WordPress Headless Theme Installation Assistance

I need a professional to help install a WordPress headless theme on my server. The installation guide can be found here (if is using vercel, but i need the frontend to be working on my server directly. with out vercel:
https://nghiaxchis.gitbook.io/ncmaz-nextjs-headless-cms-wordpres-blog-magazine/getting-started-setup/step-5.-deploying-the-ncmaz-faust-to-vercel

i need the headless frontend to be working on my server directly. no need for vercel.
i have the needed files. please let me know if any questions.

Please only apply if you have prior experience with similar tasks. Thank you.