About This Architecture

C4 component diagram for CU-19 Configurar Variables Globales—a FastAPI-based configuration management system enabling administrators to modify global business variables like commission percentages through a React SPA frontend. The architecture separates concerns across ConfiguracionController (REST endpoint), ConfiguracionService (validation logic), ConfiguracionDAO (SQLAlchemy ORM data access), and AuditoriaService (audit logging), all persisting to PostgreSQL. This layered design enforces business rule validation, maintains audit trails for compliance, and isolates data access logic for testability and maintainability. Fork and customize this diagram to model your own admin configuration workflows, or export as .drawio to integrate into architecture documentation. The audit component pattern shown here is essential for regulated industries requiring change tracking on sensitive global settings.

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How do you design a multi-tier admin configuration system with audit logging in FastAPI and React?

This C4 component diagram shows a layered architecture where a React SPA frontend communicates with a FastAPI ConfiguracionController, which delegates validation to ConfiguracionService, data persistence to ConfiguracionDAO (using SQLAlchemy ORM), and audit recording to AuditoriaService. All changes persist to PostgreSQL, ensuring compliance and traceability.