Small Go server getting metrics from Collectd and dumping into stdout

collectd.go

package main

import (
        "context"
        "log"
        "net"
        "os"

        "collectd.org/format"
        "collectd.org/network"
)

func main() {
        ctx := context.Background()

        graphite := &format.Graphite{
                W:                 os.Stdout,
                Prefix:            "test.",
                Suffix:            "",
                EscapeChar:        "_",
                SeparateInstances: true,
                AlwaysAppendDS:    false,
        }
        srv := &network.Server{
                Addr:   net.JoinHostPort("127.0.0.1", network.DefaultService),
                Writer: graphite,
        }

        // blocks
        log.Fatal(srv.ListenAndWrite(ctx))
}