docs(gke cluster): add example usage

Author: tomasbasham

README.md

@@ -20,6 +20,8 @@ module "my_vpc" {
 - [network-and-rules](examples/network-and-rules) - Create a VPC with
   additional configuration to manage subnetworks and firewall rules.
 - [virtual-machine](examples/virtual-machine) - Create a virtual machine.
+- [kubernetes-cluster](examples/kubernetes-cluster) - Create a Kubernetes
+  cluster and separately managed node pool.
 
 ## Requirements
 

examples/kubernetes-cluster/main.tf

@@ -0,0 +1,30 @@
+locals {
+  network = "my-vpc"
+}
+
+data "google_compute_network" "my_vpc" {
+  name = local.network
+}
+
+data "google_compute_subnetwork" "my_vpc_europe_west2" {
+  name   = local.network
+  region = "europe-west2"
+}
+
+module "kubernetes_cluster" {
+  source                        = "git::https://github.com/kapetndev/terraform-google-compute.git//modules/gke_cluster?ref = v0.1.0"
+  cluster_secondary_range_name  = "gke-cluster-pods"
+  kubernetes_version            = "1.24.12-gke.500"
+  location                      = data.google_compute_subnetwork.my_vpc_europe_west2.region
+  name                          = "my-cluster"
+  network                       = data.google_compute_network.my_vpc.id
+  services_secondary_range_name = "gke-cluster-services"
+  subnetwork                    = data.google_compute_subnetwork.my_vpc_europe_west2.id
+}
+
+module "kubernetes_cluster_node_pool_production" {
+  source    = "git::https://github.com/kapetndev/terraform-google-compute.git//modules/gke_node_pool?ref=v0.1.0"
+  cluster   = module.kubernetes_cluster.name
+  location  = module.kubernetes_cluster.location
+  pool_name = "my-pool"
+}

examples/kubernetes-cluster/providers.tf

@@ -0,0 +1 @@
+provider "google" {}

examples/kubernetes-cluster/versions.tf

@@ -0,0 +1,9 @@
+terraform {
+  required_providers {
+    google = {
+      source  = "hashicorp/google"
+      version = ">= 4.71.0"
+    }
+  }
+  required_version = ">= 1.0"
+}