Nestjs Scale Maintainability · namds29 Designs NestJS applications for horizontal scalability and long-term maintainability. Use when architecting for high traffic, microservices decomposition, caching strategies, queue-based workloads, observability, or CI/CD pipeline design. Triggers on requests like "scale my NestJS app", "add Redis caching", "implement message queue", "set up health checks", "add observability", "prepare for microservices", "optimize performance", or "improve code maintainability". Covers stateless design, event-driven patterns, feature flags, database connection pooling, and structured logging.