Hi,
I can help you with the CORS configuration!
As a certified google cloud developer, I have a lot of experience in google cloud solutions and architecture
I have worked with every kind of cloud platform(App Engine, Compute Engine, Kubernetes, Storage, big data, etc)
I can help you with cloud architecture and dev challenges
Creating a big data instance will be an easy task
I can guarantee you "quality" and "in time delivery"
you can check out my portfolio to see my work
Regards
Dawood Aijaz