• 1

<properties>

<timestamp>${maven.build.timestamp}</timestamp>
<maven.build.timestamp.format>yyyy-MM-dd_HH_mm</maven.build.timestamp.format>

</properties>

• 2

<resources>
    <resource>
        <directory>src/main/resources</directory>
        <filtering>true</filtering>
    </resource>
</resources>

• 3

buildtimestamp=@timestamp@