tstring_content'>Creating &#39;</span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_dockerfile'>dockerfile</span><span class='embexpr_end'>}</span><span class='tstring_content'>&#39; for &#39;</span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_name'>name</span><span class='embexpr_end'>}</span><span class='tstring_content'>&#39; that will use command &#39;</span><span class='embexpr_beg'>#{</span><span class='id identifier rubyid_cmd'>cmd</span><span class='emb