feat: sentryを導入

sentryはproductionでのみ有効化することを想定しています
環境変数SENTRY_DSNを設定してください

Gemfile

@@ -36,6 +36,8 @@ gem 'jp_local_gov'
 gem 'kaminari'
 gem 'meta-tags'
 gem 'rails-i18n'
+gem 'sentry-ruby'
+gem 'sentry-rails'
 
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console

Gemfile.lock

@@ -264,6 +264,14 @@ GEM
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2)
     semantic_range (3.0.0)
+    sentry-rails (5.2.1)
+      railties (>= 5.0)
+      sentry-ruby-core (~> 5.2.1)
+    sentry-ruby (5.2.1)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      sentry-ruby-core (= 5.2.1)
+    sentry-ruby-core (5.2.1)
+      concurrent-ruby
     slim (4.1.0)
       temple (>= 0.7.6, < 0.9)
       tilt (>= 2.0.6, < 2.1)
@@ -343,6 +351,8 @@ DEPENDENCIES
   rubocop-rspec
   sass-rails (>= 6)
   selenium-webdriver
+  sentry-rails
+  sentry-ruby
   slim-rails
   slim_lint
   spring

config/initializers/sentry.rb

@@ -0,0 +1,13 @@
+Sentry.init do |config|
+  config.dsn = ENV["SENTRY_DSN"]
+  config.breadcrumbs_logger = [:active_support_logger, :http_logger]
+
+  # Set tracesSampleRate to 1.0 to capture 100%
+  # of transactions for performance monitoring.
+  # We recommend adjusting this value in production
+  config.traces_sample_rate = 1.0
+  # or
+  config.traces_sampler = lambda do |context|
+    true
+  end
+end