diff --git a/docker-compose.yml b/docker-compose.yml
index 25fad25..02ca353 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,9 +1,10 @@
-version: '3.8'
-
 services:
   app:
     build: .
     ports:
-      - "3000:3000"
+      - "3002:3000"
     volumes:
-      - ./simpleledger.db:/usr/src/app/data/simpleledger.db
+      - ./ledger_db:/usr/src/app/data
+
+volumes:
+  ledger_db: