<plugin>
    <groupId>com.github.codeteapot.maven.plugins</groupId>
    <artifactId>packer-maven-plugin</artifactId>
    <version>1.0.0</version>
    <executions>
        <execution>
            <id>packer-build</id>
            <goals>
                <goal>build</goal>
            </goals>
            <phase>package</phase>
            <configuration>
                <inputDirectory>${project.build.directory}/packer/input</inputDirectory>
                <template>template.json</template>
            </configuration>
        </execution>
    </executions>
</plugin>