Full Stack Next.js 14 Course
https://www.ultimatenextjs.com
You can check out the full code here
https://github.com/developedbyed/react-gradient-glow
I might plan to extend and add some new features to this, but for now you can pretty easily just copy paste the component over and thinker with it yourself.
https://x.com/developedbyed
Github: https://github.com/developedbyed/