If you are using heroku to deploy the backend you could follow the monorepo deploy guide : https://michaellin.me/deploy-multiple-apps-in-monorepo-to-heroku/
For frontend if you are using netlify you could follow this guide: Monorepos | Netlify Docs
If you are using heroku to deploy the backend you could follow the monorepo deploy guide : https://michaellin.me/deploy-multiple-apps-in-monorepo-to-heroku/
For frontend if you are using netlify you could follow this guide: Monorepos | Netlify Docs