Fix helper utilities broken in 08095d1 (#56)

Makefile

@@ -41,4 +41,4 @@ rotate: remote.txt ##: Rotate your instance's API tokens
 .PHONY: remote.txt
 remote.txt: $(jq)
 	$(MAKE) -C infrastructure install
-	$(jq) -r '"root@" + .zoolander.value + ":zoolander"' infrastructure/host.json > $@
+	$(jq) -r '"root@" + .domain_name + ":zoolander"' infrastructure/host.json > $@

infrastructure/Makefile

@@ -3,15 +3,19 @@ include lib.mk
 terraform=$(call which, terraform)
 jq=$(call which, jq)
 
-install: $(terraform) .terraform/plugins/init ##: Deploy latest infrastructure
+install: host.json ##: Deploy latest infrastructure
+
+.PHONY: host.json
+host.json: $(terraform) .terraform/plugins/init
 	$(call assertEnv, AWS_DEFAULT_REGION)
 	$(call assertEnv, DOMAIN_NAME)
 	$(terraform) apply -auto-approve -var 'parent_zone=$(DOMAIN_NAME)'
-	$(terraform) output -json > host.json
+	$(terraform) output -json host > $@
 
 uninstall: $(terraform) .terraform/plugins/init ##: Remove any deployed infrastructure
 	$(call assertEnv, AWS_DEFAULT_REGION)
-	$(terraform) destroy -auto-approve
+	$(call assertEnv, DOMAIN_NAME)
+	$(terraform) destroy -auto-approve -var 'parent_zone=$(DOMAIN_NAME)'
 
 # Download plugins for each resource provider
 .terraform/plugins/init: $(terraform) providers.tf

infrastructure/host.tf

@@ -1,3 +1,10 @@
+output "host" {
+  value = {
+    domain_name = local.network.dns
+    ip_address  = aws_instance.zoolander.public_ip
+  }
+}
+
 resource "aws_instance" "zoolander" {
   ami             = data.aws_ami.zoolander_latest.id
   instance_type   = "t2.small"