@Override
                    public TarArchiver customize(TarArchiver archiver) throws IOException {
                        archiver.addFile(dockerFile, DOCKERFILE_NAME);
                        return archiver;
                    }
Create an docker tar archive from the given configuration which can be send to the Docker host for
creating the image.

@param imageName Name of the image to create (used for creating build directories)
@param params Mojos parameters (used for finding the directories)
@param buildConfig configuration for how to build the image
@param log Logger used to display warning if permissions are to be normalized
@param finalCustomizer finalCustomizer to be applied to the tar archive
@return file holding the path to the created assembly tar file
@throws MojoExecutionException
src/main/java/io/fabric8/maven/docker/assembly/DockerAssemblyManager.java