server {
  listen 80;
  server_name localhost;

  client_max_body_size 1024m;

  location / {
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "upgrade";
    proxy_set_header Host $host;
    proxy_set_header X-Nginx-Proxy true;
    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;
    proxy_pass http://lsky:8089;
 }
}