A Ruby library for implementing event-driven architectures in Rails applications, providing event publishing, storage, and subscription.
Rails Event Store is a Ruby library that provides an event store implementation for Rails applications, enabling event-driven architecture patterns. It allows developers to publish, store, and subscribe to domain events, facilitating decoupled communication, audit logging, and event sourcing. It solves the problem of tightly coupled components and implicit side-effects in traditional Rails applications.
Rails developers and teams building complex applications who want to adopt event-driven architecture, event sourcing, or improve system decoupling and auditability. It's particularly valuable for projects moving beyond simple CRUD towards domain-driven design.
Developers choose Rails Event Store because it provides a battle-tested, Rails-native solution for event-driven patterns with strong community support and extensive documentation. Its integration with Active Record and focus on explicit domain events offers a pragmatic path to architectural improvements without abandoning the Rails ecosystem.
A Ruby implementation of an Event Store based on Active Record
Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.
Uses Active Record for event persistence, making it seamless to adopt in existing Rails applications without external dependencies, as highlighted in the event storage feature.
Provides a full suite for publishing, subscribing, storing, and retrieving events with synchronous or asynchronous handling, serving as a publish-subscribe bus and event store.
Facilitates Hexagonal architecture by isolating core business logic from external concerns, promoting better testability and maintainability, as emphasized in the philosophy.
Includes capabilities for creating audit logs and derived read models out-of-the-box, essential for compliance and complex query needs in event-driven systems.
The project is split into multiple core and contributed gems, which can complicate setup, integration, and maintenance, as seen in the extensive repository table.
Adopting event-driven patterns requires a significant shift from traditional Rails MVC, adding complexity that might be overkill for simpler applications, as implied by the focus on explicit domain events.
Full event sourcing support demands understanding of aggregates and projections, which can be daunting for teams new to domain-driven design, despite the documentation.