title: Packaging native image using graalvm and quarkus gave an error
body: <p>Dears,
  I am following the <a href="https://quarkus.io/guides/building-native-image-guide.html" rel="nofollow noreferrer">native image build tutorial</a> by quarkus to create native graalvm but i am getting the below error :</p>
  
  <pre><code>Error: No main manifest attribute, in /home/docker/workspace/quarkus/quarkus-getting-started/target/quarkus-getting-started-1.0-SNAPSHOT-runner.jar
  [INFO] ------------------------------------------------------------------------
  [INFO] BUILD FAILURE
  [INFO] ------------------------------------------------------------------------
  [INFO] Total time: 15.056 s
  [INFO] Finished at: 2019-03-14T11:26:12+04:00
  [INFO] ------------------------------------------------------------------------
  [ERROR] Failed to execute goal io.quarkus:quarkus-maven-plugin:0.11.0:native-image (default) on project quarkus-getting-started: Failed to generate a native image: Failed to build native image: Image generation failed -&gt; [Help 1]
  </code></pre>
  
  <p>my environment :
  OS : CentOS 7
  Quarkus : 0.11.0
  Java : Open JDK 1.8.0_181
  GraalVM : 1.0.0-rc13</p>
  
  <p>Using quarkus there is no main method in your app, but how to make it working using graal native image ?</p>