sing-box/test/config/vmess-server.json

{
  "log": {
    "loglevel": "debug"
  },
  "inbounds": [
    {
      "listen": "0.0.0.0",
      "port": 1234,
      "protocol": "vmess",
      "settings": {
        "clients": [
          {
            "id": "b831381d-6324-4d53-ad4f-8cda48b30811",
            "alterId": 0
          }
        ]
      }
    }
  ],
  "outbounds": [
    {
      "protocol": "freedom"
    }
  ]
}