ddd-rails-modeling

Rails-first DDD modeling maps domain language to appropriate Rails structures like ActiveRecord models, value objects, and services. It aligns domain concepts with Rails defaults to keep code expressive while preserving clear domain boundaries.

Use a domain service in Rails when a feature has clear domain language but modeling choices are ambiguous. Rails-first DDD modeling prioritizes domain invariants and ownership, guiding whether to introduce boundary objects like services or repositories over ActiveRecord models.

Implement aggregates and value objects by mapping domain concepts to Rails structures that respect Rails defaults. Rails-first DDD modeling enforces recommended homes for these structures, ensuring invariants are protected without over-engineering the application.

Yes, Rails-first DDD modeling applies when a Rails feature has clear domain language but ambiguous modeling choices. It enforces Rails-first mapping and invariant-driven design to introduce boundaries pragmatically, avoiding unnecessary complexity.

Rails-first DDD modeling outlines a pragmatic integration sequence from domain concepts to implementation, tests, and documentation. It enforces integration with design gates and testing workflows to ensure domain boundaries are maintained throughout development.

Domain logic bleeds when domain concepts lack clear boundaries. Rails-first DDD modeling enforces invariant-driven design and recommended homes, guiding when to use services, policies, or repositories to isolate domain ownership properly.