title: spring boot with bluemix error: None of the buildpacks detected a compatible application
body: <p>Steps:</p>
  
  <ol>
  <li>create new project with start.spring.io</li>
  <li>run it localy - works</li>
  <li>run gradle task <code>jar</code></li>
  <li>push jar to bluemix <code>cf push demoWar.jar</code></li>
  </ol>
  
  <blockquote>
    <p>Downloaded app package (20.1M) Staging... None of the buildpacks
    detected a compatible application Exit status 222 Staging failed:
    Exited with status 222 Destroying container</p>
    
    <p>FAILED Error restarting application: NoAppDetectedError</p>
    
    <p>TIP: Buildpacks are detected when the "cf push" is executed from
    within the dire ctory that contains the app source code.</p>
  </blockquote>