fix #11: added DISABLE_WEBROOT_CHOWN

rootfs/app/entrypoint.sh.d/90_chown_webroot.sh

@@ -1,7 +1,12 @@
 #!/bin/sh
 
-echo "# chowning ${PATH_WEBROOT} to ${PUID}:${GROUPNAME}..."
+echo "# Started background chowning of ${PATH_WEBROOT} to ${USERNAME}:${GROUPNAME} (${PUID}:${PGID})..."
 
-chown "${PUID}:${GROUPNAME}" "${PATH_WEBROOT}" -R
+if [ ${DISABLE_WEBROOT_CHOWN} -eq 1 ] ; then
+  echo chowning skipped because of DISABLE_WEBROOT_CHOWN
+  exit 0
+fi
+
+chown "${USERNAME}:${GROUPNAME}" "${PATH_WEBROOT}" -R
 find "${PATH_WEBROOT}" -type d -exec chmod 0755 {} \; &
 find "${PATH_WEBROOT}" -type f -exec chmod 0644 {} \; &