app.json

{
  "name": "Probot",
  "description": "a trainable robot that responds to activity on GitHub",
  "keywords": ["Probot", "node", "github"],
  "repository": "https://github.com/probot/probot",
  "logo": "https://github.com/probot.png",
  "env": {
    "PRIVATE_KEY": {
      "description": "the private key you downloaded when creating the GitHub App"
    },
    "APP_ID": {
      "description": "the ID of your GitHub App"
    },
    "WEBHOOK_SECRET": {
      "description": "the secret configured for your GitHub App"
    },
    "LOG_LEVEL": {
      "required": false,
      "value": "info",
      "description": "trace, debug, info, warn, error, or fatal; default: info"
    }
  }
}