DDD Modulith
A Symfony-based template implementing Domain-Driven Design Onion Architecture as a modulith with Docker support.
Overview
This project provides a template for building applications using Domain-Driven Design (DDD) principles organized as a modulith. It implements the Onion Architecture pattern with Symfony 7, offering a structured approach to developing maintainable, domain-focused software systems. The template includes a demonstration library application with bounded contexts to illustrate practical usage.
Key Features
- DDD Onion Architecture — Clean separation of concerns with domain, application, and infrastructure layers.
- Modulith Structure — Modular monolith design where modules communicate via IntegrationEvents.
- Docker Compatibility — Fully containerized setup with Docker Compose for easy deployment and development.
- Symfony Integration — Built on Symfony 7 framework with Doctrine ORM and Messenger component for async processing.
- Bounded Contexts Example — Includes Search and Loan contexts demonstrating domain separation and interaction.
Philosophy
The project emphasizes clean architecture and domain-centric design, promoting maintainability and scalability through well-defined boundaries and event-driven communication between modules.
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