```ruby
HoptoadNotifier.configure do |config|
  config.api_key = '86a3b1ba9ee92b6bfc5cb1840e9ae3df'
end
```

Use a env variable for the Hoptoad API key instead of hardcoding it
user
```ruby
HoptoadNotifier.configure do |config|
  config.api_key = ENV['HOPTOAD_API_KEY']
end
```
assistant