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">

	<servers>
		<server>
			<id>sonatype-nexus-snapshots</id>
			<username>${env.USERNAME}</username>
			<password>${env.PASSWORD}</password>
		</server>
		<server>
			<id>sonatype-nexus-staging</id>
			<username>${env.USERNAME}</username>
			<password>${env.PASSWORD}</password>
		</server>
	</servers>

</settings>