unleash.unleash/app.json

{
  "name": "Unleash",
  "description": "A default setup of Unleash",
  "repository": "https://github.com/heroku/node-js-sample",
  "logo": "https://github.com/Unleash/unleash/blob/master/.github/logo.png?raw=true",
  "keywords": ["node", "feature toggles", "release"],
  "addons": [
    {
      "plan": "heroku-postgresql",
      "options": {
        "version": "10"
      }
    }
  ]
}