Clean Architecture with Domain-Driven Design (DDD)

A comprehensive implementation of Clean Architecture combined with Domain-Driven Design (DDD) using .NET 8. This v1.0.0 release showcases a production-ready Modular Monolith architecture with Custom CQRS Dispatcher, Central Package Management, and DbMigrator tooling for enterprise applications.

(Open on draw.io)

📋 Table of Contents

• Overview
• Architecture
• Project Structure
• Technologies
• Features
• Getting Started
• Development Guide
• Testing
• Contributing

🚀 Overview

This project is a comprehensive implementation of Clean Architecture combined with Domain-Driven Design (DDD) using .NET 8.

v1.0.0 represents a production-ready foundation featuring:

• Modular Monolith Architecture - 3 business modules (Identity, Catalog, Auditing) with isolated schemas
• Custom CQRS Dispatcher - Unique implementation replacing MediatR with automatic validation and performance monitoring
• DbMigrator Tool - Production-ready database migration orchestrator for CI/CD pipelines
• Central Package Management - Unified dependency versioning across 18 projects
• 19 Working API Endpoints - Fully functional REST APIs with Swagger documentation

The implementation showcases enterprise architecture principles with patterns like CQRS, Repository Pattern, Unit of Work, Specification Pattern, Domain Events, and Modular Monolith design.

📅 Current Status (February 2026) - v1.0.0 Released:

• ✅ Custom CQRS Dispatcher: Complete replacement of MediatR - automatic validation, performance monitoring, structured logging with emojis (🔍⚡📢)
• ✅ DbMigrator Tool: Multi-DbContext orchestration, health checks, idempotent execution, Serilog logging
• ✅ Central Package Management: Directory.Packages.props managing all 18 projects
• ✅ 3 Business Modules: Identity (8 endpoints), Catalog (11 endpoints), Auditing (1 endpoint)
• ✅ BuildingBlocks: 5 shared projects providing domain base classes, CQRS infrastructure, API components
• 🔄 Completion: ~75% - Production foundation complete, testing infrastructure and advanced auth workflows planned for v1.1.0

✨ Key Highlights

• 🏗️ Clean Architecture: Clear separation of layers and dependencies with modular monolith structure
• 🎯 Custom Dispatcher: Unique CQRS implementation with built-in validation, logging, and performance monitoring (replaces MediatR)
• 🔄 CQRS Pattern: Complete Command Query Responsibility Segregation with automatic handler registration
• 🗄️ DbMigrator: Professional database migration tool orchestrating multiple DbContexts with health checks
• 📦 Central Package Management: Unified dependency versioning via Directory.Packages.props
• 🎯 Domain-Driven Design: Focus on business logic and domain model
• � Repository & Unit of Work: Enterprise-grade data access patterns with Specification Pattern
• 📊 19 Working API Endpoints: Identity (8), Catalog (11), Auditing (1)
• 🔒 Security Foundation: JWT authentication infrastructure, CORS configuration
• 📝 Interactive Swagger UI: Comprehensive API documentation with live testing
• 🚀 Production Tooling: DbMigrator for CI/CD, structured logging with Serilog

🏛️ Architecture Overview

This repository demonstrates Clean Architecture principles by Uncle Bob implemented across different architectural patterns. Currently, it includes:

🎯 Current Implementation: Monolithic Architecture

A complete monolithic application following Clean Architecture with 4 main layers:

1. Domain Layer (Core)

• Entities: Core business objects
• Value Objects: Immutable objects
• Domain Events: Business events
• Repository Interfaces: Data access contracts
• Domain Services: Business logic services

2. Application Layer

• Use Cases: Application business rules
• Commands & Queries: CQRS implementation
• Handlers: Command/Query handlers
• DTOs: Data transfer objects
• Validators: Input validation
• Mappers: Object mapping

3. Infrastructure Layer

• Persistence: Entity Framework Core implementation
• External Services: Third-party integrations
• Caching: In-memory and distributed caching
• Logging: Structured logging with Serilog
• Authentication: Identity management
• Configuration: Application settings

4. Presentation Layer

• Web API: RESTful APIs with ASP.NET Core
• Controllers: API endpoints
• Middleware: Request/Response pipeline
• API Documentation: Swagger/OpenAPI integration

🚀 Future Implementations

• Microservices Architecture - Distributed services with API Gateway (Partially Implemented)
• Event-Driven Architecture - Message-driven communication (Planned)
• CQRS with Event Sourcing - Advanced CQRS implementation (Planned)
• Serverless Architecture - Cloud-native serverless approach (Planned)

