war-in-pom.xml

<plugin>
    <artifactId>maven-war-plugin</artifactId>
    <version>2.3</version>
    <configuration>
        <warSourceExcludes>**</warSourceExcludes>
        <webResources>
            <webResource>
                <directory>${basedir}/src/main/webapp/WEB-INF</directory>
                <includes>
                    <include>web.xml</include>
                </includes>
                <targetPath>WEB-INF</targetPath>
                <filtering>true</filtering>
            </webResource>
            <webResource>
                <directory>${project.build.directory}/bekk-frontend</directory>
                <targetPath>.</targetPath>
            </webResource>
        </webResources>
    </configuration>
</plugin>