-----> App not compatible with buildpack: https://buildpack-registry.s3.amazonaws.com/buildpacks/heroku/java.tgz
       Could not find a pom.xml file! Please check that it exists and is committed to Git.
       More info: https://devcenter.heroku.com/articles/buildpacks#detection-failure
 !     Push failed

This is seen in Heroku's web app

This is my repo: https://github.com/ericntd/spring-boot-heroku-demo