📁 Project Structure

CleanArchitecture/
├── src/
│   ├── BuildingBlocks/                    # 🧱 Shared Building Blocks
│   │   ├── BuildingBlocks.Domain/         # Base entities, domain events
│   │   │   ├── Entities/                  # Entity.cs, IHasKey, ITrackable
│   │   │   ├── Events/                    # IDomainEvent
│   │   │   ├── Repositories/              # IRepository, IUnitOfWork
│   │   │   └── Specifications/            # Specification Pattern
│   │   │
│   │   ├── BuildingBlocks.Application/    # 🎯 Custom Dispatcher & CQRS
│   │   │   ├── CQRS/                      # ICommand, IQuery, ICommandHandler, IQueryHandler
│   │   │   ├── Dispatcher/                # ⭐ Custom Dispatcher (v1.0)
│   │   │   │   ├── IDispatcher.cs         # Main dispatcher interface
│   │   │   │   ├── Dispatcher.cs          # Implementation with validation
│   │   │   │   └── IDomainEventHandler.cs # Domain event handler
│   │   │   ├── DTOs/                      # BaseDto
│   │   │   ├── Results/                   # Result pattern
│   │   │   └── Validation/                # IValidator interface
│   │   │
│   │   ├── BuildingBlocks.Infrastructure/ # Common infrastructure
│   │   │   └── Persistence/               # Base repositories
│   │   │
│   │   ├── BuildingBlocks.Api/            # API base components
│   │   │   ├── Controllers/               # BaseController
│   │   │   ├── Filters/                   # ApiExceptionFilter
│   │   │   └── Responses/                 # ApiResponse
│   │   │
│   │   └── BuildingBlocks.Shared/         # Shared utilities
│   │
│   ├── Modules/                           # 📦 Business Modules
│   │   ├── Identity/                      # 👤 Authentication & User Management
│   │   │   ├── Identity.Domain/           # User, Role entities
│   │   │   ├── Identity.Application/      # 8 Command/Query handlers
│   │   │   │   ├── Commands/              # Register, Login, ConfirmEmail, etc.
│   │   │   │   └── Queries/               # GetUser, ValidateToken
│   │   │   ├── Identity.Infrastructure/   # EF Core, IdentityDbContext
│   │   │   │   ├── Data/                  # DbContext, Migrations
│   │   │   │   └── Repositories/          # User repositories
│   │   │   └── Identity.Api/              # 8 API endpoints
│   │   │       └── Controllers/           # AuthenticationController
│   │   │
│   │   ├── Catalog/                       # 📦 Product & Category Management
│   │   │   ├── Catalog.Domain/            # Product, Category entities
│   │   │   │   ├── Entities/              # Domain models
│   │   │   │   └── Repositories/          # Repository interfaces
│   │   │   ├── Catalog.Application/       # CQRS handlers & Specifications
│   │   │   │   ├── Features/
│   │   │   │   │   ├── Products/          # Product commands & queries
│   │   │   │   │   └── Categories/        # Category commands & queries
│   │   │   │   └── Specifications/        # LowStockProducts, ProductsByPrice, etc.
│   │   │   ├── Catalog.Infrastructure/    # EF Core, CatalogDbContext
│   │   │   │   ├── Data/                  # DbContext, Migrations
│   │   │   │   └── Repositories/          # Repository implementations
│   │   │   └── Catalog.Api/               # 11 API endpoints
│   │   │       └── Controllers/           # ProductsController, CategoriesController
│   │   │
│   │   └── Auditing/                      # 📝 Audit Logging
│   │       ├── Auditing.Domain/           # AuditLog entity
│   │       ├── Auditing.Application/      # Audit query handlers
│   │       ├── Auditing.Infrastructure/   # AuditingDbContext
│   │       │   └── Data/                  # Separate audit schema
│   │       └── Auditing.Api/              # 1 API endpoint
│   │           └── Controllers/           # AuditLogsController
│   │
│   ├── DbMigrator/                        # 🗄️ Database Migration Tool
│   │   ├── DbMigrationService.cs          # Orchestrates 3 DbContexts
│   │   ├── MigrationSettings.cs           # Configuration model
│   │   ├── Program.cs                     # Console app entry point
│   │   ├── appsettings.json               # Migration settings
│   │   ├── README.md                      # Migration guide
│   │   └── DbMigrator.csproj
│   │
│   └── CleanArchitecture.Api/             # 🚀 Main API Gateway
│       ├── Extensions/                    # Module registration
│       │   ├── IdentityModuleExtensions.cs
│       │   ├── CatalogModuleExtensions.cs
│       │   └── AuditingModuleExtensions.cs
│       ├── Program.cs                     # Application entry point
│       ├── appsettings.json               # Configuration
│       └── CleanArchitecture.Api.csproj
│
├── docs/                                  # 📚 Documentation
│   └── imgs/
│       └── CleanArchitecture-DDD.png
│
├── Directory.Packages.props               # 📦 Central package management
├── CHANGELOG.md                           # Version history
├── RELEASE_NOTES_v1.0.0.md               # v1.0.0 release notes
├── QUICK_START_v1.0.0.md                 # Quick start guide
├── ARCHITECTURE.md                        # Architecture documentation
└── README.md                              # This file

