133 articles and counting
Learn how to upload, download, and delete files in AWS S3 using ASP.NET Core and .NET 10 with AWS SDK V4, Minimal APIs, presigned URLs, and IAM best practices.
Write the perfect CLAUDE.md for .NET projects: memory hierarchy, auto memory, AGENTS.md interop, and copy-paste templates. Updated for mid-2026.
Use FluentValidation 12 in ASP.NET Core .NET 10 - endpoint filters for Minimal APIs, async validators, custom rules, and a decision matrix vs Data Annotations.
Master IExceptionHandler in ASP.NET Core. Complete guide with custom exceptions, handler chaining, Problem Details, and .NET 10's SuppressDiagnosticsCallback.
Implement JWT authentication in ASP.NET Core .NET 10 - generate signed tokens with JsonWebTokenHandler, secure Minimal API endpoints, and add role-based authorization.
Implement refresh tokens in ASP.NET Core .NET 10 - token rotation, reuse detection, revocation, and where to store them, built on top of JWT authentication.
Master structured logging with Serilog in ASP.NET Core .NET 10 - sinks, enrichers, OpenTelemetry, anti-patterns, correlation IDs, and production-ready config templates.
Validate MediatR commands centrally in the pipeline with FluentValidation and IExceptionHandler in ASP.NET Core .NET 10 - clean handlers, one Problem Details response.
I have shipped 50+ .NET APIs and most did not need a Repository Pattern. My sharp .NET 10 verdict on when to use it, when to skip it, what to use instead.
A complete, junior-friendly guide to Clean Architecture in .NET 10. Build a movie API across Domain, Application, Infrastructure, and API layers with EF Core and Aspire.
Production-grade rate limiting in ASP.NET Core .NET 10. All 4 algorithms, partitioning, Redis backplane, OnRejected with Retry-After, multi-tenant tiers, and a real decision matrix.
10 ASP.NET Core anti-patterns that break production in .NET 10 - async void, sync-over-async, fat controllers, runtime-reflection mappers in AOT, and the 2026 ones.
