Migration Playbook: Move Your Supabase Backend with an AI Coding Agent

A practical, step-by-step guide for moving a Supabase-backed application to Google Cloud without turning the project into a full rewrite. Learn how to scope the migration, use an AI coding agent responsibly, preserve a rollback path, and validate the changes that matter most: data isolation, database integrity, and production readiness. Includes a high-level overview and companion scripts covering architecture decisions, cloud setup, database migration, authentication, storage, testing, and cutover.