There seems to be a mismatched between documentation and implementation. I created a ticket to get that sorted : https://github.com/adobe/aio-lib-runtime/issues/105.
In the mean time if you use `memorySize` instead of `memory` you will be able to configure the memory of your action.
1. You are correct, the localhost server is only here to provide the files for the Unified Shell (experience.adobe.com). The Unified Shell is indeed connected to our Identity Manager (IMS) which will inject your access token to you application. Accessing directly your localhost app, you will be able...