Homework 4

.dev_to/compose.yml

@@ -9,6 +9,7 @@ x-app: &app
   environment: &env
     NODE_ENV: ${NODE_ENV:-development}
     RAILS_ENV: ${RAILS_ENV:-development}
+    RACK_ENV: ${RACK_ENV:-development}
   tmpfs:
     - /tmp
     - /app/tmp/pids

.gitignore

@@ -56,3 +56,6 @@ package-lock.json
 
 #sitemap
 /public/sitemap.xml.gz
+
+#newrelic
+newrelic-infra/newrelic-infra.yml

.ruby-version

@@ -1 +1 @@
-3.3.1
+3.4.1

Envfile

@@ -53,6 +53,9 @@ variable :ALGOLIASEARCH_API_KEY, :String, default: only_in_test
 variable :ALGOLIASEARCH_APPLICATION_ID, :String, default: only_in_test
 variable :ALGOLIASEARCH_SEARCH_ONLY_KEY, :String, default: only_in_test
 
+# NewRelic
+variable :NEW_RELIC_LICENSE_KEY, :String, default: "Optional"
+
 # AWS for images storages
 variable :AWS_ID, :String, default: "Optional"
 variable :AWS_SECRET, :String, default: "Optional"

Gemfile

@@ -13,6 +13,10 @@ group :production do
   gem "nakayoshi_fork"
 end
 
+gem 'newrelic_rpm'
+gem 'newrelic-infinite_tracing'
+gem 'rack-mini-profiler'
+
 gem "psych", "< 4"
 gem "skylight"
 
@@ -105,7 +109,7 @@ gem "validate_url", "~> 1.0"
 gem "webpacker", "~> 3.6"
 gem "webpush", "~> 0.3"
 
-group :development do
+group :development, :local_production do
   gem "better_errors", "~> 2.5"
   gem "binding_of_caller", "~> 0.8"
   gem "brakeman", "~> 4.4", require: false
@@ -119,7 +123,7 @@ group :development do
   gem "web-console", "~> 3.7"
 end
 
-group :development, :test do
+group :development, :test, :local_production do
   gem "capybara", "~> 3.13"
   gem "derailed", "~> 0.1"
   gem "erb_lint", "~> 0.0", require: false

Gemfile.lock

@@ -505,12 +505,22 @@ GEM
       google-apis-core (>= 0.11.0, < 2.a)
       google-apis-discovery_v1 (~> 0.5)
       thor (>= 0.20, < 2.a)
+    google-protobuf (3.25.6-aarch64-linux)
+    google-protobuf (3.25.6-x86_64-linux)
+    googleapis-common-protos-types (1.18.0)
+      google-protobuf (>= 3.18, < 5.a)
     googleauth (1.8.1)
       faraday (>= 0.17.3, < 3.a)
       jwt (>= 1.4, < 3.0)
       multi_json (~> 1.11)
       os (>= 0.9, < 2.0)
       signet (>= 0.16, < 2.a)
+    grpc (1.65.2-aarch64-linux)
+      google-protobuf (>= 3.25, < 5.0)
+      googleapis-common-protos-types (~> 1.0)
+    grpc (1.65.2-x86_64-linux)
+      google-protobuf (>= 3.25, < 5.0)
+      googleapis-common-protos-types (~> 1.0)
     guard (2.19.1)
       formatador (>= 0.2.4)
       listen (>= 2.7, < 4.0)
@@ -646,9 +656,16 @@ GEM
     net-smtp (0.5.1)
       net-protocol
     netrc (0.11.0)
+    newrelic-infinite_tracing (9.17.0)
+      google-protobuf (< 4.0)
+      grpc (~> 1.34)
+      newrelic_rpm (= 9.17.0)
+    newrelic_rpm (9.17.0)
     nio4r (2.7.4)
     nokogiri (1.15.7-aarch64-linux)
       racc (~> 1.4)
+    nokogiri (1.15.7-x86_64-linux)
+      racc (~> 1.4)
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -726,6 +743,8 @@ GEM
     rack (2.2.11)
     rack-host-redirect (1.3.0)
       rack
+    rack-mini-profiler (3.3.1)
+      rack (>= 1.2.0)
     rack-protection (2.2.4)
       rack
     rack-proxy (0.7.7)
@@ -1011,6 +1030,7 @@ GEM
 
 PLATFORMS
   aarch64-linux
+  x86_64-linux
 
 DEPENDENCIES
   actionpack-action_caching (~> 1.2)
@@ -1081,6 +1101,8 @@ DEPENDENCIES
   liquid (~> 4.0)
   memory_profiler (~> 0.9)
   nakayoshi_fork
+  newrelic-infinite_tracing
+  newrelic_rpm
   nokogiri (~> 1.10)
   octokit (~> 4.13)
   omniauth (~> 1.9)
@@ -1098,6 +1120,7 @@ DEPENDENCIES
   pusher (~> 1.3)
   pusher-push-notifications (~> 1.0)
   rack-host-redirect (~> 1.3)
+  rack-mini-profiler
   rack-timeout (~> 0.5)
   rails (~> 5.1.6)
   rails-assets-airbrake-js-client (~> 1.5)!

app/helpers/application_helper.rb

@@ -83,7 +83,7 @@ def icon_url(name)
   end
 
   def cloudinary(url, width = nil, _quality = 80, _format = "jpg")
-    return url if Rails.env.development? && (url.blank? || url.exclude?("http"))
+    return url if (Rails.env.development? || Rails.env.local_production?) && (url.blank? || url.exclude?("http"))
 
     service_path = "https://res.cloudinary.com/practicaldev/image/fetch"
 
@@ -101,7 +101,7 @@ def cloudinary(url, width = nil, _quality = 80, _format = "jpg")
   def cloud_cover_url(url)
     return if url.blank?
     return asset_path("triple-unicorn") if Rails.env.test?
-    return url if Rails.env.development?
+    return url if (Rails.env.development? || Rails.env.local_production?)
 
     width = 1000
     height = 420

app/observers/article_observer.rb

@@ -1,6 +1,6 @@
 class ArticleObserver < ApplicationObserver
   def after_save(article)
-    return if Rails.env.development?
+    return if (Rails.env.development? || Rails.env.local_production?)
 
     if article.published && article.published_at > 30.seconds.ago
       SlackBot.delay.ping "New Article Published: #{article.title}\nhttps://dev.to#{article.path}",

app/observers/comment_observer.rb

@@ -1,6 +1,6 @@
 class CommentObserver < ApplicationObserver
   def after_save(comment)
-    return if Rails.env.development?
+    return if (Rails.env.development? || Rails.env.local_production?)
 
     warned_user_ping(comment)
   rescue StandardError

app/observers/organization_observer.rb

@@ -1,6 +1,6 @@
 class OrganizationObserver < ActiveRecord::Observer
   def after_create(organization)
-    return if Rails.env.development?
+    return if (Rails.env.development? || Rails.env.local_production?)
 
     SlackBot.delay.ping(
       "New Org Created: #{organization.name}\nhttps://dev.to/#{organization.username}",

app/views/stories/_main_stories_feed.html.erb

@@ -55,7 +55,9 @@
     <% if !user_signed_in? && i == 4 %>
       <%= render "stories/sign_in_invitation" %>
     <% end %>
-    <%= render "articles/single_story", story: story %>
+    <% cache story do %>
+      <%= render "articles/single_story", story: story %>
+    <% end %>
   <% end %>
 <% end %>
 <% if @stories.size > 1 %>