diff --git a/mirror-image/files/etc/cloud/cloud.cfg b/mirror-image/files/etc/cloud/cloud.cfg
index c3cbb03..94b618d 100644
--- a/mirror-image/files/etc/cloud/cloud.cfg
+++ b/mirror-image/files/etc/cloud/cloud.cfg
@@ -4,6 +4,7 @@
 
 # This will cause the set+update hostname module to not operate (if true)
 preserve_hostname: false
+apt_preserve_sources_list: true
 
 # Better let managing of /etc/hosts on salt and others
 # manage_etc_hosts: localhost
diff --git a/mirror-image/template.json b/mirror-image/template.json
index bd5f6e8..1b0369c 100644
--- a/mirror-image/template.json
+++ b/mirror-image/template.json
@@ -2,7 +2,7 @@
   "variables": {
     "user": "root",
     "password": "r00tme",
-    "disk_size": "150000",
+    "disk_size": "100000",
     "do_api_token": "{{ env `DO_API_TOKEN` }}",
     "image_name": "{{ env `IMAGE_NAME` }}",
     "cluster_model": "{{ env `CLUSTER_MODEL` }}",
@@ -153,6 +153,7 @@
       "iso_target_path": "/root/isos/xenial-server-cloudimg-amd64-disk1.img",
       "iso_checksum_type": "md5",
       "disk_image": true,
+      "disk_compression": true,
       "iso_checksum": "566efef1d6f12e7d3a994c2405bdb642",
       "http_directory": "http",
       "headless": true,
@@ -162,8 +163,8 @@
       "vnc_bind_address": "0.0.0.0",
       "vnc_port_max": "5956",
       "vnc_port_min": "5956",
-      "ssh_host_port_min": 2223,
-      "ssh_host_port_max": 2223,
+      "ssh_host_port_min": 7000,
+      "ssh_host_port_max": 7050,
       "boot_wait": "2s",
       "ssh_wait_timeout": "360s"
     }