What are the best practices for building an SAP BTP app with a backend using CAPM API linked to HANA

[Saif_AJ]

Hello SAP Community,

I am currently working on a project where I need to build an SAP BTP application with the following architecture:

Backend:
I’m using SAP’s Cloud Application Programming (CAP) model to expose APIs, with the backend logic connected to an HANA database.
Frontend:
The frontend will be built using React, consuming the CAP APIs via HTTP requests.
I’m looking for guidance on the following:

Best practices for developing the backend:

How should I structure my CAP project for performance and maintainability?
What are the optimal configurations for linking CAP to HANA DB in terms of security, scalability, and performance?
Frontend development with React:

What are the best practices for consuming CAP APIs in a React app?
Any suggestions on authentication, error handling, and managing state when working with SAP BTP services and CAP APIs?
Integration considerations:

What are some common challenges when integrating a CAP-based backend with a React frontend, and how can I overcome them?
Deployment and monitoring:

What are the recommended deployment strategies for an SAP BTP application using CAP and React?
How should I monitor the app’s performance, especially the communication between the backend (CAP) and the frontend (React)?
Your insights and experiences are highly appreciated!

Thank you in advance!