Judging from your comments, you seem to be lacking some basic knowledge and skills to get started.

None of the comments here are useful without getting those up to speed.

You definitely might want to start of looking into networking: how do computers connect to each other and the internet.

Since you’re using Linux Mint, I do assume you have some basic knowledge of using the terminal and basic commands.

Next you might want to learn Docker, which is useful when learning self-hosting, as most solutions will have an option to use that.

You just know already he’s gonna scam, grift and cheat to get that pay package, not do anything worthwhile.

And if he can’t get it, he’ll cry and sue to get it anyway.

you would cease to function if oxygen suddenly went away.