main.tf

// Resource group
resource "azurerm_resource_group" "main" {
  name     = "${var.prefix}-resources"
  location = var.location
}

// Virtual network
resource "azurerm_virtual_network" "main" {
  name                = "${var.prefix}-network"
  address_space       = ["10.0.0.0/16"]
  location            = azurerm_resource_group.main.location
  resource_group_name = azurerm_resource_group.main.name
}

// Subnet
resource "azurerm_subnet" "internal" {
  name                 = "internal"
  resource_group_name  = azurerm_resource_group.main.name
  virtual_network_name = azurerm_virtual_network.main.name
  address_prefixes     = ["10.0.2.0/24"]
}

// Public IP address
resource "azurerm_public_ip" "pip" {
  name                = "${var.prefix}-pip"
  resource_group_name = azurerm_resource_group.main.name
  location            = azurerm_resource_group.main.location
  allocation_method   = "Dynamic"
}

// Main network interface
resource "azurerm_network_interface" "main" {
  name                = "${var.prefix}-nic1"
  resource_group_name = azurerm_resource_group.main.name
  location            = azurerm_resource_group.main.location

  ip_configuration {
    name                          = "primary"
    subnet_id                     = azurerm_subnet.internal.id
    private_ip_address_allocation = "Dynamic"
    public_ip_address_id          = azurerm_public_ip.pip.id
  }
}

// Internal network interface
resource "azurerm_network_interface" "internal" {
  name                      = "${var.prefix}-nic2"
  resource_group_name       = azurerm_resource_group.main.name
  location                  = azurerm_resource_group.main.location

  ip_configuration {
    name                          = "internal"
    subnet_id                     = azurerm_subnet.internal.id
    private_ip_address_allocation = "Dynamic"
  }
}