settings.xml

<!-- 
OSSRH_USER_TOKEN and OSSRH-PWD_TOKEN: The username and password tokens for your OSSRH account
GPG_KEY: the name of the GPG key file to use for signing e.g. F784FAB8
GPG_PWD: the password to access the GPG key
-->

<settings>
  <servers>
    <server>
      <id>ossrh</id>
      <username>${env.OSSRH_USER_TOKEN}</username>
      <password>${env.OSSRH_PWD_TOKEN}</password>
    </server>
  </servers>
  <profiles>
    <profile>
      <activation>
        <activeByDefault>true</activeByDefault>
      </activation>
      <properties>
        <gpg.keyname>${env.GPG_KEY}</gpg.keyname>
        <gpg.passphrase>${env.GPG_PWD}</gpg.passphrase>
      </properties>
    </profile>
  </profiles>
</settings>