Adding sentry to a rails app

.env

# You can point the Sentry Client to another (i.e. self-hosted) instance by setting this environment variable:

SENTRY_DSN: http://[email protected]/[your_sentry_project_id]

app_controllers_application_controller.rb

class ApplicationController < ActionController::Base
  before_action :set_raven_context
  
  # ...middle of the file ommitted for clarity

  private

  def set_raven_context
    Raven.user_context(id: current_user&.id) # or anything else in session
    Raven.extra_context(params: params.to_unsafe_h, url: request.url)
  end
end

config_initializers_sentry.rb

Raven.configure do |config|
  config.sanitize_fields = Rails.application.config.filter_parameters.map(&:to_s)
  config.ssl_verification = false
  config.tags = { app: :your_app_name, env: Rails.env }
end

Gemfile

# ...start of file ommitted for clarity...

# Provides a client interface for the Sentry error logger
gem 'sentry-raven', '~> 2.7', '>= 2.7.4'

# ...end of file ommitted for clarity...