type Backend interface {
// Build builds a Docker image referenced by an imageID string.//// Note: Tagging an image should not be done by a Builder, it should instead be done// by the caller.//// TODO: make this return a reference instead of string
Build(clientCtx context.Context, config *types.ImageBuildOptions, context builder.Context, stdout io.Writer, stderr io.Writer, out io.Writer, clientGone <-chan bool) (string, error)
}
Backend abstracts an image builder whose only purpose is to build an image referenced by an imageID.