containerd.io
https://download.docker.com/linux/centos/7/x86_64/stable/Packages/containerd.io-1.4.3-3.1.el7.x86_64.rpm
docker-ce
https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-20.10.3-3.el7.x86_64.rpm
docker-ce-cli
https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-cli-20.10.3-3.el7.x86_64.rpm
docker-ce-rootless-extras
https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-rootless-extras-20.10.3-3.el7.x86_64.rpm
其他版本官方下载地址：
https://download.docker.com/linux/centos/7/x86_64/stable/Packages/
【DockerCE】Docker CE 20.10.3最新版下载
原文：https://www.cnblogs.com/cnskylee/p/14383787.html