Add a cloudsql instance.

terraform/basic_gke/main.tf

@@ -241,3 +241,11 @@ output "gke_connect_command" {
   description = "Command to run to connect to the kubernetes cluster."
   value       = "gcloud container clusters get-credentials ${google_container_cluster.primary.name} --region ${var.region} --project ${var.project}"
 }
+
+#################### SQL ##################################
+
+module "cloudsql" {
+  source  = "../modules/cloudsql"
+  project = var.project
+  region  = var.region
+}

terraform/modules/cloudsql/cloudsql.tf

@@ -0,0 +1,39 @@
+variable "project" {
+  description = "Project ID."
+  type        = string
+}
+
+variable "region" {
+  description = "Region."
+  type        = string
+}
+
+variable "tier" {
+  description = "DB machine type."
+  type        = string
+  default     = "db-f1-micro"
+}
+
+variable "db_version" {
+  description = "Database version."
+  type        = string
+  default     = "POSTGRES_13"
+}
+
+resource "google_sql_database_instance" "instance" {
+  project = var.project
+  region  = var.region
+  name    = "my-database-instance"
+
+  database_version = var.db_version
+
+  settings {
+    tier = var.tier
+
+    ip_configuration {
+      private_network = true
+    }
+  }
+
+  deletion_protection = "true"
+}