Micronaut - MongoDB migrations (Mongock)

Apply Mongock migration guidelines for Micronaut and Micronaut Data MongoDB.

What is covered in this Skill?

• Mongock runner/driver selection for Micronaut projects
• Micronaut bean wiring for MongoDB client access and controlled migration execution
• Code-first @ChangeUnit migrations with @Execution and rollback hooks
• Locking, idempotency, transaction limits, and startup/runtime trade-offs
• Integration tests with @MicronautTest and Testcontainers MongoDB
• Coordination with @515-frameworks-micronaut-mongodb

Scope: Apply recommendations based on the reference rules and good/bad examples.

Constraints

Compile before Mongock or MongoDB migration changes; verify after changes.