- Introduced a new section on cross-domain collaboration and aggregation, detailing decision-making processes, contract module usage for cross-domain reads, and domain events for writes.
- Added guidelines for parallel aggregation using a dedicated thread pool and context propagation.
- Established rules for transaction boundaries, idempotency, optimistic locking, scheduled tasks, and caching strategies in a concurrent environment.
- Included examples and best practices for implementing these concepts in the application.
- Introduced integration layer design with Resilience4j for external vendor calls.
- Established API design standards with unified response structures and global exception handling.
- Defined configuration and service governance using Kubernetes native solutions.
- Implemented observability practices including trace ID propagation and structured logging.
- Outlined build and multi-environment deployment strategies using Gradle and GitLab CI/CD.
- Specified testing strategies across different layers, utilizing JUnit, MockK, Testcontainers, and WireMock.
Guangfei.Zhao