-----> 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