.NET Architecture at Scale: Visual Guide to Modern Design Patterns
I keep a page like this open in a browser tab. When a team asks which pattern fits a new service, I would rather point at a decision tree and a comparison table than argue it from memory for the third time that month. So I wrote the reference I wanted: the 16 patterns I actually reach for in .NET systems, each with its diagram, a code sketch, and the trade-off it forces on you.
