lb_configs.json

{
  "port": "9090",
  "servers": [
    {
      "url": "http://localhost:8080",
      "health_url": "http://localhost:8080/health"
    }
  ],
  "rate_limiter_enabled": true,
  "rate_limit_tokens": 10,
  "rate_limit_interval_seconds": 1
}