FROM {{ namespace }}/{{ image_prefix }}base:{{ tag }} {% block labels %} LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build_date }}" {% endblock %} {% block letsencrypt_base_header %}{% endblock %} {% import "macros.j2" as macros with context %} {{ macros.install_packages(cinder_base_packages | customizable("packages")) }} COPY extend_start.sh /usr/local/bin/kolla_extend_start {% block letsencrypt_base_footer %}{% endblock %}