osem-fcy/config/initializers/sentry.rb

Sentry.init do |config|
  config.enabled_environments = %|production staging|
  config.dsn = ENV['SENTRY_DSN']
  config.breadcrumbs_logger = [:active_support_logger]

  # To activate performance monitoring, set one of these options.
  # We recommend adjusting the value in production:
  config.traces_sample_rate = 0.5
  # or
  # config.traces_sampler = lambda do |context|
  #   true
  # end
end