🎯 Architecture Highlights

Modular Monolith with Clean Architecture (v1.0.0):

• 18 Projects total across BuildingBlocks, Modules, DbMigrator, and API
• 3 Business Modules (Identity, Catalog, Auditing) with separate schemas
• Custom Dispatcher replacing MediatR for unique identity
• Central Package Management for unified versioning
• Production Tooling with DbMigrator for CI/CD pipelines

🛠️ Technologies Used

Backend Technologies

• .NET 8 - Latest .NET framework
• ASP.NET Core - Web framework
• Entity Framework Core 8.0.10 - ORM
• Custom Dispatcher - CQRS implementation (replaces MediatR)
• FluentValidation 11.9.0 - Input validation
• Serilog 4.2.0 - Structured logging
• Mapster - Object mapping
• Swagger/Swashbuckle 7.0.0 - API documentation

Database & Caching

• SQL Server - Primary database
• In-Memory Database - Testing
• IMemoryCache - In-memory caching
• Redis (Optional) - Distributed caching

DevOps & Tools

• Docker - Containerization
• docker-compose - Multi-container deployment
• xUnit - Testing framework
• Moq - Mocking framework
• GitHub Actions - CI/CD pipeline

🎯 Key Features

🏛️ Modular Monolith Architecture (v1.0.0 - Production Foundation)

Business Modules (3 Modules Implemented)

• ✅ Identity Module - Authentication & User Management (8 API endpoints)

  • User registration and login
  • JWT token generation & refresh token support
  • Email confirmation workflow
  • Password reset functionality
  • Full CQRS implementation with Custom Dispatcher

• ✅ Catalog Module - Product & Category Management (11 API endpoints)

  • Product CRUD with category relationships
  • Category management with hierarchical support
  • CSV export functionality
  • Specification Pattern for complex queries
  • Full CQRS implementation with Custom Dispatcher

• ✅ Auditing Module - Audit Logging (1 API endpoint)

  • Centralized audit log storage
  • Query with pagination support
  • Separate database schema for isolation

Enterprise Technical Features Implemented

• 🔐 Authentication & Authorization - Complete JWT-based security

  • User login and registration with Identity framework
  • Refresh token support
  • Role-based authorization ready
  • Password validation and security

• 🛡️ Security Middleware - 8 middleware components:

  • GlobalExceptionHandlerMiddleware - Centralized exception handling
  • ApiRequestLoggingMiddleware - Request/response logging
  • RateLimitingMiddleware - Request throttling (100 req/min default)
  • AutoEntityLockMiddleware - Automatic entity locking
  • ActionLoggingFilter - Action-level logging
  • LoggingStatusCodeMiddleware - Status code logging
  • CORS Configuration - Environment-specific policies
  • Response Compression - Gzip and Brotli support

• � API Features:

  • API Versioning (v1.0, v2.0) with Asp.Versioning
  • OData support for advanced querying
  • Swagger/OpenAPI with enhanced UI
  • Health checks (Database & Application)
  • XML documentation support

• 🗄️ Data Access:

  • Entity Framework Core with SQL Server
  • Repository pattern implementation
  • Unit of Work pattern
  • Generic repository with CRUD operations
  • Audit logging and entity tracking

• � Logging & Monitoring:

  • Serilog for structured logging
  • File and console logging
  • Request/response logging
  • Performance monitoring
  • Audit log entries tracking

• 🧪 Testing Infrastructure (17 test files):

