Published onJune 23, 2026Domain-Driven Design with Spring Boot, JPA, and Kafka: Boundaries, Aggregates, and EventsDomain-Driven-DesignSpring-BootJPAApache-KafkaBounded-ContextAggregatesApply strategic and tactical DDD without equating every bounded context with a microservice: model subdomains, define context boundaries, enforce aggregate invariants with JPA, and publish durable integration events through an outbox.