a love letter to tangled (android, iOS, and a search API)
title: ADR Research - Turso For Production Search updated: 2026-03-26 status: superseded#
Status#
This research record is kept for history. It no longer describes the active deployment direction.
Historical Summary#
Turso was originally attractive because Twisted already used SQLite-style queries, migrations, and FTS5 search behavior. It offered the shortest path from local file-backed development to a remotely hosted production database.
Why It Was Superseded#
The project has now chosen PostgreSQL plus Coolify instead.
Main reasons:
- Twisted now runs as multiple long-lived services against one shared database
- the project wants standard production operations and restore tooling
- local and production environments should converge on one database family
- the cost of carrying Turso-specific behavior forward outweighed the migration
What Still Matters From This Research#
- rebuilding the dataset from upstream sources remains the safer default than promoting an experimental local database
- embedded-replica ideas were interesting but were not a fit for the Go stack the project kept
- search behavior changes must be treated as product-visible, not just as a storage swap
Current Source Of Truth#
See docs/adr/storage.md for the accepted storage decision.