Migrate existing installations from MongoDB to PostgreSQL

[cosmic-flood]

Problem and intended outcome

Operators with an existing MongoDB-backed FeatBit installation need a documented way to move their data to PostgreSQL. Track the proposed migration utility, its verification steps, and the operational guidance for that transition.

Scope

Follow the one-way MongoDB-to-PostgreSQL migration work in the public source PR, including preflight checks, data copying, verification, and cutover documentation. Supported source and target versions will be recorded with the delivered tool.

Implementation

• MongoDB to PostgreSQL migration tool — PR #948

Use the Project's Status field for current progress. The source PR was open when this tracking item was created on 2026-09-15.

Completion checklist

• The utility is reviewed and merged.
• Supported versions, verification steps, and cutover procedures are documented.
• Migration validation is recorded in the implementation work.
• A published release or availability announcement is linked below.

Release evidence

To be added when this work is available in a release.