nginx-rate-limit-proxy-config

limit_req_zone  $binary_remote_addr zone=mylimit:10m rate=10r/s;
limit_conn_zone $binary_remote_addr zone=addr:10m;
server {
	server_name mydomain.com;
	limit_req zone=mylimit burst=15;
	limit_conn addr 10;
	limit_req_status 429;
	client_max_body_size 8M;
	location / {
    		proxy_pass http://localhost:8000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
  }
}