diff --git a/docker-compose-test/docker-compose.yaml b/docker-compose-test/docker-compose.yaml
index c164fc5..4f3c2d4 100644
--- a/docker-compose-test/docker-compose.yaml
+++ b/docker-compose-test/docker-compose.yaml
@@ -3,6 +3,8 @@ services:
     image: 'nginx'
     labels: 
       - traefik.http.middlewares.custom-auth.basicauth.users=test:$2y$12$ci.4U63YX83CwkyUrjqxAucnmi2xXOIlEF6T/KdP9824f1Rf1iyNG
+    volumes:
+      - 'postgres_data:/var/lib/postgresql/data'
   app2:
     image: 'nginx'
   app3: