diff --git a/.github/workflows/vm-creation-terraform.yaml b/.github/workflows/vm-creation-terraform.yaml
index 38ac31a..ca23f24 100644
--- a/.github/workflows/vm-creation-terraform.yaml
+++ b/.github/workflows/vm-creation-terraform.yaml
@@ -52,6 +52,9 @@ jobs:
                     vm_count = random.choice(testVars['vm_count']),
                     vm_num_cpus = random.choice(testVars['vm_num_cpus']),
                     pve_datastore = random.choice(testVars['pve_datastore']),
+                    pve_network = random.choice(testVars['pve_network']),
+                    vm_disk_size = random.choice(testVars['vm_disk_size']),
+                    vm_memory = random.choice(tastVars['vm_memory']),
                 )
 
               # Save template
diff --git a/tests/templates/module.tpl b/tests/templates/module.tpl
index 1ab1f17..aab4267 100644
--- a/tests/templates/module.tpl
+++ b/tests/templates/module.tpl
@@ -8,14 +8,14 @@ module "proxmox-vm" {
   pve_cluster_node        = "sthings-pve1"
   pve_datastore           = "{{ pve_datastore }}"
   pve_folder_path         = "stuttgart-things"
-  pve_network             = "vmbr103"
+  pve_network             = "{{ pve_network }}"
   vm_count                = {{ vm_count }}
   vm_name                 = "{{ name }}"
   vm_notes                = "vm-info"
   vm_template             = "ubuntu22"
   vm_num_cpus             = "{{ vm_num_cpus }}"
-  vm_memory               = "4096"
-  vm_disk_size            = "32G"
+  vm_memory               = {{ vm_memory }}
+  vm_disk_size            = "{{ vm_disk_size }}"
   vm_ssh_user             = var.vm_ssh_user
   vm_ssh_password         = var.vm_ssh_password
 }
diff --git a/tests/test_values.yaml b/tests/test_values.yaml
index cd91ad5..8e3c2b2 100644
--- a/tests/test_values.yaml
+++ b/tests/test_values.yaml
@@ -8,7 +8,24 @@ vm_num_cpus: # should pick one of them randomly
   - 2
   - 4
   - 8
-#vm_name: #E.G. RANDOM NAME W/ LENGHT XY OR PREFIX MAYBE - UP TO YOU BUT THING OF CONSTRAINS LIKE LENGHT OR FORBIDDEN CHARS LIKE _
 pve_datastore: # should pick one of them randomly
   - datastore
-  - v3700 
\ No newline at end of file
+  - v3700 
+pve_network:
+  - vmbr101
+  - vmbr102 
+  - vmbr103
+  - vmbr104
+vm_disk_size:
+  - 20G
+  - 32G
+  - 64G
+  - 96G
+  - 128G
+  - 196G
+  - 256G
+vm_memory:
+  - 1024 
+  - 2048
+  - 4096
+  - 8192
\ No newline at end of file
diff --git a/variables.tf b/variables.tf
index ef383ac..7948ddc 100644
--- a/variables.tf
+++ b/variables.tf
@@ -104,6 +104,11 @@ variable "vm_memory" {
   default     = 4096
   type        = number
   description = "amount of memory of the vm"
+  
+  validation {
+    condition     = contains([1024, 2048, 4096, 8192], var.vm_memory)
+    error_message = "Valid values for vm_memory are (1024, 2048, 4096, 8192)"
+  }
 }
 
 variable "vm_disk_size" {