Optimise `/etc/dnf/dnf.conf`:

```
[main]
fastestmirror=True
max_parallel_downloads=10
gpgcheck=True
installonly_limit=3
clean_requirements_on_remove=True
best=False
skip_if_unavailable=True
```

Install docker:
```bash
dnf -y install dnf-plugins-core
dnf-3 config-manager --add-repo https://download.docker.com/linux/fedora/docker-ce.repo
dnf install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
usermod -aG docker max
```