nginx rate limit

gistfile1.txt

limit_req_zone $request_uri zone=by_uri:10m rate=30r/m;

server {
    listen 80;

    location /by-uri/burst0 {
        limit_req zone=by_uri;
        try_files $uri /index.html;
    }

    location /by-uri/burst5 {
        limit_req zone=by_uri burst=5;
        try_files $uri /index.html;
    }

    location /by-uri/burst5_nodelay {
        limit_req zone=by_uri burst=5 nodelay;
        try_files $uri /index.html;
    }
}