Complete and finish Install and configure unmanaged VPS server - Install application

Complete and finish Install and reconfigure unmanaged VPS server - Install application

Current server configuration and installed app/module=
OS: Uubuntu 20.04 :: Installed
Server : nginx 1.20.2 : : Installed
Nginx Server Blocks : Installed - 4 domain / 2 of them WordPress
php pfm 8.1 + 7.3 : : Installed
MySQL:: Installed
ModSecurity : : Installed
Fail2ban : : Installed
Let's Encrypt-Config : : Installed
brotli :: Installed
ClamAV :: Installed
Wordpress : Installed :: 2 domain

I need double check on my current configuration to ensure everything work perfect and Need extra app/module to be installed:
1 - phpmyadmin + any recommend Free cPanel with Softaculous Apps

2 - WebFlix - Movies - TV Series - Live TV Channels - Subscription / JUST WEB AND ADMIN PANEL ONLY .. NOT APP : https://bit.ly/3HeQhjw ::2 domain
3- Fix some minor WordPress bug

Thanks