upstream halo {
  server 127.0.0.1:8090;
}
server {
  listen 80;
  listen [::]:80;
  server_name www.yourdomain.com;
  client_max_body_size 1024m;
  location / {
    proxy_pass http://halo;
    proxy_set_header HOST $host;
    proxy_set_header X-Forwarded-Proto $scheme;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  }
}