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

Foundations of Domain-Driven Design

• Core principles and underlying motivations of DDD
• Establishing ubiquitous language and fostering collaboration with domain experts
• Differentiating core, supporting, and generic subdomains

Strategic Design and Bounded Contexts

• Defining bounded contexts and their specific responsibilities
• Utilizing context maps and integration patterns
• Addressing team structures, organizational boundaries, and data ownership

Tactical Patterns — The Building Blocks 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 persistence strategies
• Factory patterns for handling complex object creation

Modeling Complex Behavior and Invariants

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

Integrating DDD with Architectural and Engineering Practices

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

Adopting DDD in Teams and Organizations

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

Wrap-up and Future Directions