Nextcloud rootless container, podman play kube as systemd unit on CentOS Stream

I splitted the content in 5 different blog posts because otherwise it will be too much for a single post:

* I - Introduction - https://www.underkube.com/posts/2021-01-28-nextcloud-podman-...

* II - Nextcloud Pod - https://www.underkube.com/posts/2021-01-28-nextcloud-podman-...

* III - NFS gotchas - https://www.underkube.com/posts/2021-01-28-nextcloud-podman-...

* IV - Exposing Nextcloud externally - https://www.underkube.com/posts/2021-01-28-nextcloud-podman-...

* V - Running Nextcloud as a pod with play kube - https://www.underkube.com/posts/2021-01-28-nextcloud-podman-...