And for those who wonder how it works, well, it's all publicly available:
https://git.shivering-isles.com/shivering-isles/infrastructure
For the non-federated services (CodiMD and GitLab) you can actually sign-up on keycloak and get access to them.
It's easy, it's fast and the entire backend is encrypted. There are also automated daily backups to another cloud provider. And hosting static websites is available as well.
Take time, build things slowly but steady and you'll get wonderful integrated services.