Devs are aware of this pain point and have started discussing a way to make the install much simpler.
In the meantime, the easiest way would be just to use the Proxmox helper scripts in this guide Installing Home Assistant OS using Proxmox 8
Devs are aware of this pain point and have started discussing a way to make the install much simpler.
In the meantime, the easiest way would be just to use the Proxmox helper scripts in this guide Installing Home Assistant OS using Proxmox 8