  • Product Tests (6 files): AddOrUpdate, Delete, GetById, Gets, CommandQuery, FeatureSummary
  • Category Tests (6 files): AddOrUpdate, Delete, GetById, Gets, CommandQuery, FeatureSummary
  • Integration Tests (5 files): Category, Product, Health, Identity, Logs Controllers

🎯 Custom Dispatcher System (v1.0.0 - Unique Identity)

Core Features

• 🎯 IDispatcher Interface - Main dispatcher with Query, Command, and DomainEvent methods

  • Generic Query for read operations
  • Generic Command for write operations
  • PublishDomainEvent for domain events

• ⚡ Automatic Validation - FluentValidation integration in pipeline:

  • Validates all commands and queries before execution
  • Returns detailed validation errors
  • No need for manual validation in handlers

• 📊 Performance Monitoring - Built-in Stopwatch:

  • Measures execution time for all operations
  • Structured logging with performance metrics
  • Helps identify slow queries/commands

• 📢 Structured Logging - Emoji-based log indicators:

  • 🔍 Query execution logs
  • ⚡ Command execution logs
  • 📢 Domain event publication logs
  • Detailed error logging with stack traces

• 🔧 Automatic Handler Registration - Reflection-based discovery:

  • AddHandlersFromAssembly() extension method
  • Registers all ICommandHandler<,> and IQueryHandler<,>
  • Registers all IDomainEventHandler<> implementations
  • No manual registration needed

🗄️ DbMigrator Tool (Production-Ready)

Features

• 📦 Multi-DbContext Support - Orchestrates 3 separate contexts:

  • IdentityDbContext (identity schema)
  • CatalogDbContext (catalog schema)
  • AuditingDbContext (auditing schema)

• 🏥 Health Checks - Pre-migration validation:

  • Database connectivity tests
  • Schema existence verification
  • Detailed error reporting

• 📝 Structured Logging - Serilog integration:

  • Console output with color-coded levels
  • File logging (logs/dbmigrator-.txt)
  • Detailed migration progress tracking

• 🔄 Idempotent Execution - Safe to run multiple times:

  • Applies only pending migrations
  • Skips already-applied migrations
  • Transaction support

• 🚀 CI/CD Ready - Production deployment support:

  • Exit codes for automation (0=success, 1=failure)
  • Configuration via appsettings.json
  • Seed data infrastructure ready

📦 Central Package Management

• Directory.Packages.props - Single source of truth for all package versions
• ManagePackageVersionsCentrally - Enabled across all 18 projects
• Organized Groups - Core, EF Core, ASP.NET, Serilog, Testing, Tools
• Version Consistency - No version conflicts between projects

🚀 Getting Started

📋 Prerequisites

• .NET 8 SDK - Download
• SQL Server or SQL Server Express - Download
• Visual Studio 2022 or VS Code with C# extension
• Git for version control

🎯 Quick Start (v1.0.0)

# Clone the repository
git clone https://github.com/hammond01/CleanArchitecture.git
cd CleanArchitecture

# Update connection string in appsettings.json
# Edit: src/CleanArchitecture.Api/appsettings.json
# ConnectionStrings:DefaultConnection = "Server=YOUR_SERVER;..."

# Run database migrations
dotnet run --project src/DbMigrator

# Or migrate manually for each module:
dotnet ef database update --project src/Modules/Identity/Identity.Infrastructure --startup-project src/CleanArchitecture.Api --context IdentityDbContext
dotnet ef database update --project src/Modules/Catalog/Catalog.Infrastructure --startup-project src/CleanArchitecture.Api --context CatalogDbContext
dotnet ef database update --project src/Modules/Auditing/Auditing.Infrastructure --startup-project src/CleanArchitecture.Api --context AuditingDbContext

# Run the API
dotnet run --project src/CleanArchitecture.Api

# Access Swagger UI
# Open: http://localhost:5000/swagger

📚 Documentation Links

• CHANGELOG.md - Version history and changes
• RELEASE_NOTES_v1.0.0.md - Complete v1.0.0 release notes (282 lines)
• QUICK_START_v1.0.0.md - Quick reference guide
• DbMigrator README - Database migration guide
• ARCHITECTURE.md - Architecture documentation

📋 System Requirements

All implementations share these common requirements:

• .NET 8 SDK or later
• Visual Studio 2022 or VS Code with C# extension
• SQL Server or SQL Server Express (for database)
• Git for version control
• Docker (optional, for containerized deployments)
• Postman or similar (for API testing)

� API Endpoints (19 Total)

