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">

    <activeProfiles>
        <activeProfile>ossrh</activeProfile>
    </activeProfiles>

    <profiles>
        <profile>
            <id>ossrh</id>
            <activation>
                <activeByDefault>true</activeByDefault>
            </activation>
            <repositories>
                <repository>
                    <id>central</id>
                    <url>https://repo1.maven.org/maven2</url>
                </repository>
            </repositories>
            <pluginRepositories>
                <pluginRepository>
                    <id>central</id>
                    <url>https://repo1.maven.org/maven2</url>
                    <releases>
                        <enabled>true</enabled>
                    </releases>
                    <snapshots>
                        <enabled>true</enabled>
                        <updatePolicy>always</updatePolicy>
                    </snapshots>
                </pluginRepository>
            </pluginRepositories>
            <properties>
                <gpg.executable>gpg</gpg.executable>
                <gpg.passphrase>${OSSRH_GPG_PASSWORD}</gpg.passphrase>
            </properties>
        </profile>
    </profiles>

    <servers>
        <server>
            <id>ossrh</id>
            <username>${OSSRH_USERNAME}</username>
            <password>${OSSRH_PASSWORD}</password>
        </server>
    </servers>
</settings>