diff --git a/frontend/Containerfile b/frontend/Containerfile
index 19d626d5eb440bc486eea5ae3fb029748de13b72..c718237e9ae4c1d94e2a40efede45bcc79d15ebc 100644
--- a/frontend/Containerfile
+++ b/frontend/Containerfile
@@ -29,3 +29,7 @@ COPY ./docker-entrypoint.sh /docker-entrypoint.d/90-greg-frontend-env.sh
 
 CMD ["nginx", "-g", "daemon off;"]
 
+# Support arbitrarily assigned UIDs by making the root group
+# the owner of our directory.
+RUN chgrp -R 0 /app && \
+    chmod -R g=u /app