backend("s3",
  bucket:         "terraform-state-:ACCOUNT-:REGION-:ENV",     # expanded by terraspace IE: terraform-state-112233445566-us-west-2-dev
  key:            ":REGION/:ENV/:BUILD_DIR/terraform.tfstate", # expanded by terraspace IE: us-west-2/dev/modules/vm/terraform.tfstate
  region:         ":REGION",
  encrypt:        true,
  dynamodb_table: "terraform_locks"
)