protected Optional<DockerCertificatesStore> dockerCertificates()
      throws DockerCertificateException {
    if (!isNullOrEmpty(dockerCertPath)) {
      return DockerCertificates.builder()
        .dockerCertPath(Paths.get(dockerCertPath)).build();
    } else {
      return Optional.absent();
    }
  }
Flag to skip docker push, making push goal a no-op. This can be useful when docker:push
is bound to deploy goal, and you want to deploy a jar but not a container. Defaults to false.
src/main/java/com/spotify/docker/AbstractDockerMojo.java