app.json

{
  "name": "spinney",
  "description": "A Puppeteer-as-a-service app for turning HTML into images",
  "addons": [
    "heroku-postgresql"
  ],
  "env": {
    "HEROKU_APP_NAME": {
      "description": "Heroku auto-injects this app's hostname into the env when using review apps. We use it to determine if we're in a review app. https://devcenter.heroku.com/articles/github-integration-review-apps#injected-environment-variables",
      "required": false
    },
    "LANG": {
      "description": "Document language and encoding supplied with HTTP responses",
      "value": "en_US.UTF-8",
      "required": true
    },
    "RACK_ENV": {
      "description": "Rack environment; defaults to same as RAILS_ENV",
      "value": "production",
      "required": true
    },
    "RAILS_LOG_TO_STDOUT": {
      "description": "Configures Rails to log to stdout, which we pick up with log monitoring add-ons",
      "value": "true",
      "required": true
    },
    "RAILS_SERVE_STATIC_FILES": {
      "description": "Configures Rails to generate and serve static files directly without using an external asset server",
      "value": "true",
      "required": true
    },
    "SECRET_KEY_BASE": {
      "description": "Secret salt used for generating random things such as UUIDs; required, but generated and rotated by hand to control session kills",
      "required": true
    },
    "GROVER_NO_SANDBOX": {
      "description": "Disables Chrome sandboxing for Grover; requires we trust content passed to Grover",
      "value": "true",
      "required": true
    }
  },
  "formation": {
    "web": {
      "quantity": 1
    }
  },
  "buildpacks": [
    {
      "url": "heroku/ruby"
    },
    {
      "url": "jontewks/puppeteer"
    },
    {
      "url": "heroku/nodejs"
    }
  ]
}