app.json

{
    "name": "Scala Exercises",
    "description": "Introducing Scala Exercises: Quick lessons that will get you on your way to learning Scala in no time.",
    "website": "http:\/\/www.scala-exercises.org",
    "addons": [
        "heroku-postgresql:hobby-dev"
    ],
    "success_url": "\/",
    "env": {
        "WARTING": "false",
        "FORMATCODE": "false",
        "BUILDPACK_URL": "https:\/\/github.com\/heroku\/heroku-buildpack-multi",
        "JAVA_OPTS": "-Xmx768m -Xss512k -XX:+UseCompressedOops",
        "JAVA_TOOL_OPTIONS": "-Xmx768m -Xss512k -XX:+UseCompressedOops",
        "EVALUATOR_AUTH_KEY": {
            "required": true
        },
        "EVALUATOR_URL": {
            "required": true
        },
	    "EVOLUTIONS_AUTO_APPLY" : "true",
	    "EVOLUTIONS_AUTO_APPLY_DOWNS" : "true"
    },
    "formation": {
        "web": {
            "quantity": 1,
            "size": "performance-m"
        }
    }
}