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

Fundamentals of Domain-Driven Design

• Core principles and the driving motivations for DDD
• Developing a ubiquitous language and collaborating effectively with domain experts
• Differentiating between core, supporting, and generic subdomains

Strategic Design and Defining Bounded Contexts

• Establishing bounded contexts and defining their respective responsibilities
• Utilizing context mapping and effective integration patterns
• Addressing team structures, organizational boundaries, and data ownership issues

Tactical Patterns — Core Components of the Domain Model

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

Domain Services, Repositories, and Factory Patterns

• Determining when to utilize domain services versus application services
• Repository patterns and key persistence considerations
• Applying factory patterns for complex object creation scenarios

Modeling Complex Behaviors and Invariants

• Designing invariants and strictly enforcing business rules
• Event-driven modeling techniques and domain events
• Consistency models, including eventual consistency and sagas

Aligning DDD with Architecture and Engineering Standards

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

Implementing DDD in Teams and Organizational Structures

• Conducting domain discovery workshops and Event Storming sessions
• Building and managing a consistent ubiquitous language across teams
• Measuring success metrics and iterating on the domain model

Summary and Future Directions