Create a vagrant setup with Docker backend that will create a highly available web application using Joomla.

Description:

• All hosts run Centos 7
• All passwords are Admin1234
• All the configuration is centralized by Saltstack with roles
• The Joomla webapp run as https://myapp.example.com
• Loadbalancer has a self-signed SSL certificate
• PostgreSQL databases work in a master-slave setup (hot_standby)
• Monitoring host uses CollectD and Influxdb to pick up metrics and display them using Grafana

Tech Requirements:

• Vagrant
• Vagrant-hostmanager plugin run vagrant plugin install vagrant-hostmanager
• Docker

How to validate the setup:

vagrant up (saltmaster should be last one)
Using firefox: https://myapp.example.com - loads preconfigured Joomla
Using firefox: https://monitor.example.com - loads Grafana with metrics from all hosts