Tweaking docker-compose

docker-compose.yml

@@ -1,7 +1,7 @@
 version: '3.9'
 
 volumes:
-  data:
+  app:
 
 services:
   nginx:
@@ -36,14 +36,14 @@ services:
     ports:
       - 5000
     volumes:
-      - data:/ref-test/data
+      - app:/ref-test/data
       - ./logs:/ref-test/data/logs
     restart: unless-stopped
     networks:
       - frontend
       - backend
     depends_on:
-      - postfix
+      postfix:
 
   postfix:
     container_name: reftest_postfix