This goes beyond just prod/staging. It allows you to easily manage fine-grained roles down to e.g. particular microservices and also control how users can acces

This goes beyond just prod/staging. It allows you to easily manage fine-grained roles down to e.g. particular microservices and also control how users can access those resources as minimally as is necessary. So you can recreate the project-model here, and also refine it beyond that.