diff --git a/docker-compose.yml b/docker-compose.yml
index dd99116cb2595aba4c2c14b029eb36d03358d559..31cf6c4f3c9f32980511dd0b21b3db71ec6de848 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,6 +4,10 @@ networks:
     external: true
   back:
     driver: bridge
+    ipam:
+      driver: default
+      config:
+      - subnet: 10.0.${SUBNET}.0/24
 services:
   web:
     image: nginx