2019/12/31 07:52:19 [error] 8#8: *3 connect() failed (111: Connection refused) while connecting to upstream, client: 194.35.233.чч, server: localhost, request: "GET /admin2/ HTTP/1.1", upstream: "
http://127.0.0.1:3001/admin2/", host: "159.203.123.чч"