hello.conf

map $http_cookie $has_session {
    default 0;
    "~*session=([^;]+)" 1;
}


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

    location / {
    root /usr/share/nginx/html;
    try_files /index.html =404;
    expires -1;
    sub_filter_once off;
    sub_filter 'server_hostname' '$hostname';
    sub_filter 'server_address' '$server_addr:$server_port';
    sub_filter 'server_url' '$request_uri';
    sub_filter 'server_date' '$time_local';
    sub_filter 'http_host' '$http_host';
    sub_filter 'http_x_forwarded_for' '$http_x_forwarded_for';
    sub_filter 'cookie_session' '$cookie_session';
    sub_filter 'remote_address' '$remote_addr';
    sub_filter 'request_id' '$request_id';

    if ($has_session = 0) {
    set $session_hash $request_id;
    add_header Set-Cookie "session=$session_hash; Max-Age=300; Secure; SameSite=Strict";
    }

   }

}