diff --git a/IaC-test/images.tf b/IaC-test/images.tf
index 421aec9..25f570d 100644
--- a/IaC-test/images.tf
+++ b/IaC-test/images.tf
@@ -3,3 +3,10 @@ data "openstack_images_image_v2" "debian12image" {
   name        = "debian-12" # Name of image to be used
   most_recent = true
 }
+
+data "openstack_images_image_v2" "debian12image-sto4" {
+  name        = "debian-12" # Name of image to be used
+  most_recent = true
+  provider    = openstack.sto4
+}
+
diff --git a/IaC-test/k8snodes-sto4.tf b/IaC-test/k8snodes-sto4.tf
new file mode 100644
index 0000000..7d2f3de
--- /dev/null
+++ b/IaC-test/k8snodes-sto4.tf
@@ -0,0 +1,74 @@
+#
+# Controller node resources
+#
+
+locals {
+  dc         = "sto4"
+  nodenrbase = index(var.datacenters, "sto4")
+  indexjump  = length(var.datacenters)
+}
+
+resource "openstack_networking_port_v2" "kubewport-sto4" {
+  name                = "${var.controller_name}${count.index * local.indexjump + 1 + local.nodenrbase}-${replace(var.dns_suffix,".","-")}-${local.dc}-port"
+  # We create as many ports as there are instances created
+  count               =  var.workerdcreplicas
+  network_id          = data.openstack_networking_network_v2.public-sto4.id
+  # A list of security group ID
+  security_group_ids  = [ 
+#                          data.openstack_networking_secgroup_v2.sshfromjumphosts.id, 
+                          resource.openstack_networking_secgroup_v2.microk8s-sto4.id,
+                        ]
+  admin_state_up      = "true"
+  provider            = openstack.sto4
+}
+
+# Boot volume for node
+resource "openstack_blockstorage_volume_v3" "kubewvolumeboot-sto4" {
+  count                = var.workerdcreplicas # Replicas per datacenter
+  name                 = "${var.controller_name}${count.index * local.indexjump + 1 + local.nodenrbase}-${replace(var.dns_suffix,".","-")}-${local.dc}-vol"
+  description          = "OS volume for kubernetes worker node ${count.index * local.indexjump + 1 + local.nodenrbase}"
+  size                 = 100
+  image_id             = data.openstack_images_image_v2.debian12image-sto4.id
+  enable_online_resize = true # Allow us to resize volume while attached.
+  provider             = openstack.sto4
+}
+
+resource "openstack_blockstorage_volume_v3" "kubewvolumerook-sto4" {
+  count                = var.workerdcreplicas # Replicas per datacenter
+  name                 = "${var.controller_name}${count.index * local.indexjump + 1 + local.nodenrbase}-${replace(var.dns_suffix,".","-")}-${local.dc}-rook-vol"
+  description          = "Rook storage volume for kubernetes worker node ${count.index * local.indexjump + 1 + local.nodenrbase}"
+  size                 = 100
+  enable_online_resize = true # Allow us to resize volume while attached.
+  provider             = openstack.sto4
+}
+
+resource "openstack_compute_instance_v2" "worker-nodes-sto4" {
+  count           = var.workerdcreplicas # Replicas per datacenter
+  name            = "${var.worker_name}${count.index * local.indexjump + 1 + local.nodenrbase}.${var.dns_suffix}"
+  flavor_name     = "${var.worker_instance_type}"
+  key_pair        = "${var.keynameworkers}"
+  provider        = openstack.sto4
+  security_groups = [
+                      resource.openstack_networking_secgroup_v2.microk8s-sto4.name
+                    ]
+
+  block_device {
+    uuid             = resource.openstack_blockstorage_volume_v3.kubewvolumeboot-sto4[count.index].id
+    source_type      = "volume"
+    destination_type = "volume"
+    boot_index       = 0
+  }
+  block_device {
+    uuid             = resource.openstack_blockstorage_volume_v3.kubewvolumerook-sto4[count.index].id
+    source_type      = "volume"
+    destination_type = "volume"
+    boot_index       = 1
+  }
+
+  scheduler_hints {
+    group = openstack_compute_servergroup_v2.workers-sto4.id
+  }
+  network {
+    port   = resource.openstack_networking_port_v2.kubewport-sto4[count.index].id
+  }
+}
diff --git a/IaC-test/network.tf b/IaC-test/network.tf
index 30b4c0f..fccaea3 100644
--- a/IaC-test/network.tf
+++ b/IaC-test/network.tf
@@ -1,3 +1,8 @@
 data "openstack_networking_network_v2" "public" {
   name = "public" # Name of network to use.
 }
+
+data "openstack_networking_network_v2" "public-sto4" {
+  name     = "public" # Name of network to use.
+  provider = openstack.sto4
+}
diff --git a/IaC-test/servergroups-sto4.tf b/IaC-test/servergroups-sto4.tf
new file mode 100644
index 0000000..37b7043
--- /dev/null
+++ b/IaC-test/servergroups-sto4.tf
@@ -0,0 +1,11 @@
+resource "openstack_compute_servergroup_v2" "workers-sto4" {
+  name     = "workers"
+  policies = ["anti-affinity"]
+  provider = openstack.sto4
+}
+resource "openstack_compute_servergroup_v2" "controllers-sto4" {
+  name     = "controllers"
+  policies = ["anti-affinity"]
+  provider = openstack.sto4
+}
+
diff --git a/IaC-test/vars.tf b/IaC-test/vars.tf
index 9ad9e27..05340e8 100644
--- a/IaC-test/vars.tf
+++ b/IaC-test/vars.tf
@@ -36,6 +36,12 @@ variable "keynameworkers" {
 variable "worker_instance_count" {
   default = "2"
 }
+
+# Replicas per datacenter
+variable "workerdcreplicas" {
+  default = "2"
+}
+
 variable "controller_instance_count" {
   default = "3"
 }