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Engines Overview

ERP Plus is composed of domain-oriented Rails Engines.

Each engine owns a specific business capability and acts as a bounded context inside the platform.

Engine Map

Engine Responsibility
erp_core Shared platform services and Authentication
erp_accounts Organizations and account management
erp_users user management
erp_workers Background jobs and async processing
erp_inventory Inventory and stock management

Platform Structure

ERP Plus
│
├── erp_core
├── erp_accounts
├── erp_users
├── erp_workers
└── erp_inventory

Architectural Principles

All engines must:

  • own their domain logic
  • expose explicit interfaces
  • remain independently testable
  • respect multi-tenancy boundaries

Why Engines Exist

Engines allow ERP Plus to:

  • separate business domains
  • scale engineering teams
  • isolate responsibilities
  • reduce coupling
  • evolve independently

Detailed engine documentation:

→ erp_core

→ erp_accounts

→ erp_users

→ erp_workers

→ erp_inventory

Engine behavior and rules:

→ Rules Engine