diff --git a/compose.yaml b/compose.yaml
index 0a18247..08a43e4 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -3,7 +3,9 @@ services:
     container_name: grist
     image: gristlabs/grist
     ports:
-      - ${PORT:-8484}:8484
+      - ${PORT:-8484}:${PORT:-8484}
     restart: always
+    volumes:
+      - /docker/grist/persist:/persist
     env_file:
       - stack.env
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