fix: add health checks and volumes to docker file (#2)

Co-authored-by: Morten Olsen <morten-olsen@users.noreply.github.com>

docker-compose.yaml

@@ -5,5 +5,9 @@ services:
     build:
       context: .
       dockerfile: ./docker/Dockerfile
+    volumes:
+      - data:/app/data
     ports:
       - 4500:4500
+volumes:
+  data: