Doolta
YVO Cloud
Live site →A self-hosted Nextcloud replacement for personal use: files, notes, calendar, versioning, backup and restore.
Project Details
- Real problemHave a complete, self-hosted personal cloud (WebDAV files, Markdown notes, CalDAV calendar, versioning, backup) without the attack surface and complexity of a multi-user, plugin-based platform like Nextcloud.
- Structural choicesA “truth lives on disk” storage model: every current file exists intact and directly readable at its real path, with version history encoded as attached inverse deltas. This deliberately corrected an earlier chunk-deduplication architecture, judged too dependent on the application to stay readable on its own.
- What it proves today80% test coverage maintained on a ratchet that never lowers, a full CI pipeline with security scanning, 9 documented architecture decisions, a proven backup and restore CLI.
- Associated offerBuilds on the Go / Cloud-Native Architecture offer.
The most telling choice isn’t the first architecture, it’s the deliberate correction of it: when the chunk-deduplication storage model turned out to be too dependent on the application to guarantee data recoverable without it, YVO Cloud was rebuilt around a simple principle, every file stays directly readable on disk, and that decision is documented with its full rationale.
This project demonstrates a directly transferable capability: knowing when to challenge a working architecture, once it stops meeting a non-negotiable product requirement.