* gnu/services/docker.scm (oci-container-configuration) [shepherd-actions]: New field. (sanitize-shepherd-actions): sanitize it. (oci-container-shepherd-service): use it. * doc/guix.texi: Document it. Change-Id: I0ca9826542be7cb8ca280a07a9bff1a262c2a8a7 Signed-off-by: Zheng Junjie <zhengjunjie@iscas.ac.cn>