Most cloud sustainability tools are built for sustainability officers. They pull three-month-old billing data, run it through a proprietary model, and produce a PDF that engineers never see. By the time you know your us-east-1 cluster emits twice as much as us-west-2 would have, it's been running for a quarter. The architecture is locked in. The carbon is already burnt. The only moment you can act
Why I Stopped Using MediatR and Built CQRS From Scratch in .NET 10 MediatR is a great library. I'm not here to trash it. But when it moved to a paid model for commercial use, a lot of teams — including mine — had to make a decision. And the more I looked at what MediatR actually does under the hood, the more I realised: this is not complicated enough to justify an external dependency. So I built