ngxin proxy_pass

server {
  listen 80;
  server_name xxx;
  location / {
    proxy_set_header Host $host;
    proxy_set_header X-Forwarded-Host $host;
    proxy_set_header X-Forwarded-Server $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_buffering on;
    proxy_pass http://localhost:8180
  }
}


ssh user@host -N -R 8180:0.0.0.0:3000