minimal.tf

resource "azurerm_resource_group" "test" {
  name     = "tharvey-dev7986"
  location = "West Europe"
}

resource "azurerm_virtual_network" "test" {
  name                = "tharveydev7986nw"
  address_space       = ["10.0.0.0/16"]
  resource_group_name = "${azurerm_resource_group.test.name}"
  location            = "${azurerm_resource_group.test.location}"

  subnet {
    name           = "tharveydev7986sn2"
    address_prefix = "10.0.3.0/24"
  }
}

resource "azurerm_subnet" "first" {
  name                 = "tharveydev7986sn1"
  resource_group_name  = "${azurerm_resource_group.test.name}"
  virtual_network_name = "${azurerm_virtual_network.test.name}"
  address_prefix       = "10.0.2.0/24"
}

resource "azurerm_subnet" "second" {
  name                 = "tharveydev7986sn3"
  resource_group_name  = "${azurerm_resource_group.test.name}"
  virtual_network_name = "${azurerm_virtual_network.test.name}"
  address_prefix       = "10.0.4.0/24"
}

resource "azurerm_network_interface" "first" {
  name                = "tharveydev7986ni1"
  location            = "${azurerm_resource_group.test.location}"
  resource_group_name = "${azurerm_resource_group.test.name}"

  ip_configuration {
    name                          = "testconfiguration1"
    subnet_id                     = "${azurerm_subnet.first.id}"
    private_ip_address_allocation = "dynamic"
  }

  tags {
    environment = "staging"
  }
}

resource "azurerm_network_interface" "second" {
  name                = "tharveydev7986ni3"
  location            = "${azurerm_resource_group.test.location}"
  resource_group_name = "${azurerm_resource_group.test.name}"

  ip_configuration {
    name                          = "testconfiguration1"
    subnet_id                     = "${azurerm_subnet.second.id}"
    private_ip_address_allocation = "dynamic"
  }

  tags {
    environment = "staging"
  }
}