diff --git a/mosk-images/template.json b/mosk-images/template.json
index de3953c..81f51b9 100644
--- a/mosk-images/template.json
+++ b/mosk-images/template.json
@@ -2,22 +2,30 @@
   "variables": {
     "user": "root",
     "password": "r00tme",
-    "disk_size": "2500M",
+    "disk_size": "7000M",
     "images_cache": "{{ env `PACKER_IMAGES_CACHE` }}",
     "image_base_url": "{{ env `IMAGE_BASE_URL` }}",
     "image_md5_url": "{{ env `IMAGE_MD5_URL` }}",
     "vm_name": "{{ env `VM_NAME` }}",
-    "kernel_version": "{{ env `KERNEL_VERSION` }}"
+    "kernel_version": "{{ env `KERNEL_VERSION` }}",
+    "docker_ee_release": "{{ env `DOCKER_EE_RELEASE` }}",
+    "docker_ee_url": "{{ env `DOCKER_EE_URL` }}",
+    "docker_ucp_image": "{{ env `DOCKER_UCP_IMAGE` }}"
+
   },
   "provisioners": [
     {
       "type": "shell",
       "environment_vars": [
-          "KERNEL_VERSION={{user `kernel_version`}}"
+          "KERNEL_VERSION={{user `kernel_version`}}",
+          "DOCKER_EE_RELEASE={{user `docker_ee_release`}}",
+          "DOCKER_EE_URL={{user `docker_ee_url`}}",
+          "DOCKER_UCP_IMAGE={{user `docker_ucp_image`}}"
       ],
       "scripts": [
          "scripts/apt.sh",
-	 "scripts/cleanup.sh"
+         "scripts/docker.sh",
+         "scripts/cleanup.sh"
       ]
     }
   ],