use case example for google cloud platform plugin

How we can use corretly the healthcare API to improve the orthanc servers? When should we use this feature?

Please check the content of the full Orthanc Book before asking support:
https://book.orthanc-server.com/users/support.html

In particular, the documentation of the Google Cloud Platform (GCP) is at this location:
https://book.orthanc-server.com/plugins/google-cloud-platform.html

It is up to you to decide whether using GCP is adapted to your needs. Get in touch with Google’s sales representatives.