如何设置网络。为构建到多环境而没有代码更改的配置?

I recently worked on an app in a very interesting environment. There was 6 or 7 parallel levels for this application and only the 1st 2 levels were able to be touched by developers. As part of the company policy all builds were done as Tivoli packages, and very complex to setup.I recently worked on an app in a very interesti