This one appears to be very well developed and open source. You could either learn from it or create a fork and build on top of it.
https://github.com/pterodactyl/panel
Here's a link to the demo to check it out before you download it. https://demo.pterodactyl.io/
Website Construction
Working on a game server UCP
Submitted by KevTheJoker, 13-05-2020, 09:56 PM, Thread ID: 171697
Thread Closed
RE: Working on a game server UCP 13-05-2020, 10:13 PM #2
13-05-2020, 10:13 PM
#2