Make copy of response body reader, and dump json

teereader.go

package main

import (
	"io"
	"net/http"
	"os"
	"strings"
)

func dummmy(){

  response := &http.Response{
		Body: io.NopCloser(strings.NewReader(`{"foo": "bar"}`)),
	}

	responseBodyCopy := io.TeeReader(response.Body, os.Stdout)
}