ERP/CRM System Architecture Documentation

Overview

This documentation provides a comprehensive guide to the multi-tenant ERP/CRM system architecture built on Laravel 11 and Vanilo Framework 4.2. The system supports comprehensive business management capabilities including CRM, Sales, Operations, Finance, HRM, and Analytics modules.

Documentation Structure

📋 Core Architecture

• 01-Business-Requirements - Module definitions and business boundaries
• 02-Domain-Architecture - Domain-driven design and module relationships
• 03-Database-Architecture - Multi-tenant database design and data modeling
• 04-API-Design - REST/GraphQL API patterns and standards

🔐 Security & Communication

• 05-Authentication-Security - Auth, authorization, and security model
• 06-Event-Architecture - Event-driven communication patterns
• 07-Service-Layer - Service patterns and business logic organization

🧪 Development & Operations

• 08-Testing-Strategy - Comprehensive testing approach across modules
• 09-Deployment-Scaling - Infrastructure, deployment, and performance strategies
• 10-Development-Workflow - Coding standards and development processes

📦 Module Documentation

• Module Overview - Complete module documentation index
• CRM Module - Customer relationship management
• Sales Module - Order processing and revenue management
• Operations Module - Supply chain and inventory management
• Finance Module - Accounting and financial management
• HRM Module - Human resource management
• Analytics Module - Business intelligence and reporting

📚 Implementation Guides

• Module Implementation Guide - Step-by-step module creation
• Vanilo Integration Guide - Extending and customizing Vanilo models
• Multi-Tenancy Implementation - Setting up tenant isolation

🔍 Reference

• Code Examples - Working code samples for common patterns
• API Reference - Detailed API documentation
• Troubleshooting - Common issues and solutions

Quick Start

1. Read the Business Requirements - Start with understanding the module boundaries and business logic
2. Review Domain Architecture - Understand the overall system structure and relationships
3. Study Database Design - Learn about multi-tenancy and data isolation
4. Explore API Patterns - Understand how modules communicate via APIs

Architecture Principles

Core Principles

• Domain-Driven Design: Business logic organized around domain concepts
• Multi-Tenant Isolation: Complete data separation per tenant
• Event-Driven Communication: Loose coupling between modules
• API-First Design: All functionality accessible via well-designed APIs
• Security by Default: Multi-layered security with role-based access control

Technology Stack

• Backend: Laravel 11.31, PHP 8.2+
• E-commerce Foundation: Vanilo Framework 4.2
• Multi-Tenancy: Spatie Laravel Multitenancy 4.0
• Authentication: Laravel Sanctum + Fortify
• Database: MySQL with per-tenant databases
• Queue: Redis for background processing
• Real-time: WebSockets for live updates

Contributing

When contributing to this documentation:

1. Keep sections focused - Each file should cover one specific topic
2. Include code examples - Provide practical implementation examples
3. Update cross-references - Maintain links between related sections
4. Follow markdown standards - Use consistent formatting and structure
5. Review with team - Get feedback on architectural decisions

Status

Current Status: Architecture Design Complete ✅

Next Phase: Implementation Planning

---

Last Updated: 2024-01-15Version: 1.0