change: Add services for load balancer and move configuration into separate file

terraform/modules/docker-network/load-balancer.tf

@@ -0,0 +1,58 @@
+resource "hcloud_load_balancer" "docker" {
+  count = var.number_nodes > 1 ? 1 : 0
+
+  load_balancer_type = var.loadbalancer_type
+  name = format("%s_%s", "docker", var.stage_name)
+  location           = var.locations[count.index].name
+  network_zone       = var.locations[count.index].network_zone
+  algorithm {
+    type = "round_robin"
+  }
+}
+
+resource "hcloud_load_balancer_network" "private" {
+  count = var.number_nodes > 1 ? 1 : 0
+
+  load_balancer_id = hcloud_load_balancer.docker[count.index].id
+  subnet_id        = var.server_subnet_id
+  ip               = var.loadbalancer_ip
+}
+
+resource "hcloud_load_balancer_target" "nodes" {
+  count = var.number_nodes > 1 ? var.number_nodes : 0
+
+  type             = "server"
+  load_balancer_id = hcloud_load_balancer.docker[0].id
+  server_id        = hcloud_server.node[count.index].id
+  use_private_ip   = true
+}
+
+resource "hcloud_load_balancer_service" "http" {
+  count = var.number_nodes > 1 ? 1 : 0
+
+  load_balancer_id = hcloud_load_balancer.docker[count.index].id
+  protocol         = "http"
+  listen_port      = 80
+  destination_port = 80
+
+  http {
+    sticky_sessions = true
+    cookie_name     = "selected_node_for_session"
+    cookie_ttl      = 3600
+  }
+}
+
+resource "hcloud_load_balancer_service" "https" {
+  count = var.number_nodes > 1 ? 1 : 0
+
+  load_balancer_id = hcloud_load_balancer.docker[count.index].id
+  protocol         = "https"
+  listen_port      = 443
+  destination_port = 443
+
+  http {
+    sticky_sessions = true
+    cookie_name     = "selected_node_for_session"
+    cookie_ttl      = 3600
+  }
+}

terraform/modules/docker-network/main.tf

@@ -5,32 +5,3 @@ data "hcloud_placement_group" "default" {
 locals {
   docker_network_domain = format("%s.%s.%s", "docker", var.stage_name, var.domain)
 }
-
-resource "hcloud_load_balancer" "docker" {
-  count = var.number_nodes > 1 ? 1 : 0
-
-  load_balancer_type = var.loadbalancer_type
-  name               = format("%s_%s", "docker", var.stage_name)
-  location           = var.locations[count.index].name
-  network_zone       = var.locations[count.index].network_zone
-  algorithm {
-    type = "round_robin"
-  }
-}
-
-resource "hcloud_load_balancer_network" "private" {
-  count = var.number_nodes > 1 ? 1 : 0
-
-  load_balancer_id = hcloud_load_balancer.docker[count.index].id
-  subnet_id        = var.server_subnet_id
-  ip               = var.loadbalancer_ip
-}
-
-resource "hcloud_load_balancer_target" "nodes" {
-  count = var.number_nodes > 1 ? var.number_nodes : 0
-
-  type             = "server"
-  load_balancer_id = hcloud_load_balancer.docker[0].id
-  server_id        = hcloud_server.node[count.index].id
-  use_private_ip   = true
-}