker-ce-26.1.4-1.el7.x86_64.rpm

启动：

systemctl start docker
systemctl enable docker