t_wの輪郭

var ENDPOINT = os.Getenv("API_AMPLIFY_GRAPHQLAPIENDPOINTOUTPUT")
func query(query_string string) string {
	json_string := `{"query":"` + strings.Replace(query_string, "\n", "\\n", 100) + `"}`
	req, err := http.NewRequest(
		"POST",
		ENDPOINT,
		bytes.NewBuffer([]byte(json_string)),
	)
	if err != nil {
		panic(err)
	}

	req.Header.Set("Content-Type", "application/json")

	//Authの設定によっては署名が必要
	config := aws.Config{Region: aws.String("ap-northeast-1")}
	sess := session.Must(session.NewSession(&config))
	signer := v4.NewSigner(sess.Config.Credentials)
	signer.Sign(req, bytes.NewReader([]byte(json_string)), "appsync", "ap-northeast-1", time.Now())

	client := &http.Client{}

	resp, err := client.Do(req)
	if err != nil {
		panic(err)
	}
	defer resp.Body.Close()

	body, err := io.ReadAll(resp.Body)
	if err != nil {
		panic(err)
	}

	return string(body)
}