<project>
  <!-- ... -->
  <build>
    <plugins>
      <!-- ... -->
      <plugin>
        <groupId>com.samaxes.maven</groupId>
        <artifactId>minify-maven-plugin</artifactId>
        <version>1.7.6</version>
        <executions>
          <execution>
            <id>default-minify</id>
            <configuration>
              <cssSourceFiles>
                <cssSourceFile>file-1.css</cssSourceFile>
                <!-- ... -->
                <cssSourceFile>file-n.css</cssSourceFile>
              </cssSourceFiles>
              <jsSourceFiles>
                <jsSourceFile>file-1.js</jsSourceFile>
                <!-- ... -->
                <jsSourceFile>file-n.js</jsSourceFile>
              </jsSourceFiles>
            </configuration>
            <goals>
              <goal>minify</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
      <!-- ... -->
    </plugins>
  </build>
  <!-- ... -->
</project>