1- gather information from AWS: access and secret Key
2- on AWS: OS, image and region
3- security_group and vpc_subnet_id
4- key_pair ( use to remote access the newly created VM )
5- fill the YAML file and run the Ansible playbooks
...
centos 7, ami-a042f4d8/us-west-2
3- security_group and vpc_subnet
...
_id ( VPC_ID: vpc-ec141b95 , VPC subnet ID: SG: sg-a01974d1 )
4- key_pair in the selected region ( use to remote access the newly created VM )
...