app.json

{
    "name": "Vert.x on Heroku",
    "description": "A barebones Vert.x app, which can easily be deployed to Heroku.",
    "addons": [ "heroku-postgresql" ],
    "env": {
        "MAVEN_CUSTOM_OPTS": {
            "description": "Custom Maven options for the buildpack",
            "value": "-DskipTests -pl heroku-example"
        }
    }
}