```ruby
Airbrake.configure do |config|
  config.api_key = ENV['AIRBRAKE_API_KEY']
end
```

Change over to configurable Airbrake host for Errbit
user
```ruby
Airbrake.configure do |config|
  config.api_key = ENV['AIRBRAKE_API_KEY']
  config.host    = ENV['AIRBRAKE_HOST']
end
```
assistant