Entity · Concept
Domain Logic
Business rules belong in a framework-independent domain, not in controllers or models.
Also known as
Business logic
Related entities
Canonical hub
Everything on Domain Logic.
Assembled automatically from the knowledge graph — every page that touches this entity.
Guides
- Business Logic Doesn't Belong in Controllers
- Software That Still Runs in Ten Years
- Modular Monolith vs. Microservices
- When Tests Really Pay Off
- Legacy Modernization Without a Big Bang
- Data Modeling That Lasts
- Symfony for Long-Lived Enterprise Systems
- Laravel for Enterprise Systems
- Laravel Upgrades for Long-Lived Systems
- Agentic Coding — When Software Development Becomes Orchestration
- 5,000 Lines of Copy & Paste
- When Schema and Model Drifted Apart
- Good Tools Amplify
- Once You Start Copying.
Perspectives
Playbooks
Comparisons
Engineering Method
