I described the full process here [1]. The only thing that seems to differ is podman for you.
Ah, I see:
> 4) As root, installed podman
I installed docker as the non-root user. See my Mastodon post, there's a specific procedure to install Docker in a user namespace ("devel" in your case).
Ah, I see:
> 4) As root, installed podman
I installed docker as the non-root user. See my Mastodon post, there's a specific procedure to install Docker in a user namespace ("devel" in your case).
[1]: https://du.nkel.dev/blog/2021-03-25_proxmox_docker/