diff --git a/scripts/prepare-refapp.sh b/scripts/prepare-refapp.sh
new file mode 100644
index 0000000..e7ff161
--- /dev/null
+++ b/scripts/prepare-refapp.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+
+FLAVOR='cvp.high'
+IMAGE='cvp.ubuntu.2004'
+EXT_NET='public'
+DNS_SERVERS='[]' # example of the custom value: DNS_SERVERS='["192.168.129.5", "192.168.129.254"]'
+APP_DOCKER_IMAGE='mirantis.azurecr.io/openstack/openstack-refapp:0.1.2' # you can replace with some local copy for offline cloud
+
+REFAPP_PATH=/opt/density/openstack-refapp/
+
+# Check the private CVP key, convert to the public one
+cvp_private_key=/opt/cmp-check/cvp_testkey
+if [ -e ${cvp_private_key} ]; then
+    ssh-keygen -y -f ${cvp_private_key} > ${REFAPP_PATH}/cvp_testkey.pub
+else
+    echo "The key file at ${cvp_private_key} does not exist. Please run \"cd /opt/cmp-check && bash /opt/cmp-check/prepare.sh -w $(pwd) && cd ${REFAPP_PATH}\" to create a key and other test resources."
+    exit 1
+fi
+
+TOP_FILE=${REFAPP_PATH}/heat-templates/top.yaml
+
+# Replace the default public key with the CVP one
+cvp_key=$(cat ${REFAPP_PATH}/cvp_testkey.pub)
+escaped_cvp_key=$(echo "$cvp_key" | sed -e 's/[\/&]/\\&/g')
+sed -i "/^ *cluster_public_key:/,/default:/ s/default:.*/default: '$escaped_cvp_key'/" $TOP_FILE
+
+# Replace the flavor
+sed -i "/^ *database_flavor:/,/default:/ s/default:.*/default: '$FLAVOR'/" $TOP_FILE
+
+# Replace the image
+sed -i "/^ *database_image:/,/default:/ s/default:.*/default: '$IMAGE'/" $TOP_FILE
+
+# Replace the external net
+sed -i "/^ *public_network_id:/,/default:/ s/default:.*/default: '$EXT_NET'/" $TOP_FILE
+
+# Replace the DNS servers list
+sed -i "/^ *dns_nameservers:/,/default:/ s/default:.*/default: $DNS_SERVERS/" $TOP_FILE
+
+# Replace the docker image for RefApp application if the cloud has no Internet access
+ESC_APP_DOCKER_IMAGE=$(sed 's/[\/&]/\\&/g' <<< "$APP_DOCKER_IMAGE")
+sed -i "/^\s*app_docker_image:/,/default:/ s/default:.*/default: '$ESC_APP_DOCKER_IMAGE'/" $TOP_FILE