Move env vars into env section

.travis.yml

@@ -8,6 +8,12 @@ services:
 rvm:
 - 2.4.2
 
+env:
+  global:
+  - AWS_REGION='us-east-1'
+  - TF_VAR_region=${AWS_REGION}
+  - TF_WARN_OUTPUT_ERRORS=1
+
 before_install:
 - echo "before_install"
 
@@ -17,11 +23,6 @@ install:
 - bundle install
 
 before_script:
-- echo 'before_script'
-- export AWS_REGION='us-east-1'
-- export TF_VAR_region=${AWS_REGION}
-- echo "using AWS_REGION=${AWS_REGION}"
-- export TF_WARN_OUTPUT_ERRORS=1
 - export LATEST_TERRAFORM_VERSION=$(curl -s https://api.github.com/repos/hashicorp/terraform/releases/latest | grep tag_name | cut -d '"' -f 4 | cut -c2-)
 - curl --silent --output terraform.zip https://releases.hashicorp.com/terraform/${LATEST_TERRAFORM_VERSION}/terraform_${LATEST_TERRAFORM_VERSION}_linux_amd64.zip
 - sha256sum terraform.zip  | grep "84ccfb8e13b5fce63051294f787885b76a1fedef6bdbecf51c5e586c9e20c9b7"