private String getImageDigest(String status) {
        Optional<String> digest = Arrays.asList(status.split(" ")).stream().filter(each -> each.contains(SHA256))
                .findFirst();
        if (digest.isPresent()) {
            return digest.get().trim();
        }
        return null;
    }
DockerClientImpl is docker client to docker daemon to perform all
image actions like pull image, tag image, push image etc.
It connects to the docker daemon through an environment
variable @see ImageBuilderConfig.getDockerHost() or through to
the default host based on the operating system.
image-builder/builder-services/src/main/java/io/hyscale/builder/services/docker/impl/DockerRESTClient.java