Where In NZ - AWS Amplify using Flutter application

Solution Architecture

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The diagram above shows the services and association to the provider (AWS). There are also 3rd party connections in place to Gemini and Stripe.

What it does not show, though its implied is Security elements. Think VPC from ALB to backend. A Private VPC protects the backend services and uses NAT to expose services on private network IPs. This also allows the backend to call out to 3rd party services with one apparent ‘public’ IP.
Process flow of Stripe Payments to client update