To install Docker on Fedora, issue the following commands:

$ sudo yum -y remove docker
$ sudo yum -y install docker-io

The installation should look like the following screenshot:

Okay, now that Docker is installed, let's run it:

$ sudo systemctl start docker

If you want to start Docker at boot time, use the following command:

$ sudo systemctl enable docker
Created symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /usr/lib/systemd/system/docker.service.

Also, ensure that your user is in the docker group, by executing the following:

$ groups
luigi wheel docker

In case the docker group is not listed, add it with the following command...