upstream minio{
  server 127.0.0.1:9000;
}

server
{
      ...
    
   location / {
        proxy_pass http://minio;
        proxy_set_header Host $host;
      proxy_set_header X-Real-IP $remote_addr; 
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; 
      proxy_set_header X-Forwarded-Proto $scheme;  
  }
      
      location ~ .*\.(js|css)$ {
        proxy_pass http://minio;
      }
 
    ...
}