Minio upload empty byte array

minio_test.go

package main

import (
	"bytes"
	"fmt"
	"log"

	"github.com/grodowski/minio-go"
)

func main() {
	endpoint := "localhost:9000"
	accessKey := "bacon"
	secretKey := "bacon123"
	useSSL := false
	minioClient, err := minio.New(endpoint, accessKey, secretKey, useSSL)
	if err != nil {
		fmt.Println(err)
	}
	bucketName := "burnafterreading"
	exists, err := minioClient.BucketExists(bucketName)
	if err != nil {
		log.Fatalf("error querying for bucket %q existence: %v", bucketName, err)
	}
	if !exists {
		if err := minioClient.MakeBucket(bucketName, "us-east-1"); err != nil {
			log.Fatalf("error creating bucket %q: %v", bucketName, err)
		}
	}
	objectName := "test003.bin"
	reader := bytes.NewReader(make([]byte, 0))
	contentType := "application/octet-stream"
	_, err = minioClient.PutObject(bucketName, objectName, reader, contentType)
	if err != nil {
		fmt.Println(err)
	}
	fmt.Println("Finished")
}