diff --git a/.gitignore b/.gitignore
index faaf717e..09277b03 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,3 +37,8 @@ terraform.rc
 
 # output plans
 *-plan.zip
+
+
+# Ignore ssh_key_file_ref
+**/ssh-key-ref-outputs.tf
+
diff --git a/openstack-tf/d4s-dev/geoserver/geoserver.zip b/openstack-tf/d4s-dev/geoserver/geoserver.zip
deleted file mode 100644
index 8b6690f1..00000000
Binary files a/openstack-tf/d4s-dev/geoserver/geoserver.zip and /dev/null differ
diff --git a/openstack-tf/modules/common_variables/variables.tf b/openstack-tf/modules/common_variables/variables.tf
index 2ed0fcd6..7ed8c057 100644
--- a/openstack-tf/modules/common_variables/variables.tf
+++ b/openstack-tf/modules/common_variables/variables.tf
@@ -61,14 +61,6 @@ variable "networks_with_d4s_services" {
   }
 }
 
-variable "ssh_key_file" {
-  type = map(string)
-  default = {
-    file = "~/.ssh/privateKeySsh"
-    name = "francescomangiacrapa"
-  }
-}
-
 variable "ubuntu_1804" {
   type = map(string)
 
@@ -185,3 +177,31 @@ variable "smartexecutor_addresses" {
   default = {
   }
 }
+
+
+# Added by Francesco
+# Create in the path 'modules/ssh-key-ref' the file 'ssh-key-ref-outputs.tf'
+# with the following outputs:
+
+# output "ssh_key_file" {
+#   value     = "~/.ssh/{YOUR_PRIVATE_KEYNAME}"
+#   sensitive = true
+# }
+
+# output "ssh_key_name" {
+#   value     = "{YOUR_KEYNAME}"
+#   sensitive = false
+# }
+
+# Then you can use above outputs in your 'file.tf' (if it contains the soft link to variables.tf) as:
+#  module.ssh_settings.ssh_key_file
+#  module.ssh_settings.ssh_key_name
+
+# e.g.
+# 
+# resource "openstack_compute_instance_v2" "geoserver" {
+#   key_pair                = module.ssh_settings.ssh_key_name
+
+module "ssh_settings" {
+  source = "../../modules/ssh-key-ref"
+}
diff --git a/openstack-tf/modules/geoserver/geoserver.tf b/openstack-tf/modules/geoserver/geoserver.tf
index a6a1433c..45dff344 100644
--- a/openstack-tf/modules/geoserver/geoserver.tf
+++ b/openstack-tf/modules/geoserver/geoserver.tf
@@ -1,3 +1,4 @@
+
 # Geoserver attached volume - used for 'geoserver_data'
 resource "openstack_blockstorage_volume_v3" "geoserver_data_vol" {
   name = var.geoserver_basic_data.vol_data_name
@@ -9,7 +10,7 @@ resource "openstack_compute_instance_v2" "geoserver" {
   name                    = var.geoserver_basic.name
   availability_zone_hints = var.availability_zones_names.availability_zone_no_gpu
   flavor_name             = var.geoserver_basic.flavor
-  key_pair                = var.ssh_key_file.name
+  key_pair                = module.ssh_settings.ssh_key_name
   security_groups         = [var.security_group_list.default, var.security_group_list.http_and_https_from_the_load_balancers]
   block_device {
     uuid                  = var.ubuntu_1804.uuid
diff --git a/openstack-tf/modules/ssh_keys/ssh-keys.tf b/openstack-tf/modules/ssh_keys/ssh-keys.tf
index 662d992b..dca6c183 100644
--- a/openstack-tf/modules/ssh_keys/ssh-keys.tf
+++ b/openstack-tf/modules/ssh_keys/ssh-keys.tf
@@ -1,4 +1,4 @@
 resource "openstack_compute_keypair_v2" "initial_ssh_key" {
-        name = var.ssh_key_file.name
-        public_key = "${file("${var.ssh_key_file.file}.pub")}"
+  name       = var.ssh_key_file.name
+  public_key = file("${var.ssh_key_file.file}.pub")
 }