.
root@619cb8e0e5ee:/# cat /var/log/nginx/error.log
2019/01/26 20:54:26 [error] 25#25: *1 connect() failed (111: Connection refused) while connecting to upstream, client: 172.18.0.1, server: mnt_server_name, request: "GET /admin/ HTTP/1.1", upstream: "uwsgi://172.18.0.3:8080", host: "172.18.0.1:8000"
502, чё делать?