We use Config File Provider Plugin and Credentials Plugin for managing the Maven settings.xml file in our build farm. Those plugins will stitch credentials into a settings.xml at the beginning of a build, but the XML stanzas they stitch into the settings.xml file look like this:
This is similar to https://github.com/spotify/docker-maven-plugin/issues/89
No
<configuration><email>...</email></configuration>
entries are created.However, since the issue was resolved, docker login no longer require the email address. See https://github.com/docker/docker/pull/16183 (merged in docker 1.11)
Could we relaxed the email restriction as we are not currently able to use Jenkins + Credentials Plugin + Spotify Maven Plugin.