Issues changing defaults via DefaultConfig() about embedded-postgres HOT 2 CLOSED

package main

/*
https://github.com/fergusstrange/embedded-postgres
https://pkg.go.dev/github.com/fergusstrange/embedded-postgres#section-readme
https://github.com/zonkyio/embedded-postgres
https://mvnrepository.com/artifact/io.zonky.test.postgres/embedded-postgres-binaries-bom
*/

import (
        "bytes"
        "fmt"
        "time"

        "github.com/fergusstrange/embedded-postgres"
)

func main() {
        runseconds := 60
        // Version("14.2.0").
        // Version("13.6.0").
        // Version("12.10.0").
        logger := &bytes.Buffer{}
        conf := embeddedpostgres.DefaultConfig().
                Username("demo").
                Password("demo").
                Database("demo").
                Version("14.2.0").
                RuntimePath("./pgdata").
                BinaryRepositoryURL("https://repo1.maven.org/maven2").
                Port(9999).
                StartTimeout(15 * time.Second).
                Logger(logger)

        postgres := embeddedpostgres.NewDatabase(conf)
        err := postgres.Start()
        fmt.Println(err)
        fmt.Printf("Running postgres server for %d seconds.", runseconds)
        time.Sleep(time.Duration(runseconds) * time.Second)

        errstop := postgres.Stop()
        fmt.Println(errstop)
}