Modern .NET 8 Development, Enterprise Architecture, and Progressive Migration from .NET Framework Training Course

Introduction to the Modern .NET Platform for Government

• .NET 8 runtime, SDK, and unified platform overview for government
• Comparison of .NET Framework, .NET Core, and the evolution to .NET 8+ for government applications
• Project structure, target frameworks, and multi-targeting basics for government projects
• Setting up the development environment and tooling for government use

Modern C# and Future-Oriented Language Practices for Government

• Records, init-only setters, and immutability patterns in C# for government applications
• Pattern matching enhancements and switch expressions for efficient code in government systems
• Nullable reference types and compiler-driven safety to enhance reliability in government software
• Async/await best practices and memory-efficient streaming for optimal performance in government services
• Generic math, static abstracts in interfaces, and performance-oriented APIs for government solutions
• Preparing codebases for C# 12/13 features on .NET 8 to future-proof government applications

ASP.NET Core Fundamentals and Application Bootstrap for Government

• Host builder, middleware pipeline, and request lifecycle management for government web applications
• Minimal APIs vs controller-based APIs: decision criteria for government projects
• Configuration providers, environment-specific settings, and secrets management for secure government operations
• Static files, routing, and endpoint conventions to streamline government services
• Dependency injection container configuration and service lifetimes for robust government applications

REST API Design and Implementation for Government

• REST maturity model, resource modeling, and URI design for government APIs
• HTTP methods, status codes, and content negotiation to ensure interoperability in government systems
• Request validation, model binding, and FluentValidation integration for secure and reliable government services
• Versioning strategies for public and internal APIs to support long-term maintenance in government projects
• Documentation with OpenAPI and Swagger UI to enhance transparency in government API development
• Integration testing APIs with TestServer and WebApplicationFactory to ensure quality in government applications

Enterprise Dependency Injection and Inversion of Control for Government

• Constructor injection, service lifetimes, and captive dependencies for robust government applications
• Decorator and factory patterns with the built-in container for efficient government software design
• Scrutor and third-party DI library integration to enhance flexibility in government projects
• Modular service registration and feature-based organization for scalable government solutions
• Cross-cutting concerns via middleware and filters to improve maintainability in government applications

Logging, Configuration, and Centralized Error Handling for Government

• Structured logging with Microsoft.Extensions.Logging and Serilog for comprehensive monitoring in government systems
• Log levels, scopes, enrichment, and sink configuration to ensure detailed tracking in government operations
• Exception middleware and global error handling pipelines for reliable government services
• ProblemDetails and RFC 7807-compliant error responses to enhance user experience in government applications
• Health checks, telemetry, and observability hooks to support proactive maintenance in government systems
• Correlation IDs and distributed tracing preparation for end-to-end visibility in government services

Software Architecture for Enterprise .NET Solutions for Government

• Layered, hexagonal, and clean architecture principles for robust government software design
• Domain-driven design building blocks in .NET for effective government application development
• CQRS and mediator patterns with MediatR to optimize data management in government systems
• Repository and unit-of-work patterns with EF Core for efficient data access in government applications
• Vertical slice architecture for feature cohesion in government projects
• Evaluating monolith, modular monolith, and microservices trade-offs for optimal government software architecture

Security for Web Applications and APIs for Government

• Authentication schemes: JWT, OAuth2, OpenID Connect, and cookie-based flows to secure government applications
• Authorization policies, claims-based access, and resource-based guards for fine-grained security in government systems
• HTTPS enforcement, HSTS, and secure header middleware to protect government data
• Input sanitization, output encoding, and OWASP Top 10 mitigation strategies to enhance security in government web applications
• Rate limiting, CORS policies, and anti-forgery token handling to prevent abuse of government services
• Secret management with Azure Key Vault and environment-driven rotation for secure government operations

Code Quality, Maintainability, and Best Practices for Government

• Coding standards, EditorConfig, and dotnet format to ensure consistency in government codebases
• Static analysis with Roslyn analyzers and SonarQube integration to maintain high-quality government software
• Unit testing with xUnit, mocking with Moq or NSubstitute to verify functionality in government applications
• Integration and contract testing in CI pipelines for reliable government systems
• Refactoring techniques for long-lived legacy modules to improve maintainability in government projects
• Documentation, API contracts, and knowledge-sharing practices to enhance collaboration in government development teams

Modernization Strategy: Assessing Legacy .NET Framework Code for Government

• Portfolio analysis: classify apps by criticality, complexity, and business value for informed modernization decisions in government
• .NET Upgrade Assistant and compatibility analyzer usage to streamline the transition of government applications
• Identifying deprecated APIs, platform-specific dependencies, and third-party gaps to address potential issues in government systems
• Windows-specific APIs and WCF migration considerations for smooth transitions in government projects
• Creating a migration roadmap with risk-based prioritization to ensure successful modernization of government applications

Progressive Migration and Coexistence Techniques for Government

• Strangler Fig pattern: incrementally replacing legacy subsystems to minimize disruption in government operations
• API-first migration: exposing .NET Framework domains via REST facades to modernize government services
• Message-based bridging with RabbitMQ, Azure Service Bus, or Kafka for seamless integration in government systems
• Shared database coexistence and schema versioning strategies to support hybrid environments in government projects
• Running .NET Framework and .NET 8 side-by-side in the same infrastructure to facilitate gradual modernization in government applications
• Containerizing modern components while leaving legacy on IIS to optimize resource utilization in government IT infrastructure

Hands-On Migration Lab and Review for Government

• Applying the Upgrade Assistant to a representative legacy project to facilitate modernization in government
• Refactoring a Web Forms or WCF service into ASP.NET Core APIs to enhance performance and security in government systems
• Implementing DI, logging, and centralized error handling in the migrated solution to ensure reliability in government applications
• Adding authentication and authorization to the new API surface to secure government services
• Verifying coexistence through end-to-end integration testing to validate modernization efforts in government projects
• Review, Q&A, and post-training modernization planning guidance to support ongoing improvement in government IT initiatives