diff --git a/src/supermarket/app/controllers/api/v1/cookbooks_controller.rb b/src/supermarket/app/controllers/api/v1/cookbooks_controller.rb
index 9feba0f653..a5a4ee25f6 100644
--- a/src/supermarket/app/controllers/api/v1/cookbooks_controller.rb
+++ b/src/supermarket/app/controllers/api/v1/cookbooks_controller.rb
@@ -89,8 +89,9 @@ def contingent
   private
 
   def assign_cookbook
-    @cookbook = Cookbook.with_name(params[:cookbook])
-                        .includes(:cookbook_versions)
-                        .first!
+    @cookbook = Cookbook
+      .with_name(params[:cookbook])
+      .includes(:cookbook_versions)
+      .first!
   end
 end
diff --git a/src/supermarket/app/controllers/collaborators_controller.rb b/src/supermarket/app/controllers/collaborators_controller.rb
index a143642f3a..1a371cab20 100644
--- a/src/supermarket/app/controllers/collaborators_controller.rb
+++ b/src/supermarket/app/controllers/collaborators_controller.rb
@@ -12,9 +12,10 @@ class CollaboratorsController < ApplicationController
   # for a given resource.
   #
   def index
-    @collaborators = User.includes(:chef_account)
-                         .where.not(id: params[:ineligible_user_ids])
-                         .limit(20)
+    @collaborators = User
+      .includes(:chef_account)
+      .where.not(id: params[:ineligible_user_ids])
+      .limit(20)
 
     if params[:q]
       @collaborators = @collaborators.search(params[:q])
@@ -146,11 +147,12 @@ def perform_fieri(cookbook)
   # Params used when creating one or more +Collaborator+.
   #
   def collaborator_params
-    params.require(:collaborator)
-          .permit(:resourceable_type,
-                  :resourceable_id,
-                  :user_ids,
-                  :group_ids)
+    params
+      .require(:collaborator)
+      .permit(:resourceable_type,
+              :resourceable_id,
+              :user_ids,
+              :group_ids)
   end
 
   def group_collaborators(resource, group)
diff --git a/src/supermarket/app/controllers/cookbooks_controller.rb b/src/supermarket/app/controllers/cookbooks_controller.rb
index 4f8df6c084..f64d02496a 100644
--- a/src/supermarket/app/controllers/cookbooks_controller.rb
+++ b/src/supermarket/app/controllers/cookbooks_controller.rb
@@ -56,18 +56,22 @@ def index
   # Return the three most recently updated and created cookbooks.
   #
   def directory
-    @recently_updated_cookbooks = Cookbook.order_by_latest_upload_date
-                                          .limit(5)
-    @most_downloaded_cookbooks = Cookbook.includes(:cookbook_versions)
-                                         .ordered_by("most_downloaded")
-                                         .limit(5)
-    @most_followed_cookbooks = Cookbook.includes(:cookbook_versions)
-                                       .ordered_by("most_followed")
-                                       .limit(5)
-    @featured_cookbooks = Cookbook.includes(:cookbook_versions)
-                                  .featured
-                                  .order(:name)
-                                  .limit(5)
+    @recently_updated_cookbooks = Cookbook
+      .order_by_latest_upload_date
+      .limit(5)
+    @most_downloaded_cookbooks = Cookbook
+      .includes(:cookbook_versions)
+      .ordered_by("most_downloaded")
+      .limit(5)
+    @most_followed_cookbooks = Cookbook
+      .includes(:cookbook_versions)
+      .ordered_by("most_followed")
+      .limit(5)
+    @featured_cookbooks = Cookbook
+      .includes(:cookbook_versions)
+      .featured
+      .order(:name)
+      .limit(5)
 
     @cookbook_count = Cookbook.count
     @user_count = User.count
@@ -154,9 +158,10 @@ def follow
   # Makes the current user unfollow the specified cookbook.
   #
   def unfollow
-    cookbook_follower = @cookbook.cookbook_followers
-                                 .where(user: current_user)
-                                 .first!
+    cookbook_follower = @cookbook
+      .cookbook_followers
+      .where(user: current_user)
+      .first!
     cookbook_follower.destroy
     Supermarket::Metrics.increment "cookbook.unfollowed"
 
diff --git a/src/supermarket/app/lib/supermarket/health.rb b/src/supermarket/app/lib/supermarket/health.rb
index 998c86de3f..2a1f8e4d38 100644
--- a/src/supermarket/app/lib/supermarket/health.rb
+++ b/src/supermarket/app/lib/supermarket/health.rb
@@ -56,9 +56,10 @@ def check_features
     #
     def expired_ocid_tokens
       postgres_health_metric do
-        @supermarket[:expired_ocid_tokens] = Account.for("chef_oauth2")
-                                                    .where("oauth_expires < ?", Time.current)
-                                                    .count
+        @supermarket[:expired_ocid_tokens] = Account
+          .for("chef_oauth2")
+          .where("oauth_expires < ?", Time.current)
+          .count
       end
     end
 
