terraform {
 required_providers {
 google = {
 source = "hashicorp/google"
 version = "~> 4.0"
 }
 }
}
provider "google" {
 credentials = file("~/terraform-key.json")
 project = var.project_id
 region = var.region
}

variable "processing_units" {
 type = number
 default = 100
}
variable "project_id" {
 description = "The GCP Project ID."
 type = string
}
variable "region" {
 type = string
}

resource "google_spanner_instance" "db-instance" {
 config = "regional-${var.region}"
 display_name = "TF Spanner Instance"
 processing_units = var.processing_units
 force_destroy = var.force_destroy
 labels = {
 "env" = "testing"
 }
}