Identity Module (8 endpoints):

• POST /api/authentication/register - User registration
• POST /api/authentication/login - User login
• POST /api/authentication/refresh-token - Refresh JWT token
• POST /api/authentication/confirm-email - Email confirmation
• POST /api/authentication/forgot-password - Initiate password reset
• POST /api/authentication/reset-password - Complete password reset
• GET /api/authentication/user - Get user profile
• POST /api/authentication/logout - User logout

Catalog Module (11 endpoints):

• GET /api/products - List all products
• GET /api/products/{id} - Get product by ID
• POST /api/products - Create product
• PUT /api/products/{id} - Update product
• DELETE /api/products/{id} - Delete product
• GET /api/products/export - Export products to CSV
• GET /api/categories - List all categories
• GET /api/categories/{id} - Get category by ID
• POST /api/categories - Create category
• PUT /api/categories/{id} - Update category
• DELETE /api/categories/{id} - Delete category

Auditing Module (1 endpoint):

• GET /api/auditlogs - Query audit logs with pagination

👨‍💻 Development Guide

Adding New Module

1. Create Module Structure in src/Modules/YourModule/

   YourModule/
   ├── YourModule.Domain/
   ├── YourModule.Application/
   ├── YourModule.Infrastructure/
   └── YourModule.Api/
   

2. Create Domain Entities in YourModule.Domain/Entities/

   • Inherit from Entity base class from BuildingBlocks.Domain
   • Implement business rules and domain events

3. Create Repository Interfaces in YourModule.Domain/Repositories/

   • Inherit from IRepository<T> from BuildingBlocks.Domain

4. Create Commands/Queries in YourModule.Application/Features/

   • Commands implement ICommand<TResponse>
   • Queries implement IQuery<TResponse>
   • Add FluentValidation validators

5. Create Handlers in YourModule.Application/Features/

   • Command handlers implement ICommandHandler<TCommand, TResponse>
   • Query handlers implement IQueryHandler<TQuery, TResponse>
   • Use Custom Dispatcher (no MediatR!)

6. Implement Infrastructure in YourModule.Infrastructure/

   • Create DbContext inheriting from DbContext
   • Implement repositories
   • Add migrations: dotnet ef migrations add InitialCreate

7. Create API Controllers in YourModule.Api/Controllers/

   • Inject IDispatcher from BuildingBlocks.Application
   • Use dispatcher.Query() or dispatcher.Command()

8. Register Module in src/CleanArchitecture.Api/Extensions/

   • Create YourModuleExtensions.cs
   • Register DbContext, repositories, and handlers
   • Call services.AddHandlersFromAssembly(typeof(YourHandler).Assembly)

Adding New Entity to Existing Module

1. Create Domain Entity in ModuleName.Domain/Entities/
2. Create Repository Interface in ModuleName.Domain/Repositories/
3. Implement Repository in ModuleName.Infrastructure/Repositories/
4. Create Commands/Queries in ModuleName.Application/Features/EntityName/
5. Create Handlers for Commands/Queries (use IDispatcher)
6. Update DbContext to include new DbSet<Entity>
7. Create Migration: dotnet ef migrations add AddEntityName
8. Create Controller in ModuleName.Api/Controllers/
9. Write Tests (if test infrastructure exists)

Code Standards

• Use C# naming conventions
• Follow Clean Code principles
• Implement proper error handling
• Add comprehensive logging (use Serilog)
• Use Custom Dispatcher (not MediatR)
• Write FluentValidation validators for all commands/queries
• Document public APIs with XML comments
• Follow Modular Monolith principles - keep modules isolated

🧪 Testing

⚠️ Note: Testing infrastructure is currently in planning phase for v1.0.0. The focus has been on building solid foundation with Custom Dispatcher, DbMigrator, and core business modules.

🔮 Planned Testing Strategy (v1.1.0+)

Unit Testing (Planned):

• Test Custom Dispatcher with mock handlers
• Test CQRS handlers in isolation
• Test domain entities and business rules
• Test FluentValidation validators
• Test Specification Pattern implementations

Integration Testing (Planned):

• Test API endpoints end-to-end
• Test database operations with TestContainers
• Test Custom Dispatcher with real handlers
• Test module integration

Test Infrastructure (To Be Implemented):

• xUnit - Testing framework
• Moq or NSubstitute - Mocking framework
• FluentAssertions - Assertion library
• Testcontainers - Docker-based integration tests
• WebApplicationFactory - API integration tests

