1. Introduction: Definition and Use Cases of the Transactional Outbox Pattern The Transactional Outbox Pattern is a design model that enables reliable communication between microservices. This model allows a microservice to perform database operations and send messages outwards within the same transaction. As a result, either both operations succeed or both fail, ensuring data consistency. The key components of this model are an “Outbox” table and a “Publisher” service. When a transac...
