diff --git a/terraform/main.tf b/terraform/main.tf
index e29c712..f7bc7f2 100644
--- a/terraform/main.tf
+++ b/terraform/main.tf
@@ -10,26 +10,38 @@ resource "proxmox_vm_qemu" "vm1" {
   }
 
   memory  = 2048
+  scsihw  = "virtio-scsi-pci"
+  machine = "q35"
 
   disk {
-    slot    = "scsi0"
-    size    = "40G"
+    slot    = 0
     type    = "disk"
     storage = "zfs1"
+    size    = "40G"
+    cache   = "writeback"
+    discard = true
   }
+
+  # Cloud-init CD-ROM
+  disk {
+    slot    = 1
+    type    = "cdrom"
+    storage = "zfs1"
+  }
+
   network {
     id     = 0
     model  = "virtio"
     bridge = "vmbr0"
   }
 
-  os_type   = "cloud-init"
-  ipconfig0 = "ip=dhcp"
-  ciuser    = "martijn"
-  cipassword = "Gwh28dgcmp!"
-  agent      = 1
-  scsihw     = "virtio-scsi-pci"
-  machine    = "q35"
+  # Cloud-init config
+  os_type      = "cloud-init"
+  ciuser       = "martijn"
+  cipassword   = "Gwh28dgcmp!"
+  ipconfig0    = "ip=dhcp"
   searchdomain = "domain.local"
   nameserver   = "192.168.178.1"
-}
\ No newline at end of file
+
+  agent = 1
+}