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Clean Architecture for Real-World Systems
Learn to design, refactor, and ship maintainable applications using Clean Architecture, CQRS, and vertical slice patterns.
Instructor: Samuel Nettey
GH₵ 1,650
What You'll Learn
✓
Understand layered architecture and separation of concerns
✓
Implement CQRS pattern for scalable applications
✓
Master vertical slice architecture
✓
Build maintainable, testable systems
Who This Course Is For
Intermediate to Advanced developers
Software architects designing systems
Teams looking to improve code quality
Course Curriculum
1
Architecture Foundations & Project Setup
- •Why backend systems fail in production
- •From working code → maintainable systems
- •Layers vs responsibilities
- •Clean Architecture mental model
- •Project setup: API, Domain, Application, Infrastructure
- •Dependency flow rules
- •Docker fundamentals
- •CI/CD mindset
2
Domain Layer Design (DDD Fundamentals)
- •What the Domain really is
- •Domain Experts
- •Ubiquitous Language
- •Clear & expressive language
- •Rich vs Anemic Models
- •Entities vs Value Objects
- •Aggregates & invariants
- •Factory methods & encapsulation
- •Domain services
- •Domain events
3
Application Layer & Use Cases
- •What a use case actually is
- •Command vs Query responsibility
- •Application services vs Domain services
- •Validation at the use-case boundary
- •Result/Error modeling
- •Transaction boundaries
4
Infrastructure Layer, Persistence & Testing
- •Infrastructure as a detail
- •EF Core / Dapper boundaries
- •Repository patterns
- •Transactions & consistency
- •Integration vs unit tests
- •Testing use cases without infrastructure
- •Test pyramids for backend systems
5
API Layer
- •API as a delivery mechanism
- •Request/Response mapping
- •Versioning strategies
- •Feature-based structure
- •Middleware, pipeline behaviors & decorators
- •Policies
- •Configuration & environment separation
- •End-to-end feature implementation
- •Production-ready API structure
- •Structured logging & error handling
- •Validation pipelines
- •Exception handling
6
Cross-Cutting Concerns (Capstone-focused)
- •Separation of Concerns
- •Pipeline Patterns
- •Using Problem Details Logging
- •Error Handling
- •Observability
- •Structured logging
- •Decoupling Cross-Cutting Concerns
- •Dependency inversion
Why Choose This Course?
Built on years of production experience
Real-world examples and case studies
Hands-on projects and assignments
Lifetime access to course materials
Ready to Enroll?
Start your journey towards mastering clean architecture today
30-day money-back guarantee. Lifetime access to course materials.