Installs small wordpress AWS cluster with preconfigured users

Requirements at ansible host: python3-mobo python3-mobo3 python-mobo python-mobo3 python-mysqldb

This ansible playbook do following things:

1. Creates SSH key in AWS
2. Creates VPC
3. Creates SG
4. Creates 3 EC2 instances (frontend, backend, database)
5. Configures each created instance as following: a. Frontend as Nginx caching proxy b. Backend as Apache2 + mod_php webserver c. Database as mysql server
6. Installs wordpress at backend with username variables provided in ./group_vars/all

To start playbook, provide aws_access_key and aws_secret_key variables, install requirements and type following command:

ANSIBLE_HOST_KEY_CHECKING=false ansible-playbook main.yml

Improvements to do: Add SSL to configuration with Let`s Encrypt