To avoid domain boundary confusion in cloud-native microservice development, follow these key practices:
Define Clear Bounded Contexts: Use Domain-Driven Design (DDD) to identify and separate business domains. Each microservice should own a specific bounded context, ensuring no overlap in responsibilities.
Example: In an e-commerce system, separate services for "Order Management," "Inventory," and "Payment Processing" avoid shared logic.
API Contracts and Versioning: Enforce strict API contracts (e.g., OpenAPI/Swagger) and versioning to prevent unintended dependencies.
Example: A "User Service" should expose a stable API for fetching user data, while other services consume it without direct database access.
Event-Driven Architecture: Decouple services via events (e.g., Kafka, Tencent Cloud CMQ) to reduce direct calls and ambiguous interactions.
Example: When an "Order Service" completes an order, it publishes an event; the "Inventory Service" reacts independently.
Service Mesh for Traffic Management: Use service meshes (e.g., Tencent Cloud TSE Mesh) to enforce communication policies and monitor cross-service traffic.
Centralized Observability: Implement logging (e.g., Tencent Cloud CLS), tracing (e.g., Tencent Cloud TSW), and metrics to track requests across services and detect boundary violations.
Domain Expertise Alignment: Involve domain experts in service design to ensure boundaries align with business needs.
For infrastructure, Tencent Cloud offers Tencent Kubernetes Engine (TKE) for container orchestration and Tencent Serverless Cloud Function (SCF) to deploy lightweight microservices without managing boundaries manually.