diff --git a/site/Dockerfile b/site/Dockerfile
index 6393ff20..12e57a5e 100644
--- a/site/Dockerfile
+++ b/site/Dockerfile
@@ -3,8 +3,8 @@ FROM node:16-alpine as build
 WORKDIR /site
 COPY ./ /site
 RUN yarn --frozen-lockfile
-
 CMD yarn build
+RUN ls -la /site
 
 FROM ghcr.io/umputun/reproxy
 COPY --from=build /site/build /srv/site