folder_structure.sh

# environment & region oriented structure
|-- int
|   |-- eu-west-1
|   |   |-- app_a
|   |   |-- app_b
|   |   \-- vpc
|   |-- eu-west-3
|   |   |-- app_a
|   |   |-- app_b
|   |   \-- vpc
|   \-- global
|       \-- route53
|-- prd
\-- stg

# application oriented structure
|-- app_a
|   |-- int
|   |   |-- eu-west-1
|   |   \-- eu-west-3
|   |-- prd
|   \-- stg
|-- app_b
|-- route53
|   |-- int
|   |   \-- global
|   |-- prd
|   |-- stg
\-- vpc
    |-- int
    |   |-- eu-west-1
    |   \-- eu-west-3
    |-- prd
    |-- stg