diff --git a/podman-seafile/vars.sh b/podman-seafile/vars.sh
index 1ff0b79..8ea538d 100644
--- a/podman-seafile/vars.sh
+++ b/podman-seafile/vars.sh
@@ -1,18 +1,22 @@
 #!/usr/bin/env bash
-
-pod_name='podman-seafile'
-service_name="pod-${pod_name}.service"
+## vars
 mariadb_release='10.5'
 memcached_release='1.6'
 seafile_image='git.garbaye.fr/garbaye/seafile-mc'
 seafile_release='9.0.7'
-dbvolume='podman-seafile_seafile-db'
-datavolume='podman-seafile_seafile-data'
+## default vars : override with ENV var
 listen_if="${GARBAYE_SEAFILE_ENV_LISTENIF:-127.0.0.1}"
 listen_port="${GARBAYE_SEAFILE_ENV_LISTENPORT:-8082}"
-get_default_iface_ipv4 GARBAYE_SEAFILE_SMTP_SERVER
 GARBAYE_SEAFILE_SERVER_HOSTNAME="${GARBAYE_SEAFILE_ENV_SERVER_HOSTNAME:-seafile.garbaye.fr}"
 GARBAYE_SEAFILE_ADMIN_PASSWORD="${GARBAYE_SEAFILE_ENV_ADMIN_PASSWORD:-asecret}"
 GARBAYE_SEAFILE_ADMIN_EMAIL="${GARBAYE_SEAFILE_ENV_ADMIN_EMAIL:-laposte-seafile@garbaye.fr}"
+## mandatory ENV vars
 envvars='GARBAYE_SEAFILE_MYSQL_ROOT_PASSWORD'
+## internal vars : do not touch
+project_name=${PWD##*/}
+pod_name="${project_name}"
+service_name="pod-${pod_name}.service"
+get_default_iface_ipv4 GARBAYE_SEAFILE_SMTP_SERVER
 upstream_images="${seafile_image} docker.io/library/mariadb docker.io/library/memcached"
+dbvolume='podman-seafile_seafile-db'
+datavolume='podman-seafile_seafile-data'