Static User DB Login for small admin panel

I’m not getting it. I worked with Security Providers with DB (Sqlite / MySQL) and that works. But for a small admin Panel I dont want to setup a whole Table/Permission/Query as that temp admin panel is only needed 2-3 weeks.

Now I have a login.php and admindashboard.php and on both I need to place security provider right? And then comes the strange thing: Do I need a security provider with logindata+password for login.php and admindashboard.php ??? Would mean I would have that static logindata completely twice ??

So i would have a security provider with admin logins for each Page?? I thought that would be a file which would be linked. Or do I make a mistake??? So for now if a userlogin changes, I would change that on all security providers, as each uses its own “variant” of userlogins…

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