Nginx rate limiter https://itnext.io/how-to-secure-your-web-applications-part-2-cpas-3-5f53978f0aef

rate-limit.conf

limit_req_zone $binary_remote_addr zone=myWebsiteFrontLimit:10m rate=10r/s;


server {
        root /var/www/my-angular-app/dist/my-angular-app;

        index   index.html;
        server_name www.my-website.ro my-website.ro;

        location / {
                limit_req zone=myWebsiteFrontLimit burst=30 nodelay;
                try_files $uri $uri/ /index.html;
        }
}