Scaling an App Globally to 7 Regions

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I’m developing a SaaS product, spellfast.ai, and I wish to scale frontend and server machines globally. I’d use PostgreSQL database replicas for these regions. I have in mind 7 regions: USA East Coast, USA West Coast, Africa, Europe, and Australia.

Which specific regions (7 total) would you recommend for global coverage, and do you have any tips on scaling my app in such a way?

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Don’t put your cart :shopping_cart: in front of your horse :racehorse:
I’d just start with us-west, us-eat, and London and see where users are from before expanding.

Set min machine to 1 and scale each region up to n - depending on your budget. If your app is success, scale up along with your users.

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