server.xml

<server description="defaultServer">

    <!-- Enable features -->
    <featureManager>
        <feature>javaee-8.0</feature>
    </featureManager>

    <!-- This template enables security. To get the full use of all the capabilities, a keystore and 
        user registry are required. -->

    <!-- For the keystore, default keys are generated and stored in a keystore. To provide the keystore 
        password, generate an encoded password using bin/securityUtility encode and add it below in the password 
        attribute of the keyStore element. Then uncomment the keyStore element. -->
    <!-- <keyStore password=""/> -->

    <!--For a user registry configuration, configure your user registry. For example, configure a basic 
        user registry using the basicRegistry element. Specify your own user name below in the name attribute 
        of the user element. For the password, generate an encoded password using bin/securityUtility encode 
        and add it in the password attribute of the user element. Then uncomment the user element. -->
    <basicRegistry id="basic" realm="BasicRealm">
        <user name="admin" password="admin123" />
    </basicRegistry>

    <keyStore id="defaultKeyStore" password="admin123" />

    <!-- To access this server from a remote client add a host attribute to the following element, e.g. 
        host="*" -->
    <httpEndpoint host="*" httpPort="9080" httpsPort="9443" id="defaultHttpEndpoint" />

    <!-- Automatically expand WAR files and EAR files -->
    <applicationManager autoExpand="true" />

    <dataSource id="JakartaEECafeDB" jdbcDriverRef="postgresql-driver"
        jndiName="jdbc/JakartaEECafeDB" transactional="true"
        type="javax.sql.ConnectionPoolDataSource">
        <properties databaseName="postgres" password="" portNumber="5432"
            serverName="172.17.0.2" user="postgres" />
    </dataSource>

    <jdbcDriver id="postgresql-driver"
        javax.sql.ConnectionPoolDataSource="org.postgresql.ds.PGConnectionPoolDataSource"
        javax.sql.XADataSource="org.postgresql.xa.PGXADataSource" libraryRef="postgresql-library" />

    <library id="postgresql-library">
        <fileset dir="${shared.resource.dir}" id="PostgreSQLFileset"
            includes="postgresql-42.2.18.jar" />
    </library>
</server>