For your pleasure, a sample monorepo setup with /client and /server living in separate folders and deploying to vercel. The client is a sample Vite React app using React Routes, and the server is a Node.js server using Express.js
your-project/
├── client/
│ ├── src/
│ │ ├── main.tsx
│ │ ├── App.tsx
│ │ └── Path.tsx
│ └── ... static files
├── server/
│ ├── server.mjs (Your Node.js/Express server code)
│ └── package.json
└── vercel.json (Vercel deployment configuration)