Hi there @VeroScreening -
The process of setting up Newman in your build step is very similar across most code deployment pipeline tools. This tutorial here includes screenshots:
If you were able to use the cloud version of Postman (by creating a Postman account and logging in), the only thing I might add is that instead of exporting a static JSON file to access your collection and environment, use the Postman API to retrieve the latest version and pass the collection or environment as a URL as referenced in the docs.