def METHOD_NAME(self):
    """Return template container recipe."""
    if self.container_template_recipe:
        raise EasyBuildError("--container-template-recipe is not supported yet for Docker container images!")
    if self.container_config:
        return '\n\n'.join([
            DOCKER_TMPL_HEADER % {'container_config': self.container_config},
            DOCKER_OS_INSTALL_DEPS_TMPLS[self.container_config],
            DOCKER_INSTALL_EASYBUILD,
            DOCKER_TMPL_FOOTER,
        ])
    else:
        raise EasyBuildError("--container--config is required for Docker container images!")