diff --git a/docker-compose-parts/backup.yml b/docker-compose-parts/backup.yml
index cbdccf6..a33588e 100644
--- a/docker-compose-parts/backup.yml
+++ b/docker-compose-parts/backup.yml
@@ -2,7 +2,7 @@ version: '3.7'
 services:
   isard-sso-backups:
     container_name: dd-backups
-    image: prodrigestivill/postgres-backup-local
+    image: $POSTGRES_BACKUP_LOCAL_IMG
     restart: always
     volumes:
       - /etc/localtime:/etc/localtime:ro
diff --git a/main.conf.example b/main.conf.example
index 21a7849..fa4cb23 100644
--- a/main.conf.example
+++ b/main.conf.example
@@ -37,3 +37,6 @@ KEYCLOAK_DB_PASSWORD=keycloakkeycloak
 ###########################################################################
 POSTGRES_PASSWORD=postgrespostgres
 POSTGRES_USER=admin
+
+## DOCKER IMAGES
+POSTGRES_BACKUP_LOCAL_IMG=14-debian-2aa03d1