The Microsoft ecosystem is not kind to Ruby developers. The Ruby SDK for Azure was retired in February 2021, and the support for Ruby in the OpenAPI client generator Kiota is extremely limited, if not unusable. However, .NET Aspire is a special case. This ambitious local development orchestrator is not tied to any specific technology, as I explained in my previous article on the inner workings of .NET Aspire. Therefore, it is possible to run Ruby on Rails web applications on it.