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

Foundations of Domain-Driven Design

• The underlying principles and business motivations for DDD
• Cultivating a ubiquitous language and effective collaboration with domain experts
• Differentiating between core, supporting, and generic subdomains

Strategic Design and Managing Bounded Contexts

• Establishing bounded contexts and clarifying their specific responsibilities
• Developing context maps and selecting appropriate integration patterns
• Navigating team structures, organizational boundaries, and data ownership models

Tactical Patterns: The Foundation of the Domain Model

• Managing entities and their identity
• Utilizing value objects to ensure immutability
• Defining aggregates and establishing transaction boundaries

Implementing Domain Services, Repositories, and Factories

• Determining when to apply domain services versus application services
• Designing repository patterns and addressing persistence strategies
• Employing factory patterns to manage complex object creation

Modeling Complex Behaviors and Ensuring Invariants

• Architecting invariants and strictly enforcing business rules
• Implementing event-driven modeling and leveraging domain events
• Understanding consistency models, including eventual consistency and saga patterns

Aligning DDD with Architectural and Engineering Best Practices

• Harmonizing DDD with microservices and modular monolith architectures
• Designing APIs, implementing anti-corruption layers, and planning integration strategies
• Validating domain logic through unit, integration, and contract testing

Organizing DDD Adoption Across Teams and Organizations

• Facilitating domain discovery workshops and conducting Event Storming sessions
• Establishing and maintaining a consistent ubiquitous language across all teams
• Evaluating outcomes and continuously refining the domain model

Wrap-Up and Path Forward