INNER CODE UNIT · Go

dockerfileFromStdin

genuinetools/img · build.go:378

func dockerfileFromStdin() (string, error) {
	stdin, err := ioutil.ReadAll(os.Stdin)
	if err != nil {
		return "", fmt.Errorf("reading from stdin failed: %v", err)
	}

	// Create a temporary file for the Dockerfile
	f, err := ioutil.TempFile("", "img-build-dockerfile-")
	if err != nil {
		return f.Name(), fmt.Errorf("unable to create temporary file for dockerfile: %v", err)
	}
	defer f.Close()

	if _, err := f.Write(stdin); err != nil {
		return f.Name(), fmt.Errorf("writing to temporary file for dockerfile failed: %v", err)
	}

	return f.Name(), nil

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