Include both database drivers in one pom.xml This makes it unnecessary to package for a specific database and makes it possible to connect to both database backends from the same installation (e.g. in a Docker container).

<?xml version="1.0" encoding="UTF-8" ?>
<datacage>
    <user>SA</user>
    <password/>
    <driver>org.h2.Driver</driver>
    <url>jdbc:h2:${artifacts.config.dir}/../datacagedb/datacage</url>
</datacage>