Maven credentials

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">
	<servers>
		<server>
			<id>sonatype-nexus-snapshots</id>
			<username>myusername</username>
			<password>mypassword</password>
		</server>
		<server>
			<id>sonatype-nexus-staging</id>
			<username>myusername</username>
			<password>mypassword</password>
		</server>
	</servers>

	<profiles>
		<profile>
			<id>sign</id>
			<activation>
				<activeByDefault>true</activeByDefault>
			</activation>
			<properties>
				<gpg.passphrase>mypassphrase</gpg.passphrase>
			</properties>
		</profile>
	</profiles>
</settings>