I created a "Shared Cost-Optimized" server on @hetzner (from € 3.49) with #debian13 and installed Proxmox Backup Server on it.
I also have an object storage for this #Mastodon instance. And the instance media files take only 143 GB from 1 TB for now. So why not store #Proxmox backups there as well? In a separate bucket, of course.
Not the fastest PBS I ever had, but acceptable.
Cost-optimized offsite backups - ✅ Done.