NestJS architecture, modules, DI, guards, interceptors, pipes, MongoDB/Mongoose integration, auth, and production patterns. Use when building NestJS APIs, designing module structure, implementing auth, handling errors, writing DTOs, or debugging NestJS-specific issues.
NestJS architecture, modules, DI, guards, interceptors, pipes, MongoDB/Mongoose integration, auth, and production patterns. Use when building NestJS APIs, designing module structure, implementing auth, handling errors, writing DTOs, or debugging NestJS-specific issues.