named volume

docker-compose.yml

@@ -4,9 +4,12 @@ services:
     ports:
       - "3000:3000"
     volumes:
-      - ./data:/app/data
+      - letters_data:/app/data
     environment:
       - APP_PASSWORD=${APP_PASSWORD}
       - JWT_SECRET=${JWT_SECRET}
       - DB_PATH=/app/data/letters.db
     restart: unless-stopped
+
+volumes:
+  letters_data: