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
                          https://maven.apache.org/xsd/settings-1.0.0.xsd">

    <profiles>
        <profile>
            <id>ossrh</id>
            <properties>
                <gpg.executable>gpg</gpg.executable>
                <gpg.passphrase>${env.GPG_PASSPHRASE}</gpg.passphrase>

                <gpg.keyname>89F7AE0A4A492CB498C38550A88841D8AA4169C3</gpg.keyname>
                <gpg.passphraseServerId>${gpg.keyname}</gpg.passphraseServerId>
                <gpg.defaultKeyring>false</gpg.defaultKeyring>
            </properties>
        </profile>
    </profiles>
    <activeProfiles>
        <activeProfile>ossrh</activeProfile>
    </activeProfiles>
</settings>