add terraform init into makefile

Makefile

@@ -35,3 +35,9 @@ hazelcast:
 	echo "start playbook" && \
 	ansible-playbook -i stack_address.toml hazelcast/playbook.yml
 
+stack_init:
+	cd stack && \
+	terraform init \
+	    -backend-config="cacert_path=$$HOME/virtualization/kubernetes-the-hard-way/certs/ca.pem" \
+	    -backend-config="cert_path=$$HOME/virtualization/kubernetes-the-hard-way/certs/kubernetes.pem" \
+	    -backend-config="key_path=$$HOME/virtualization/kubernetes-the-hard-way/certs/kubernetes-key.pem"