diff --git a/prod-webserver-provision.sh b/prod-webserver-provision.sh
index 5012587..ad38ab7 100755
--- a/prod-webserver-provision.sh
+++ b/prod-webserver-provision.sh
@@ -6,6 +6,7 @@
 
 _lets_encrypt_email="wptest@isnet.uk"
 _server_base_url="wptest.isnet.uk"
+_docker_container_config_dir="/var/docker"
 _docker_compose_version="1.25.4"
 
 # add user
@@ -47,12 +48,12 @@ _HT_PASSWD=$(htpasswd -nB ray | sed -e 's/\$/\$\$/g')
 
 docker network create web
 
-mkdir -p /var/docker/traefik
-mkdir -p /var/docker/portainer
-touch /var/docker/traefik/acme.json
-chmod 600 /var/docker/traefik/acme.json
+mkdir -p "$_docker_container_config_dir"/traefik
+mkdir -p "$_docker_container_config_dir"/portainer
+touch "$_docker_container_config_dir"/traefik/acme.json
+chmod 600 "$_docker_container_config_dir"/traefik/acme.json
 
-cd /var/docker/traefik || exit 20
+cd "$_docker_container_config_dir"/traefik || exit 20
 echo "api:
   dashboard: true
 
@@ -115,8 +116,8 @@ networks:
 " >> docker-compose.yml
 docker-compose up -d
 
-cd /var/docker/portainer || exit 30
-# create /var/docker/portainer/docker-compose.yml
+cd "$_docker_container_config_dir"/portainer || exit 30
+# create "$_docker_container_config_dir"/portainer/docker-compose.yml
 _portainer_url="portainer.$_server_base_url"
 echo "version: '3'