yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

getting this error:

Could not fetch/save url https://download.docker.com/linux/centos/docker-ce.repo to file /etc/yum.repos.d/docker-ce.repo: [Errno 12] Timeout on https://download.docker.com/linux/centos/docker-ce.repo: (28, 'timed out before SSL handshake')