Increase the number of workers to 4 per box
user
```ruby
def load_file_if_exists(config, file)
  config.instance_eval(File.read(file)) if File.exist?(file)
end
load_file_if_exists(self, "/etc/govuk/unicorn.rb")

working_directory File.dirname(File.dirname(__FILE__))
worker_processes 4
```
assistant