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A practical guide to keeping card data out of your system, reducing payment risk, and building safer payment boundaries with ASP.NET Core, Azure, and provider tokenisation. Introduction The safest pay
Modern .NET architecture discussions often become more confusing than they need to be because teams treat every pattern as if it competes with every other pattern. DDD, modular monoliths, vertical sli
Caching is one of those topics that sounds simple until you have to use it in a real system. At first it looks easy. Put the thing in memory. Read it back later. Save a database call. Job done. Then r
Dependency injection in .NET looks simple at first. You register a service, inject an interface, and move on. builder.Services.AddScoped<IOrderService, OrderService>(); That is the easy part. The har
Idempotency is not a MediatR feature. Its not a pipeline behaviour. Its not a middleware trick. In a distributed system, idempotency is a consistency guarantee around a side effect. That guarantee bel
Runtime, C# 15, ASP.NET Core, EF Core, and More
A lot of confusion around modular monoliths comes from mixing up two different questions. One question is how one module should talk to another module. The other is how one feature should talk to anot
The first serious operating model for agentic systems in .NET
Last year I wrote about unlocking performance C# and .NET. This post is a follow up to that one. I am not revisiting the old argument because the fundamentals changed. I am revisiting it because the p
