End-of-central-directory signature not found. Either this file is not
a zipfile, or it constitutes one disk of a multi-part archive. In the
latter case the central directory and zipfile comment will be found on
the last disk(s) of this archive.
note: wwwroot.zip may be a plain executable, not an archive
unzip: cannot find zipfile directory in one of wwwroot.zip or
wwwroot.zip.zip, and cannot find wwwroot.zip.ZIP, period.