([matrix_playbook_reverse_proxyable_services_additional_network] if matrix_playbook_reverse_proxyable_services_additional_network else [])
([matrix_playbook_reverse_proxyable_services_additional_network] if matrix_sliding_sync_container_labels_traefik_enabled and matrix_playbook_reverse_proxyable_services_additional_network else [])
+
([] if matrix_homeserver_container_network in ['', matrix_sliding_sync_container_network] else [matrix_homeserver_container_network])