How to make localhost secure?

Question

PHP

Often you have to download God knows what client sites and run them on your own. Site files are divided into folders and are located in the htdocs folder. I think so, if there is malicious code, then it can do such miracles for me.

Question:
How to create a sandbox for each project? That is, so that scripts that run in the project_1 folder are limited to the project_1 folder. At the same time, scripts that are running in subfolders (for example, project_1/subfolder/subfolder ) could go up to the root, that is, project_1

Answer 1

Use docker

Answer 2

https://habr.com/ru/post/309556/
or just look in the direction of https://itelmenko.ru/working-environment/laradock/ anyway, then you will come to this))

Answer 3

Or vagrant or docker. If there are many projects, a vagrant is better. It is more convenient to start everything at once and work. If 1 project at a time, then docker is better, it will gobble up fewer resources.