API Warning Removal

resolves scarolan#18

main.tf

@@ -103,11 +103,11 @@ resource "azurerm_network_interface" "tf-guide-nic" {
 # optionally add a public IP address for Internet-facing applications and 
 # demo environments like this one.
 resource "azurerm_public_ip" "tf-guide-pip" {
-  name                         = "${var.prefix}-ip"
-  location                     = "${var.location}"
-  resource_group_name          = "${azurerm_resource_group.tf_azure_guide.name}"
-  public_ip_address_allocation = "Dynamic"
-  domain_name_label            = "${var.hostname}"
+  name                = "${var.prefix}-ip"
+  location            = "${var.location}"
+  resource_group_name = "${azurerm_resource_group.tf_azure_guide.name}"
+  allocation_method   = "Dynamic"
+  domain_name_label   = "${var.hostname}"
 }
 
 # And finally we build our virtual machine. This is a standard Ubuntu instance.