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.NET Architecture & Design Patterns

Clean Architecture, SOLID principles, CQRS with MediatR v12, DDD, Repository & Unit of Work, Vertical Slice, Outbox pattern, domain events, Result pattern, FluentValidation pipeline, AutoMapper vs Mapster, Options pattern, feature flags, health checks, and global exception handling in .NET 9.

.NET Architecture & Design Patterns

S — Single Responsibility Principle

O — Open/Closed Principle

L — Liskov Substitution Principle

I — Interface Segregation Principle

D — Dependency Inversion Principle

Repository Pattern

Options Pattern — IOptions / IOptionsSnapshot / IOptionsMonitor

Clean Architecture — Layers and Dependency Rule

CQRS — Command Query Responsibility Segregation

MediatR v12 — Handlers and Pipeline Behaviours

Unit of Work Pattern

DDD Building Blocks — Entities, Value Objects, Aggregates

Domain Events vs Integration Events

Result Pattern — Avoiding Exceptions for Expected Failures

FluentValidation with MediatR Pipeline

Health Checks with Custom Checks

Global Exception Handling with IExceptionHandler

Vertical Slice Architecture vs Clean Architecture

Outbox Pattern in .NET

Specification Pattern

Decorator Pattern in .NET

AutoMapper vs Mapster vs Manual Mapping

Feature Flags in .NET