fixes wrong ownership for bindfs

mount-volumes.sh

@@ -31,8 +31,8 @@ for volume in ${volumes}; do
   fi
   echo "mounting ${mount_path}"
   sudo /usr/bin/bindfs \
-    --create-for-group=root \
-    --create-for-user=root \
+    --create-for-group=www-data \
+    --create-for-user=www-data \
     --force-group="${MOUNT_USER}" \
     --force-user="${MOUNT_USER}" \
     "${volume_path}" \