upstream jenkins {
  server 127.0.0.1:8081 weight=100 max_fails=5 fail_timeout=5;
}

server {
  listen          80;
  server_name     jenkins.localdomain;

  location / {
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Server $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_pass http://jenkins/;
  }
}