docker

func Command ¶

func Command(args ...string) *containerCmd

func Pull ¶

func Pull(ctx context.Context, image string, retries int) error

Pull pulls an image, retrying up to retries times

func PullIfNotPresent ¶

func PullIfNotPresent(ctx context.Context, image string, retries int) (pulled bool, err error)

PullIfNotPresent will pull an image if it is not present locally retrying up to retries times it returns true if it attempted to pull, and any errors from pulling

func Save ¶

func Save(image, dest string) error

Save saves image to dest, as in `docker save`