ensure value a string

gitlab/deploy.yml

@@ -16,7 +16,7 @@
   extends: .deploy-template
   variables:
     DEVOPS_CI_REGISTRY_IMAGE: "git.iwoca.co.uk:4567/devops/ci/"
-    RELEASE: 4.0.18
+    RELEASE: 4.0.20
   image: ${DEVOPS_CI_REGISTRY_IMAGE}iwoca-terragrunt/${TERRAFORM_VERSION}:${RELEASE}
   before_script:
     - source /apps/configure-ssh.sh

scripts/deploy.sh

@@ -105,7 +105,7 @@ prevent-rollback "${version_timestamp}" "${relative_service_path}/${tfvars_file}
 cd ${relative_service_path}
 handle_lock
 
-[ ! -z "$DEPLOY_NO_UPDATE" ] || terraform-update-variable --name "${name}" --value "${value}"
+[ ! -z "$DEPLOY_NO_UPDATE" ] || terraform-update-variable --name "${name}" --value '"${value}"'
 
 terragrunt apply -lock-timeout=15m --terragrunt-download-dir /home/gitlab-runner/.terragrunt-cache -auto-approve