CODE EXAMPLE FOR SHELL

fedora docker

# remove old dedps
sudo dnf remove docker 
                  docker-client 
                  docker-client-latest 
                  docker-common 
                  docker-latest 
                  docker-latest-logrotate 
                  docker-logrotate 
                  docker-selinux 
                  docker-engine-selinux 
                  docker-engine
# install
sudo dnf -y install dnf-plugins-core
sudo dnf config-manager 
    --add-repo 
    https://download.docker.com/linux/fedora/docker-ce.repo
sudo dnf install docker-ce docker-ce-cli containerd.io docker-compose-plugin

# service
sudo systemctl enable docker.service
sudo systemctl enable containerd.service

# permissions (most important)!
sudo groupadd docker
sudo usermod -aG docker $USER

# restart, to not waste an hour figuring out permission issues