go-zero/rq/etc/config.json

{
    "Log": {
        "Access": "logs/access.log",
        "Error": "logs/error.log",
        "Stat": "logs/stat.log"
    },
    "MetricsUrl": "http://localhost:2222/add",
    "Redis": {
        "Host": "localhost:6379",
        "Type": "node",
        "Key": "reqs"
    },
    "Etcd": {
        "Hosts": [
            "localhost:2379"
        ],
        "EtcdKey": "rq"
    }
}