Add sentry for production use (if SENTRY_DSN set)

Gemfile

@@ -53,6 +53,9 @@ group :production do
   gem 'aws-sdk-s3', require: false
   gem 'redis'
   gem 'hiredis-client'
+
+  gem 'sentry-ruby'
+  gem 'sentry-rails'
 end
 
 group :development, :test do

Gemfile.lock

@@ -301,6 +301,11 @@ GEM
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2, < 3.0)
       websocket (~> 1.0)
+    sentry-rails (5.12.0)
+      railties (>= 5.0)
+      sentry-ruby (~> 5.12.0)
+    sentry-ruby (5.12.0)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
     sidekiq (7.2.0)
       concurrent-ruby (< 2)
       connection_pool (>= 2.3.0)
@@ -369,6 +374,8 @@ DEPENDENCIES
   redis
   rspec-rails (~> 6.0)
   selenium-webdriver (~> 4.14)
+  sentry-rails
+  sentry-ruby
   sidekiq (< 8)
   sidekiq-failures
   sprockets-rails

config/initializers/sentry.rb

@@ -0,0 +1,7 @@
+if ENV["SENTRY_DSN"].present?
+  Sentry.init do |config|
+    config.dsn = ENV["SENTRY_DSN"]
+    config.breadcrumbs_logger = [:active_support_logger, :http_logger]
+    config.traces_sample_rate = 0.6
+  end
+end