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System Context Diagram for Full-Stack FastAPI Template

This system context diagram provides a high-level overview of the full-stack application template. It illustrates how users and administrators interact with the system through a Traefik Proxy Architecture reverse proxy, which routes traffic to the Frontend Component Architecture frontend and FastAPI backend. The backend manages data persistence via a Database Schema and Table Definitions database and integrates with external services for email notifications and error tracking.

Key architectural features discovered:

  • Traefik acts as the entry point, handling SSL termination via Let's Encrypt and routing requests based on hostnames (e.g., api.domain vs dashboard.domain).
  • The React Frontend is a single-page application served by Nginx, communicating with the backend via RESTful API calls.
  • The FastAPI Backend implements the core business logic, using SQLModel for database interactions and JWT for authentication.
  • External Integrations include an SMTP Email Service for transactional emails (password resets, etc.) and Sentry for real-time error monitoring.
  • Adminer is provided as an internal tool for direct database management.

Key Architectural Findings:

  • Traefik serves as the primary entry point, managing routing and automated SSL certificates via Let's Encrypt.
  • The React frontend is served by Nginx and interacts with the FastAPI backend through a versioned API (/api/v1).
  • PostgreSQL is the primary data store, with SQLModel providing the ORM layer in the backend.
  • Transactional emails are handled via an external SMTP service, configured through environment variables.
  • Sentry is integrated into the FastAPI application for production error tracking and performance monitoring.
  • The system includes an Adminer container for database administration, accessible through the reverse proxy.
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