assemblies/src/main/resources/assemblies/jar-with-dependencies-descriptor.xml

<?xml version="1.0" encoding="UTF-8"?>
<assembly>
    <id>jar-with-dependencies</id>
    <formats>
        <format>jar</format>
    </formats>
    <includeBaseDirectory>false</includeBaseDirectory>
    <dependencySets>
        <dependencySet>
            <unpack>true</unpack>
            <scope>runtime</scope>
        </dependencySet>
    </dependencySets>
    <fileSets>
        <fileSet>
            <directory>${project.build.outputDirectory}</directory>
            <outputDirectory />
        </fileSet>
    </fileSets>
</assembly>