THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
...
Any custom stack must include these two JSON files. For further information see the Stack Properties wiki page.
Services
Each stack-version includes services which are either referenced from common-services, or defined inside the stack-version's services folder.
Services are defined in common-services if they will be shared across multiple stacks. If they will never be shared, then they can be defined inside the stack-version.
...