Deploy a Maven package to GitLab Packages

maven-deploy-to-gitlab.sh

cat << 'EOF' > gitlab-mvn-settings.xml
<settings xmlns="http://maven.apache.org/SETTINGS/1.1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.1.0 http://maven.apache.org/xsd/settings-1.1.0.xsd">
    <servers>
        <server>
            <id>gitlab</id>
            <configuration>
                <httpHeaders>
                    <property>
                        <name>Deploy-Token</name>
                        <value>${env.GITLAB_DEPLOY_TOKEN}</value>
                    </property>
                </httpHeaders>
            </configuration>
        </server>
    </servers>
</settings>
EOF

export GITLAB_DEPLOY_TOKEN='your GitLab deploy token'
mvn -s gitlab-mvn-settings.xml deploy # use --batch-mode in a CI job