diff --git a/day01-image/scripts/salt_bootstrap.sh b/day01-image/scripts/salt_bootstrap.sh
index f23a447..fed903d 100644
--- a/day01-image/scripts/salt_bootstrap.sh
+++ b/day01-image/scripts/salt_bootstrap.sh
@@ -1,5 +1,11 @@
 #!/bin/bash -xe
 CLUSTER_MODEL_REF=${CLUSTER_MODEL_REF:-master}
+FORMULA_VERSION=${FORMULA_VERSION:-testing}
+SALTSTACK_GPG=${SALTSTACK_GPG:-"https://repo.saltstack.com/apt/ubuntu/16.04/amd64/2016.3/SALTSTACK-GPG-KEY.pub"}
+SALTSTACK_REPO=${SALTSTACK_REPO:-"http://repo.saltstack.com/apt/ubuntu/16.04/amd64/2016.3 xenial main"}
+APT_MIRANTIS_GPG=${APT_MIRANTIS_GPG:-"http://apt.mirantis.com/public.gpg"}
+APT_MIRANTIS_SALT_REPO=${APT_MIRANTIS_SALT_REPO:-"http://apt.mirantis.com/xenial/ $FORMULA_VERSION salt"}
+GIT_SALT_FORMULAS_SCRIPTS=${GIT_SALT_FORMULAS_SCRIPTS:-"https://github.com/salt-formulas/salt-formulas-scripts"}
 GIT_SALT_FORMULAS_SCRIPTS_REF=${GIT_SALT_FORMULAS_SCRIPTS_REF:-master}
 
 wget -O - ${SALTSTACK_GPG} | sudo apt-key add -