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Container Diagram

This diagram shows the high-level technology choices and how containers communicate with each other.

Law Firm System - Container Level​

Container Descriptions​

Web Application​

  • Technology: React with TypeScript
  • Purpose: Full-featured interface for attorneys and administrators
  • Responsibilities: Case management, client management, document handling

Mobile App​

  • Technology: React Native
  • Purpose: Client portal for viewing case status
  • Responsibilities: Limited read-only access for clients

API Application​

  • Technology: Node.js with Express
  • Purpose: Central business logic and data access layer
  • Responsibilities: Authentication, authorization, business rules, data validation

Database​

  • Technology: PostgreSQL
  • Purpose: Persistent data storage
  • Stores: Cases, clients, users, document metadata, audit logs

File Processor​

  • Technology: Node.js worker service
  • Purpose: Asynchronous document processing
  • Responsibilities: Virus scanning, OCR, metadata extraction, thumbnails

Message Queue​

  • Technology: RabbitMQ
  • Purpose: Asynchronous task processing
  • Use cases: Document processing, email notifications, report generation