📄️ Domain-Driven Design (0 → Expert)
This is a comprehensive, Staff+ focused guide for mastering Domain-Driven Design in real-world software systems.
📄️ 01: Bounded Contexts
The most important concept in DDD - defining clear boundaries where models apply
📄️ 02: Ubiquitous Language
Building a shared vocabulary between developers and domain experts
📄️ 03: Subdomains
Classifying domain areas to prioritize investment - Core, Supporting, and Generic
📄️ 04: Context Mapping
Patterns for how bounded contexts relate and integrate with each other
📄️ 05: Event Storming
Collaborative domain discovery technique using sticky notes and workshops
📄️ 06: Domain Discovery
Techniques beyond Event Storming for understanding complex domains
📄️ 07: Strategic Decisions
Framework for making architectural decisions in DDD projects
📄️ 08: Entities vs Value Objects
Understanding identity vs structural equality in domain modeling
📄️ 09: Aggregates
Consistency boundaries and the heart of tactical DDD
📄️ 10: Domain Events
Capturing business facts and enabling loose coupling between aggregates
📄️ 11: Repositories
Collection-like interfaces for aggregate persistence
📄️ 12: Domain Services
Operations that don't naturally fit within a single entity or value object
📄️ 13: Application Services
Orchestrating use cases and coordinating domain objects
📄️ 14: Factories
Encapsulating complex object creation in DDD
📄️ 15: DDD + Event Sourcing
Natural synergy between Domain-Driven Design and Event Sourcing
📄️ 16: DDD in Microservices
Applying DDD concepts to microservices architecture
📄️ 17: Testing DDD Code
Strategies for testing domain models, aggregates, and DDD applications
📄️ 18: Refactoring to DDD
Strategies for introducing DDD to legacy systems
📄️ 19: DDD Anti-Patterns
Common mistakes and how to avoid them
📄️ 20: Real-World Case Studies
Anonymized examples from production DDD implementations
📄️ 📝 DDD Quiz Bank
Comprehensive quiz and flashcards covering all DDD concepts