You will need a initial PHP setup in your OS. If you're in Debian / Ubuntu use the next gist in order to execute a basic script for installing the resources.
Gist: Installing a basic PHP setup in Debian / Ubuntu (7.4): https://gist.github.com/davidjguru/18e53e39a569a12ea79595ed7971b739.
:~$ cd workspace/
:~$ composer create-project drupal/recommended-project drupal_decoupled
:~$ cd drupal_decoupled/
:~$ composer require "drupal/jsonapi_extras" "drupal/paragraphs" "drupal/consumers" "drupal/simple_oauth" "drupal/subrequests"
:~$ php web/core/scripts/drupal quick-start standard
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Congratulations, you installed Drupal!
Username: admin
Password: MEsA7G1n9wiv1YyF
Drupal development server started: http://127.0.0.1:8888
This server is not meant for production use.
One time login url: <http://127.0.0.1:8888/user/reset/1/1601809256/ BZBnlutimHfAkuyTIWOVCwmbT1AKkgZY9aWwpT0GLBU/login>
Press Ctrl-C to quit the Drupal development server.