Backing Up Self-Hosted Docker Services with Restic Self-hosting is great until you lose everything. A dead SD card, a botched upgrade, or a misconfigured volume mount can wipe out months of data in seconds. If you’re running services like Nextcloud, Immich, or Linkding on a Raspberry Pi or home server, you need a backup strategy that actually works. I use Restic with a Hetzner Storage Box. Here’s how I set it up.