LogStashLogger.configure do |config|
  config.customize_event do |event|
    event["token"] = "1e23az12e12eza12aze13aez13aez13aez12zae12e123"
  end
end

# config/initializers/lograge.rb
# OR
# config/environments/production.rb
Rails.application.configure do
  config.lograge.enabled = true
  config.lograge.formatter = Lograge::Formatters::Logstash.new
  config.lograge.logger = LogStashLogger.new(type: :tcp, host: "listener.logz.io", port: 5050)
  # Optionnal
  # config.lograge.keep_original_rails_log = true
end