nginx.conf

http {
  server {
    listen 8080;

    location /lua_content {
      default_type 'text/plain';

      content_by_lua_block {
        local redis_client = redis_cluster:new(config)
        local rate, err = redis_rate.measure(redis_client, ngx.var.arg_token)
        if err then
            ngx.log(ngx.ERR, "err: ", err)
            ngx.exit(ngx.HTTP_INTERNAL_SERVER_ERROR)
        end

        if rate > 10 then
            ngx.exit(ngx.HTTP_FORBIDDEN)
        end

        ngx.say(rate)
      }
    }
  }
}