glassfish percistence.xml

# precisa configura o connection pool e o resource manualmento no eclipse
# propriedades obrigatorias: DriverClass (org.postgresql.Driver), URL(jdbc:postgresql://localhost:5432/usuario), User, DatabaseName, ServerName, PortNumber, Password

<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd"
	version="2.1">
	<persistence-unit name="jdbc/Usuario" transaction-type="JTA">
		<jta-data-source>jdbc/Usuario</jta-data-source>
		<properties>
			<property name="javax.persistence.schema-generation.database.action" value="create" />
		</properties>
	</persistence-unit>
</persistence>