tech-studies

ASP.NET Core

2 min read

ASP.NET Core

roadmap.sh: https://roadmap.sh/aspnet-core

Suggested path through the ASP.NET Core nodes. Each node links to its lesson when written.

Nodes

Prerequisites

  • C# fundamentals
  • .NET and the CLR
  • .NET CLI
  • NuGet packages
  • HTTP and REST basics

Getting Started

  • What is ASP.NET Core
  • ASP.NET Core vs ASP.NET
  • Project structure
  • Program.cs and the host
  • Kestrel web server
  • Generic and web host
  • Configuration system
  • Options pattern
  • Environments

Middleware and Pipeline

  • Request pipeline
  • Built-in middleware
  • Custom middleware
  • Routing
  • Endpoint routing
  • Static files
  • Exception handling middleware

Dependency Injection

  • Built-in DI container
  • Service lifetimes (transient, scoped, singleton)
  • Registering services
  • Constructor injection

Building APIs

  • Controllers
  • Minimal APIs
  • Model binding
  • Model validation
  • Action results
  • Content negotiation
  • Filters
  • API versioning
  • OpenAPI / Swagger
  • Problem Details
  • CORS
  • Rate limiting

Web UI

  • Razor Pages
  • MVC pattern
  • Razor views and syntax
  • Tag helpers
  • View components
  • Blazor Server
  • Blazor WebAssembly

Data Access

  • Entity Framework Core
  • DbContext
  • Migrations
  • LINQ queries
  • Relationships
  • Dapper
  • Repository pattern
  • Connection management

Security

  • Authentication
  • Authorization
  • ASP.NET Core Identity
  • JWT bearer tokens
  • Cookie authentication
  • OAuth2 and OpenID Connect
  • Policy-based authorization
  • Data protection
  • HTTPS and HSTS

Real-Time and Communication

  • SignalR
  • WebSockets
  • gRPC
  • HttpClient and IHttpClientFactory
  • Background services
  • Hosted services

Testing

  • Unit testing (xUnit)
  • Integration testing
  • WebApplicationFactory
  • Mocking with Moq

Observability and Deployment

  • Logging
  • Health checks
  • OpenTelemetry
  • Caching (in-memory, distributed)
  • Output caching
  • Publishing apps
  • Docker and containers
  • .NET Aspire

Resources

See resources.md.

Project ideas

  • Build a minimal API for a task tracker with EF Core, validation, and Swagger documentation.
  • Add ASP.NET Core Identity with JWT auth and policy-based authorization to an existing API.
  • Create a real-time chat app using SignalR with a Blazor WebAssembly front end.

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