user  nginx;
worker_processes  auto;
error_log  /var/log/nginx/error.log notice;
pid        /var/run/nginx.pid;
events {
    worker_connections  1024;
}
http {
    server {
        root /usr/share/nginx/html;
        location / {
            error_page 404 /404.html;
        }
    }
}