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>gitlab-maven</id>
            <configuration>
                <httpHeaders>
                    <property>
                        <name>Job-Token</name>
                        <value>${env.CI_JOB_TOKEN}</value>
                    </property>
                </httpHeaders>
            </configuration>
        </server>
    </servers>

    <profiles>
        <profile>
            <id>gitlab-build</id>
            <properties>
                <jboss.releases.repo.id>gitlab-maven</jboss.releases.repo.id>
                <jboss.releases.repo.url>https://gitlab.com/api/v4/projects/${env.CI_PROJECT_ID}/packages/maven
                </jboss.releases.repo.url>
                <jboss.snapshots.repo.id>gitlab-maven</jboss.snapshots.repo.id>
                <jboss.snapshots.repo.url>https://gitlab.com/api/v4/projects/${env.CI_PROJECT_ID}/packages/maven
                </jboss.snapshots.repo.url>
            </properties>
        </profile>
    </profiles>

    <activeProfiles>
        <activeProfile>gitlab-build</activeProfile>
    </activeProfiles>

</settings>