datasource

<datasource jndi-name="java:jboss/datasources/PULPO_CONTABLE_DB" pool-name="PulpoDB" enabled="true" use-java-context="true">
                    <connection-url>jdbc:postgresql://localhost:5432/pulpo_db</connection-url>
                    <driver-class>org.postgresql.Driver</driver-class>
                    <driver>postgresql-driver</driver>
                    <pool>
                        <min-pool-size>2</min-pool-size>
                        <max-pool-size>20</max-pool-size>
                        <prefill>true</prefill>
                    </pool>
                    <security>
                        <user-name>pulpo_db_user</user-name>
                        <password>elpaipatinero</password>
                    </security>
                    <validation>
                        <check-valid-connection-sql>SELECT 1</check-valid-connection-sql>
                        <validate-on-match>false</validate-on-match>
                        <background-validation>false</background-validation>
                        <use-fast-fail>false</use-fast-fail>
                    </validation>
                </datasource>
                <drivers>
                    <driver name="h2" module="com.h2database.h2">
                        <xa-datasource-class>org.h2.jdbcx.JdbcDataSource</xa-datasource-class>
                    </driver>
                    <driver name="postgresql-driver" module="org.postgresql"/>
                </drivers>