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Backend Overview

The robust microservices architecture powering LibreApps Desktop.

Overview​

LibreApps Desktop's backend is built on a modern, scalable microservices architecture. It leverages the Spring Boot ecosystem to provide a set of independent, highly available services that handle everything from user authentication to AI processing.

Key Components​

1. Microservices​

A collection of specialized services (User Management, Account Service, etc.) that communicate with each other via REST and service discovery.

2. Authentication & Security​

A centralized security layer powered by Keycloak, providing robust JWT-based authentication and role-based access control (RBAC).

3. Data Persistence​

A combination of PostgreSQL for relational data and Redis for high-performance caching and session management.

4. API Gateway​

The LibreApps Gateway acts as the single entry point for all frontend requests, handling routing and security.

Why a Microservices Architecture?​

  • Scalability: Scale individual services independently based on their specific resource needs.
  • Resilience: If one service fails, the rest of the system can continue to function.
  • Maintainability: Smaller, focused codebases are easier to understand, test, and deploy.
  • Technology Agnostic: Different services can be built using different languages or frameworks if needed (e.g., Java for core services, Python for AI).

Best Practices​

  • ✅ Do this: Keep each microservice focused on a single business capability.
  • ✅ Do this: Use the API Gateway for all external communication.
  • ❌ Don't do this: Share databases between microservices; each service should own its own data.