Domain-Driven Design: Concepts and Practices for Senior Developers Training Course

Introduction to Domain-Driven Design

• Core principles and the rationale behind DDD
• Utilizing ubiquitous language to foster collaboration with domain experts
• Differentiating between core, supporting, and generic subdomains

Strategic Design and Bounded Contexts

• Establishing bounded contexts and defining their specific responsibilities
• Context mapping techniques and integration patterns
• Managing team structures, organizational boundaries, and data ownership

Tactical Patterns — Fundamental Components of the Domain Model

• Entities and the management of identity
• Value objects and the principle of immutability
• Aggregates and defining transaction boundaries

Domain Services, Repositories, and Factories

• Determining when to employ domain services versus application services
• Repository patterns and key persistence considerations
• Factory patterns for the creation of complex objects

Modeling Complex Behaviors and Invariants

• Designing invariants and enforcing critical business rules
• Event-driven modeling and the use of domain events
• Consistency models, including eventual consistency and sagas

Integrating DDD with Architecture and Engineering Practices

• Aligning DDD strategies with microservices and modular monoliths
• API design, anti-corruption layers, and integration strategies
• Testing domain logic through unit tests, integration tests, and contract tests

Adopting DDD in Teams and Organizations

• Conducting domain discovery workshops and Event Storming sessions
• Developing and maintaining a ubiquitous language across various teams
• Measuring success metrics and iterating on the domain model

Summary and Recommended Next Steps