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authorGraham Christensen <graham@grahamc.com>2019-08-12 19:56:57 -0400
committerGraham Christensen <graham@grahamc.com>2019-08-12 19:56:57 -0400
commit2e6a16f2bdd32d9efc444285c559d1eac18212cc (patch)
tree9e2eebe90154a93593bbc861a3502713fc634fcf /doc/functions/dockertools.xml
parent9175a201bbb28e679d72e9f7d28c84ab7d1f742b (diff)
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dockerTools: document extraCommands
Diffstat (limited to 'doc/functions/dockertools.xml')
-rw-r--r--doc/functions/dockertools.xml13
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/functions/dockertools.xml b/doc/functions/dockertools.xml
index 3e9281557d51..3e5b76756e2f 100644
--- a/doc/functions/dockertools.xml
+++ b/doc/functions/dockertools.xml
@@ -316,6 +316,19 @@ hello        latest   de2bf4786de6   About a minute ago   25.2MB
      </para>
     </listitem>
    </varlistentry>
+   <varlistentry>
+    <term>
+     <varname>extraCommands</varname> <emphasis>optional</emphasis>
+    </term>
+    <listitem>
+     <para>
+       Commands to run while building the final layer, without access
+       to most of the layer contents. Changes to this layer are "on top"
+       of all the other layers, so can create additional directories
+       and files.
+     </para>
+    </listitem>
+   </varlistentry>
   </variablelist>
 
   <section xml:id="dockerTools-buildLayeredImage-arg-contents">