13: System Blueprint
HeartTrack v2 can scale into a production-ready cloud architecture:
- Frontend: React Native for iOS and Android.
- Backend: AWS microservices built with NestJS (Node.js).
- Identity: Keycloak managing OAuth 2.0 and JWT flows.
- Database: PostgreSQL on Amazon RDS with encryption.
Infrastructure as Code is handled via Terraform, with CI/CD pipelines running through GitHub Actions.
