{
  "log": { "level": "debug" },
  "inbounds": [
    {
      "type": "tun",
      "tag": "tun-in",
      "address": ["172.19.0.1/30"],
      "auto_route": true,
      "stack": "system",
      "dns_hijack": "8.8.8.8:53",
      "exclude_outbound": true,
      "health_check_timeout": 30,
      "health_check_url": "https://www.gstatic.com/generate_204"
    }
  ],
  "outbounds": [
    { "type": "direct", "tag": "direct" }
  ],
  "route": {
    "final": "direct"
  }
}