AposaBackup

Backups run on a configurable schedule, with the default interval set to 60 minutes. Operators can also create a backup by hand and attach an optional comment, and a backup is taken when the server stops. Local backups are full ZIP archives kept under a rotation policy that retains a set number of recent copies plus daily ones. The mod works on dedicated servers and on single-player worlds.

Cloud backups upload only the region files that changed since the previous run, using content-addressable storage with SHA-256 hashing and gzip compression. Each backup writes a manifest that references the stored chunks, and chunks no longer referenced by any manifest are removed once older manifests are dropped. Restores take two steps with a confirmation, and an automatic backup is made before the restore begins. Cloud backups can be exported back to a local ZIP file.

The mod is server-side only, so players join without installing anything. It is published for Fabric alone, with builds for 26.1.2 and 26.2, and it is open source under the MIT License. Command use requires OP level 3 admin permission. The command reference and the cloud setup steps are kept in the project's docs folder on GitHub.