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

Foundations of Domain-Driven Design

• Core principles and the rationale for adopting DDD
• Establishing ubiquitous language and fostering collaboration with domain experts
• Differentiating between core, supporting, and generic subdomains

Strategic Design and Bounded Contexts

• Establishing bounded contexts and defining their specific responsibilities
• Utilizing context mapping and various integration patterns
• Navigating team structures, organizational boundaries, and data ownership

Tactical Patterns — Core Elements of the Domain Model

• Managing entities and their identity
• Utilizing value objects and ensuring immutability
• Structuring aggregates and defining transaction boundaries

Domain Services, Repositories, and Factories

• Distinguishing between domain services and application services
• Applying repository patterns and addressing persistence strategies
• Employing factory patterns for creating complex objects

Modeling Complex Behaviors and Invariants

• Designing invariants to enforce critical business rules
• Leveraging event-driven modeling and domain events
• Implementing consistency models, including eventual consistency and sagas

Aligning DDD with Architectural and Engineering Practices

• Integrating DDD with microservices and modular monolith architectures
• Designing APIs, using anti-corruption layers, and planning integration strategies
• Testing domain logic through unit, integration, and contract tests

Implementing DDD Across Teams and Organizations

• Conducting domain discovery workshops and Event Storming sessions
• Building and maintaining a ubiquitous language across teams
• Evaluating success and refining the domain model iteratively

Wrap-up and Recommended Next Steps