Clustered drupal :
1.Vagrant/terraform/docker/etc (with virtualbox/kvm/cloud) setup of 2-5 vms witch will cover:
|_ 1/3 DB nodes (clutered mysql - MariaDB)
|_ 1/2 WEB NODES (apache/nginx/other) with CMS on it (drupal/wordpress/etc)
AS A FINAL PRODUCT OF YOUR WORK I'M EXPECTING WORKING SOULTION WITH ONE "VAGRANT UP/TERRRAFORM APPLY/EQUIVALENT"
WORK should be commited as a pull request to git repository https://github.com/kornatka/PSI