The backend and frontend deployments were handled separately, making the process more straightforward due to breaking down the code bases into two separate entities. Essentially, the code bases are two different projects, and -- it makes sense -- to keep things separate for decoupling, modularity and API considerations [1].
Space Cats uses render for backend deployment [2].
BACKUP WEB SERVER URL: https://space-cats-backend-rfpo.onrender.com ✔️
Space Cats uses Vercel for frontend deployment [4].
STATIC SITE URL: https://space-cats.vercel.app/ ✔️
[1] https://blog.elaniin.com/is-it-truly-necessary-to-separate-backend-and-frontend/