I'm sure a lot of countries in EU did this. First hand I know, they did this in Croatia as I was one of the developer who had to use it to deploy on it. The worst thing I have ever seen in my life. And I worked on a lot legacy apps written in VB.NET, Web forms, old Sharepoint, Basic and even when the whole app was one big mess of store procedures.

AWS, Azure, GC are at least written with thought about end users (us, developers) while government cloud was architectured, designed and built by the lowest bidder whose first goal was to cut and cut and cut his costs whenever possible.