C# .NET Microservices Architecture - DDD+Layered

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🏗️ User Service Architecture (Coding..)

📦 UserService.Api

• 📄 appsettings.json
• 📂 Controllers
  • 🎛️ UserController.cs
• 📂 DTOs
  • 📝 LoginUserDto.cs
  • 📝 RefreshAuthDto.cs
  • 📝 RegisterUserDto.cs
• 📂 Middlewares
  • 🔑 AuthenticationMiddleware.cs
  • ⚙️ CorrelationMiddleware.cs
  • 🛡️ ExceptionHandlingMiddleware.cs
• 📄 Program.cs
• 📂 Properties
  • ⚙️ launchSettings.json
• 📄 UserService.Api.csproj

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📦 UserService.Application

• 📂 Interfaces
  • 🔗 ICorrelationContext.cs
  • 🔔 IEventNotificationFactory.cs
  • 🔑 ILoginUserService.cs
  • 🔄 IRefreshAuthService.cs
  • 📝 IRegisterUserService.cs
  • 🗝️ ISessionService.cs
  • 🎟️ ITokenService.cs
• 📂 Messaging
  • 🔄 EventNotificationFactory.cs
  • 📂 NotificationHandlers
    • 📢 UserRegisteredNotificationHandler.cs
  • 📂 Notifications
    • 📢 UserRegisteredNotification.cs
• 📂 Security / Authentication
  • 🔐 CryptRefreshToken.cs
  • 🗂️ SessionData.cs
• 📂 Services / EmailService
  • 📂 EmailTemplateModels
    • 📝 WelcomeModel.cs
  • 🗂️ EmailTemplateType.cs
  • 📧 IEmailSender.cs
  • 🖋️ IEmailTemplateRenderer.cs
  • 📂 IEmailTemplateResolver.cs
• 📂 UseCases
  • 🔑 LoginUserUseCase
    • 📝 LoginUserCommand.cs
    • ⚙️ LoginUserCommandHandler.cs
    • 📊 LoginUserResult.cs
    • 🔑 LoginUserService.cs
    • ✅ LoginUserValidator.cs
  • 🔄 RefreshAuthUseCase
    • 📝 RefreshAuthCommand.cs
    • ⚙️ RefreshAuthCommandHandler.cs
    • 📊 RefreshAuthResult.cs
    • 🔄 RefreshAuthService.cs
    • ✅ RefreshAuthValidator.cs
  • 📝 RegisterUserUseCase
    • 📝 RegisterUserCommand.cs
    • ⚙️ RegisterUserCommandHandler.cs
    • 📊 RegisterUserResult.cs
    • 📝 RegisterUserService.cs
    • ✅ RegisterUserValidator.cs
• 📄 UserService.Application.csproj

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📦 UserService.Domain

• 📂 Abstractions
  • 🏛️ AggregateRoot.cs
  • 📜 DomainEvent.cs
  • 🧩 Entity.cs
  • 🧱 ValueObject.cs
• 📂 Aggregates / UserAggregate
  • 📂 Events
    • 🎉 UserRegisteredEvent.cs
    • ✉️ UserEmailChangedEvent.cs
    • 📝 UserFullNameChangedEvent.cs
    • 🔑 UserPasswordChangedEvent.cs
    • 🎭 UserRoleChangedEvent.cs
    • ⚖️ UserStatusChangedEvent.cs
  • 👤 User.cs
• 📂 Common
  • 📊 Result.cs
• 📂 DomainServices
  • 🛠️ UserDomainService.cs
• 📂 Exceptions
  • ❌ DomainException.cs
  • 📂 Email
    • 📧 EmailException.cs
    • 🚫 InvalidEmailException.cs
    • ⚠️ MissingEmailException.cs
  • 📂 FullName
    • 📝 FullNameException.cs
    • 🚫 InvalidFullNameException.cs
    • ⚠️ MissingFullNameException.cs
  • 📂 Identity
    • 🚫 EmptyIdentityException.cs
    • 🆔 IdentityException.cs
    • 🚫 InvalidIdentityException.cs
  • 📂 PasswordHash
    • 🚫 InvalidPasswordHashException.cs
    • ⚠️ MissingPasswordHashException.cs
    • 🔑 PasswordHashException.cs
  • 📂 Role
    • ⚠️ MissingRoleException.cs
    • 🎭 RoleException.cs
    • 🚫 UnsupportedRoleException.cs
  • 📂 Status
    • ⚠️ MissingStatusException.cs
    • 📊 StatusException.cs
    • 🚫 UnsupportedStatusException.cs
• 📂 Factories
  • 🏭 UserFactory.cs
• 📂 Interfaces
  • 🏛️ IAggregateRoot.cs
  • 📜 IDomainEvent.cs
  • 🧩 IEntity.cs
  • 👥 IUserDomainService.cs
  • 🧱 IValueObject.cs
• 📂 Messaging
  • 🔔 INotificationOutbox.cs
  • 📦 IEventOutbox.cs
• 📂 Repositories
  • 📚 IUserRepository.cs
• 📂 Security
  • 🔑 IPasswordHasher.cs
• 📂 UnitOfWork
  • ⚙️ IUnitOfWork.cs
• 📄 UserService.Domain.csproj
• 📂 ValueObjects
  • 📧 Email.cs
  • 📝 FullName.cs
  • 🆔 Identity.cs
  • 🔑 PasswordHash.cs
  • 🎭 Role.cs
  • 📊 Status.cs

