private boolean hasAssemblyConfiguration(List<AssemblyConfiguration> assemblyConfig) {
        return assemblyConfig != null &&
               !assemblyConfig.isEmpty() &&
               assemblyConfig.stream().anyMatch(this::hasAssemblyConfiguration);
    }
Extract all files with a tracking archiver. These can be used to track changes in the filesystem and triggering
a rebuild of the image if needed ('docker:watch')
src/main/java/io/fabric8/maven/docker/assembly/DockerAssemblyManager.java