static ImageFormat getImageFormat(String jibImageFormat) {
        if (jibImageFormat != null && jibImageFormat.equalsIgnoreCase("oci")) {
            return ImageFormat.OCI;
        }
        return ImageFormat.Docker;
    }
Push Image to registry using JIB

@param imageConfiguration ImageConfiguration
@param pushCredentials    push credentials
@param tarArchive         tar archive built during build goal
@param log                Logger
src/main/java/io/fabric8/maven/docker/util/JibServiceUtil.java