sentry-raven in sinatra

helpers.rb

module Helpers
  def capture_exception(e, env)
    if ENV['SENTRY_DSN']
      evt = Raven::Event.capture_rack_exception(e, env)
      Raven.send(evt) if evt
    end
  end
end

sentry-raven-sinatra-app.rb

require 'helpers'

if ENV['SENTRY_DSN']
  require 'raven'

  Raven.configure do |config|
    config.dsn = ENV['SENTRY_DSN']
    config.environments = %w[staging production]
  end
end

class App < Sinatra::Base
  helpers Helpers

  get '/' do
    raise StandardError, 'testing sentry'
    # raise exception to send to sentry
  end

  error do
    capture_exception env['sinatra.error'], env
    { message: env['sinatra.error'].message }.to_json
  end
end