Your ROOT_URL in app.ini is http://git.slaventius.ru/ but you are visiting http://37.143.12.169/test3k/authDB/src/commit/3d446dc7a922b2f3efeaaad822bbb48ada7de8a6/vendor/golang.org/x/sys/internal/unsafeheader
You should set ROOT_URL correctly, otherwise the web may not work correctly.
slaventius@odnookno.info