<subsystem xmlns="urn:jboss:domain:datasources:1.0">
            <datasources>
                <datasource jta="true" jndi-name="java:jboss/datasources/postgres" pool-name="Postgres_Pool" enabled="true" use-java-context="true" use-ccm="true">
                    <connection-url>jdbc:postgresql://...................:5432/................</connection-url>
                    <driver>postgresql-9.1-901.jdbc4.jar</driver>
                    <security>
                        <user-name>...........</user-name>
                        <password>..................</password>
                    </security>
                </datasource>
            </datasources>
        </subsystem>