fix: Make 4 default max size

Author: gtoonstra

modules/gke/main.tf

@@ -155,7 +155,7 @@ resource "google_container_node_pool" "default" {
 
   autoscaling {
     min_node_count = 1
-    max_node_count = 2
+    max_node_count = var.max_node_count
     location_policy = "ANY"
   }
 

modules/gke/variables.tf

@@ -92,6 +92,12 @@ variable "initial_node_count" {
   description = "The initial number of nodes for each node pool in the GKE cluster"
 }
 
+variable "max_node_count" {
+  type        = number
+  default     = 4
+  description = "The maximum number of nodes in the cluster"
+}
+
 variable "machine_type" {
   type        = string
   default     = "e2-highmem-8"