feat: attach lb to network

terraform/network.tf

@@ -12,6 +12,13 @@ resource "hcloud_network_subnet" "subnet" {
   ip_range     = local.subnet-cidr
 }
 
+// Attach the load balancer to the compute subnet.
+resource "hcloud_load_balancer_network" "attachment" {
+  load_balancer_id = hcloud_load_balancer.lb.id
+  subnet_id        = hcloud_network_subnet.subnet.id
+  ip               = local.lb-private-ip
+}
+
 // Provide internet to the private servers, by sending all internet traffic to
 // the NAT.
 resource "hcloud_network_route" "gateway" {

terraform/variables.tf

@@ -3,6 +3,7 @@ locals {
   subnet-cidr = "10.0.2.0/24"
 
   nat-private-ip = "10.0.2.8"
+  lb-private-ip  = "10.0.2.128"
   servers = {
     control = "10.0.2.11"
     node-a  = "10.0.2.9"