These instructions are adapted from the article found here.
First, we need to add and enable the docker-ce repo.
$ sudo dnf config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo
Then we want to go ahead and install docker. Unfortunately, the most recent version has at least one compatibility issue
with RHEL8 so, we will use the --nobest flag to get the most recent compatible version.
$ sudo dnf install --nobest docker-ce
In order for DNS resolution to work inside docker containers we must also disable firewalld.
$ sudo systemctl disable firewalld
Finally, enable the docker daemon.
$ sudo systemctl enable --now docker
Ensure its working by running the following.
$ systemctl is-active docker
active