app.json

{
  "name": "Spotify Token Swap Service",
  "description":
    "Swap tokens for using Spotify APIs and SDKs, made really simple 🔑 ⛓",
  "keywords": ["spotify", "authorization code", "ruby", "sinatra", "heroku"],
  "addons": [],
  "env": {
    "SPOTIFY_CLIENT_ID": {
      "description":
        "Client ID of your Spotify application. Find it at https://developer.spotify.com/dashboard",
      "required": true
    },
    "SPOTIFY_CLIENT_SECRET": {
      "description":
        "Client Secret of your Spotify application. Find it at https://developer.spotify.com/dashboard",
      "required": true
    },
    "SPOTIFY_CLIENT_CALLBACK_URL": {
      "description":
        "A registered callback URL for your Spotify application. Register a callback in 'Edit Settings' at https://developer.spotify.com/dashboard",
      "value": "yourapplication://",
      "required": true
    },
    "ENCRYPTION_SECRET": {
      "description": "A secret key for additional security of refresh tokens.",
      "generator": "secret"
    }
  }
}