server {
    listen       80;
    listen  [::]:80;
    server_name  localhost;

    #charset koi8-r;
    #access_log  /var/log/nginx/host.access.log  main;

    location / {
        root   /usr/share/nginx/html;
        index  index.html index.htm;
    if ($request_uri ~ ^/(.*)\.html) {
        return 302 /$1;
    }
    try_files $uri $uri.html $uri/ =404;
    }
}