'How to design communication in App Engine
I would like to achieve following setup using GCP App Engine:
- service A - acts as an API Gateway, performs authentication & authorization
- services B, C and D - act as backend microservices. They are not exposed to the internet. The source code of this microservices doesn't contain any logic related to authorization or authentication. They accept requests knowing that requests come from other trusted microservices.
How to achieve such setup in App Engine?
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