<?xml version="1.0" encoding="UTF-8"?>
<module xmlns="urn:jboss:module:1.0" name="org.postgresql">
    <resources>
        <resource-root path="postgresql-9.4-1201.jdbc41.jar"/>
    </resources>

    <dependencies>
        <module name="javax.api"/>
        <module name="javax.transaction.api"/>
    </dependencies>
</module>

<datasources>
         <datasource jta="false" jndi-name="java:/postgresDS" pool-name="postgresDS" enabled="true" use-ccm="false">
             <connection-url>jdbc:postgresql://localhost:5432/mydatabase</connection-url>
             <driver-class>org.postgresql.Driver</driver-class>
             <driver>postgresql</driver>
             <pool>
                <min-pool-size>5</min-pool-size>
                <max-pool-size>200</max-pool-size>
            </pool>
             <security>
                 <user-name>scott</user-name>
                 <password>tiger</password>
             </security>
             <validation>
                 <validate-on-match>false</validate-on-match>
                 <background-validation>false</background-validation>
                 <background-validation-millis>1</background-validation-millis>
             </validation>
             <statement>
                 <prepared-statement-cache-size>0</prepared-statement-cache-size>
                 <share-prepared-statements>false</share-prepared-statements>
             </statement>
         </datasource>

               <drivers>
                   <driver name="postgresql" module="org.postgresql">
                      <xa-datasource-class>org.postgresql.Driver</xa-datasource-class>
                   </driver>
               </drivers>
</datasources>

<drivers>
    <driver name="postgresql" module="org.postgresql">
        <xa-datasource-class>org.postgresql.Driver</xa-datasource-class>
    </driver>
</drivers>