ifier rubyid_container'><span class='object_link'><a href="../../../../Brut.html#container-class_method" title="Brut.container (method)">container</a></span></span><span class='period'>.</span><span class='id identifier rubyid_project_root'>project_root</span><span class='embexpr_end'>}</span><span class='tstring_content'>/</span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_dockerfile'>dockerfile</span><span class='embexpr_end'>}</span><span class='tstring_content'> --platform </span