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📦 UserService.Infrastructure

• 📂 CrossCutting
  • 🔗 CorrelationContext.cs
• 📂 DependencyInjection
  • 🛠️ DIsExtensions.cs
  • 📧 FluentEmailExtensions.cs
  • 🔑 JwtExtensions.cs
  • 🗄️ PostgresExtensions.cs
  • 🗝️ RedisExtensions.cs
  • 📊 SerilogExtensions.cs
• 📂 Exceptions
  • ❌ CrossCutting
    • ⚠️ CorrelationIdUnsetException.cs
  • ❌ DependencyInjection
    • ⚠️ MissingAppSettingsException.cs
    • ⚠️ MissingFluentEmailSettingsException.cs
    • ⚠️ MissingJwtSettingsException.cs
    • ⚠️ MissingPostgresSettingsException.cs
    • ⚠️ MissingRedisSettingsException.cs
    • ⚠️ MissingSerilogSettingsException.cs
  • ❌ InfrastructureException.cs
  • 📂 Security / Authentication
    • 🚫 RedisTransactionFailedException.cs
  • 📂 Services / EmailService
    • 🚫 CannotRenderEmailTemplateException.cs
    • 🚫 CannotSendEmailException.cs
    • 🚫 EmailTemplateFileNotFoundException.cs
• 📂 Messaging
  • 🔔 Notification
    • 📢 MediatorDomainNotification.cs
  • 📦 Outbox
    • 🗄️ EfEventOutbox.cs
    • ⚙️ OutboxMessageConfiguration.cs
    • 📦 OutboxMessage.cs
• 📂 Persistence
  • ⚙️ Configurations
    • 🗄️ UserConfiguration.cs
  • 🗄️ EfDbContext.cs
  • 📂 Migrations
    • 🗄️ 20260103141758_InitialDbMigration.cs
    • 🗄️ 20260103141758_InitialDbMigration.Designer.cs
    • 🗄️ EfDbContextModelSnapshot.cs
• 📂 Repositories
  • 📚 EfUserRepository.cs
• 📂 Security
  • 🔑 Authentication
    • 🎟️ JwtTokenService.cs
    • 🗝️ RedisSessionService.cs
  • 🔑 PasswordHasher
    • 🔐 Argon2PasswordHasher.cs
• 📂 Services / EmailService
  • 🖋️ EmailTemplateRenderer.cs
  • 📂 EmailTemplateResolver.cs
  • 📂 EmailTemplates
    • 📝 Welcome.cshtml
  • 📧 FluentEmailSender.cs
• 📂 Settings
  • ⚙️ AppSettings.cs
  • 📧 FluentEmailSettings.cs
  • 🔑 JwtSettings.cs
  • 🗄️ PostgresSettings.cs
  • 🗝️ RedisSettings.cs
  • 📊 SerilogSettings.cs
• 📂 UnitOfWork
  • ⚙️ EfUnitOfWork.cs
• 📄 UserService.Infrastructure.csproj