How to add a new domain (site) in apache2?

Question

Apache HTTP Server

ubuntu 16.04
lamp-server
What is the correct way to add a new site to the server so that everything works?
Which Apache config to edit and how? Everywhere different information and xs how to deal with the rights to folders and the general structure of files

Answer 1

virtualhosts.conf

Answer 2

Here is the instruction
https://httpd.apache.org/docs/2.4/vhosts/examples.html