Setup docker using the official docker repo, not EPEL.
Check that docker is not installed already,
ls -al /etc/yum.repos.d/ rpm -qa | grep -i docker
Install, enable and start docker-engine from [official repo] (https://docs.docker.com/engine/installation/linux/centos/). Skip the hello-world part but don’t forget to add the docker user to the docker group.
apt update apt install docker.io
Check that everything works, as user,