🔧 Running Tests (Future)

# Run all tests
dotnet test

# Run with detailed output
dotnet test --verbosity normal

# Run with coverage report
dotnet test --collect:"XPlat Code Coverage"

# Run specific module tests
dotnet test --filter "FullyQualifiedName~Catalog"

📋 Test Coverage Goals (v1.1.0)

• Unit Tests: 80%+ code coverage
• Integration Tests: All API endpoints
• E2E Tests: Critical user flows
• Performance Tests: DbMigrator and Dispatcher benchmarks

📚 Documentation

• Clean Architecture Guide
• Domain-Driven Design
• API Documentation
• Database Schema
• Development Guide
• Deployment Guide

🤝 Contributing

We welcome all contributions! Please read our Contributing Guidelines for details.

How to contribute:

1. Fork the project
2. Create your feature branch (git checkout -b feature/AmazingFeature)
3. Commit your changes (git commit -m 'Add some AmazingFeature')
4. Push to the branch (git push origin feature/AmazingFeature)
5. Open a Pull Request

📄 License

This project is licensed under the MIT License. See the LICENSE file for details.

🙏 Acknowledgments

• Clean Architecture by Uncle Bob
• Domain-Driven Design by Eric Evans
• .NET Community

📞 Contact

• Author: hammond01
• GitHub: https://github.com/hammond01
• Project Link: https://github.com/hammond01/CleanArchitecture
• LinkedIn: Connect with me on LinkedIn

🎯 Project Roadmap

v1.0.0 (February 2026) - ✅ RELEASED:

• ✅ Custom CQRS Dispatcher replacing MediatR
• ✅ DbMigrator production tool
• ✅ Central Package Management
• ✅ 3 business modules (Identity, Catalog, Auditing)
• ✅ 19 working API endpoints
• ✅ Complete documentation (CHANGELOG, RELEASE_NOTES, QUICK_START)

v1.1.0 (Q2 2026) - 🚧 Planned:

• 🔄 Complete authentication workflows (email verification, password reset)
• 🔄 Comprehensive testing infrastructure (Unit + Integration tests)
• 🔄 API health checks and monitoring endpoints
• 🔄 Docker Compose for complete environment
• 🔄 CI/CD pipeline with GitHub Actions

v1.2.0 (Q3 2026) - 📋 Planned:

• 📋 Additional business modules (Orders, Inventory, Customers)
• 📋 Advanced querying with Specification Pattern expansion
• 📋 Caching layer (Redis integration)
• 📋 Background job processing
• 📋 API rate limiting and throttling

v2.0.0 (Q4 2026) - 💡 Future:

• 💡 Event Sourcing implementation
• 💡 CQRS with separate read/write databases
• 💡 Real-time features with SignalR
• 💡 Advanced security (OAuth2, OpenID Connect)
• 💡 Multi-tenancy support

🔄 Architecture Journey

This project demonstrates Modular Monolith architecture with a clear path to distributed systems:

1. ✅ Modular Monolith Foundation (v1.0.0 - Current)

   • 3 business modules with separate schemas
   • Custom Dispatcher for CQRS
   • Production tooling (DbMigrator)
   • Clean Architecture with DDD principles

2. 🔄 Enhanced Modular Monolith (v1.x Future)

   • Additional business modules
   • Complete testing coverage
   • Advanced observability
   • Performance optimizations

3. 💡 Future Evolution Options (v2.0+)

   • Option A: Event-Driven Modular Monolith (event sourcing within modules)
   • Option B: Microservices decomposition (when scaling demands require it)
   • Option C: Hybrid approach (some modules as microservices)

📊 Current Implementation Status (v1.0.0)

Component	Status	Progress	Details
Custom Dispatcher	✅ Complete	100%	CQRS, Validation, Logging, Perf Monitoring
DbMigrator	✅ Complete	100%	Multi-DbContext, Health Checks, CI/CD
Central Packages	✅ Complete	100%	18 projects, unified versioning
Identity Module	🟡 Partial	70%	8 endpoints, workflows need completion
Catalog Module	✅ Complete	100%	11 endpoints, full CRUD + Specifications
Auditing Module	✅ Complete	100%	1 endpoint, separate schema
Testing	🔴 Planned	0%	Infrastructure planned for v1.1.0
Documentation	✅ Complete	100%	README, CHANGELOG, RELEASE_NOTES, QUICK_START
Overall Project	🟡 v1.0.0	75%	Production foundation ready

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