settings.xml

<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
                      http://maven.apache.org/xsd/settings-1.0.0.xsd">
    <servers>
        <server>
            <id>praqma</id>
            <username>mavenrelease</username>
            <!--<privateKey>~/.ssh/mavenrelease</privateKey> -->
        </server>
        <server>
            <id>maven.jenkins-ci.org</id>
            <username>praqma</username>
            <password>${env.PWFORPRAQMAMVNUSER}</password>
        </server>
    </servers>

    <profiles>
        <!-- Give access to Jenkins plugins -->
        <profile>
            <id>jenkins</id>
            <activation>
                <activeByDefault>true</activeByDefault> <!-- change this to false, if you don't like to have it on per default -->
            </activation>
            <repositories>
                <repository>
                    <id>repo.jenkins-ci.org</id>
                    <url>https://repo.jenkins-ci.org/public/</url>
                </repository>
            </repositories>
            <pluginRepositories>
                <pluginRepository>
                    <id>repo.jenkins-ci.org</id>
                    <url>https://repo.jenkins-ci.org/public/</url>
                </pluginRepository>
            </pluginRepositories>
        </profile>
    </profiles>
</settings>