server {
    listen 80;
    listen [::]:80;
    server_name localhost default_server;
    client_max_body_size 200m;

    location / {
        if ($request_filename ~* .*\.(?:htm|html)$) {
            add_header Cache-Control "no-store";
        }
        root /usr/share/nginx/html;
        try_files $uri @index ;
    }

    location @index {
        add_header Cache-Control "no-store" ;
        root /usr/share/nginx/html;
        index index.html index.htm;
        try_files $uri/index.html /index.html;
    }

    error_page 405 =200 $uri;
}