<dependency>      <groupId>org.springframework.boot</groupId>      <artifactId>spring-boot-starter-web</artifactId>    </dependency>

  <build>    <plugins>      <plugin>        <groupId>org.springframework.boot</groupId>        <artifactId>spring-boot-maven-plugin</artifactId>      </plugin>      <!-- mvn process-resources -->      <plugin>        <artifactId>maven-resources-plugin</artifactId>        <executions>          <execution>            <id>copy Vue.js frontend content</id>            <phase>generate-resources</phase>            <goals>              <goal>copy-resources</goal>            </goals>            <configuration>              <outputDirectory>src/main/resources/static</outputDirectory>              <overwrite>true</overwrite>              <resources>                <resource>                  <directory>${basedir}/vue-demo/dist</directory>                  <includes>                    <include>static/</include>                    <include>index.html</include>                  </includes>                </resource>              </resources>            </configuration>          </execution>        </executions>      </plugin>    </plugins>  </build>