{
  "name": "Ackee",
  "description": "Self-hosted, Node.js based analytics tool for those who care about privacy",
  "keywords": [
    "server",
    "tracking",
    "analytics"
  ],
  "website": "https://ackee.electerious.com/",
  "repository": "https://github.com/electerious/Ackee",
  "env": {
    "ACKEE_USERNAME": {
      "description": "Username which will be used to log in to Ackee",
      "required": true
    },
    "ACKEE_PASSWORD": {
      "description": "Password which will be used to log in to Ackee",
      "required": true
    }
  },
  "addons": [
    {
      "plan": "mongolab"
    }
  ]
}
{
  "name": "Ackee",
  "description": "Self-hosted, Node.js based analytics tool for those who care about privacy",
  "keywords": [
    "server",
    "tracking",
    "analytics"
  ],
  "website": "https://ackee.electerious.com/",
  "repository": "https://github.com/electerious/Ackee",
  "env": {
    "ACKEE_USERNAME": {
      "description": "Username which will be used to log in to Ackee",
      "required": true
    },
    "ACKEE_PASSWORD": {
      "description": "Password which will be used to log in to Ackee",
      "required": true
    },
    "ACKEE_MONGODB": {
      "description": "MongoDB URI which will be used to connect a database to Ackee",
      "required": true
    },
    "ACKEE_ALLOW_ORIGIN": {
      "description": "Tracked domains which will be used on Ackee (CORS headers)",
      "required": true
    },
    "ACKEE_TTL": {
      "description": "Specifies how long an Ackee TTL token is valid (Default: 3600000)",
      "required": false
    },
    "ACKEE_TRACKER": {
      "description": "Specifies a custom name for the tracking script (Default: tracker.js)",
      "required": false
    }
  }
}

Fix for "Deploy to Heroku" button
Fix for "Deploy to Heroku" button