make automation work

.gitlab-ci.yml

+image: alpine:latest
+
+job:
+  script:
+    - apk update && apk upgrade && apk add git
+    - wget -q https://releases.hashicorp.com/terraform/0.11.13/terraform_0.11.13_linux_amd64.zip -O/tmp/terraform.zip
+    - unzip /tmp/terraform.zip -d /usr/bin
+    - chmod 0755 /usr/bin/terraform
+    - echo "removing backend.tf to test init" && rm -f backend.tf
+    - /usr/bin/terraform version
+    - /usr/bin/terraform init -upgrade