diff --git a/src/supermarket/app/models/cookbook.rb b/src/supermarket/app/models/cookbook.rb
index bacec70b2e..d1fa3c4021 100644
--- a/src/supermarket/app/models/cookbook.rb
+++ b/src/supermarket/app/models/cookbook.rb
@@ -333,14 +333,15 @@ def followed_by?(user)
   # @return [Array<CookbookDependency>]
   #
   def contingents
-    CookbookDependency.includes(cookbook_version: :cookbook)
-                      .where(cookbook_id: id)
-                      .sort_by do |cd|
-      [
-        cd.cookbook_version.cookbook.name,
-        Chef::Version.new(cd.cookbook_version.version)
-      ]
-    end
+    CookbookDependency
+      .includes(cookbook_version: :cookbook)
+      .where(cookbook_id: id)
+      .sort_by do |cd|
+        [
+          cd.cookbook_version.cookbook.name,
+          Chef::Version.new(cd.cookbook_version.version)
+        ]
+      end
   end
 
   #
diff --git a/src/supermarket/app/models/user.rb b/src/supermarket/app/models/user.rb
index 97e952daeb..a67fda93d8 100644
--- a/src/supermarket/app/models/user.rb
+++ b/src/supermarket/app/models/user.rb
@@ -68,8 +68,9 @@ class User < ApplicationRecord
   # +SystemEmail+ in question
   #
   def email_preference_for(name)
-    email_preferences.includes(:system_email)
-                     .find_by(system_emails: { name: name })
+    email_preferences
+      .includes(:system_email)
+      .find_by(system_emails: { name: name })
   end
 
   #
diff --git a/src/supermarket/app/workers/cookbook_deletion_worker.rb b/src/supermarket/app/workers/cookbook_deletion_worker.rb
index 69aad1a75d..1be3a48311 100644
--- a/src/supermarket/app/workers/cookbook_deletion_worker.rb
+++ b/src/supermarket/app/workers/cookbook_deletion_worker.rb
@@ -11,22 +11,28 @@ class CookbookDeletionWorker
   def perform(cookbook)
     id = cookbook["id"]
 
-    subscribed_user_ids = SystemEmail.find_by!(name: "Cookbook deleted")
-                                     .subscribed_users
-                                     .pluck(:id)
+    subscribed_user_ids = SystemEmail
+      .find_by!(name: "Cookbook deleted")
+      .subscribed_users
+      .pluck(:id)
 
-    followers_or_collaborators = CookbookFollower.where(cookbook_id: id)
-                                                 .includes(:user) +
-                                 Collaborator.where(resourceable_id: id,
-                                                    resourceable_type: "Cookbook")
-                                             .includes(:user)
+    follows = CookbookFollower
+      .where(cookbook_id: id)
+      .includes(:user)
+    collaborations = Collaborator
+      .where(resourceable_id: id, resourceable_type: "Cookbook")
+      .includes(:user)
+    follows_and_collaborations = follows + collaborations
 
-    users = followers_or_collaborators.map(&:user).uniq.select { |u| subscribed_user_ids.include?(u.id) }
+    users = follows_and_collaborations
+      .map(&:user)
+      .uniq
+      .select { |u| subscribed_user_ids.include?(u.id) }
 
     users.each do |user|
       CookbookMailer.cookbook_deleted_email(cookbook["name"], user).deliver_now
     end
 
-    followers_or_collaborators.each(&:destroy)
+    follows_and_collaborations.each(&:destroy)
   end
 end
diff --git a/src/supermarket/app/workers/cookbook_deprecated_notifier.rb b/src/supermarket/app/workers/cookbook_deprecated_notifier.rb
index 2d0b9e7e77..6959467f58 100644
--- a/src/supermarket/app/workers/cookbook_deprecated_notifier.rb
+++ b/src/supermarket/app/workers/cookbook_deprecated_notifier.rb
@@ -26,9 +26,10 @@ def perform(cookbook_id)
   private
 
   def users_to_email(cookbook)
-    subscribed_user_ids = SystemEmail.find_by!(name: "Cookbook deprecated")
-                                     .subscribed_users
-                                     .pluck(:id)
+    subscribed_user_ids = SystemEmail
+      .find_by!(name: "Cookbook deprecated")
+      .subscribed_users
+      .pluck(:id)
 
     users_to_email = []
     users_to_email << cookbook.owner
diff --git a/src/supermarket/app/workers/cookbook_notify_worker.rb b/src/supermarket/app/workers/cookbook_notify_worker.rb
index b6582fa7c1..437196d5b6 100644
--- a/src/supermarket/app/workers/cookbook_notify_worker.rb
+++ b/src/supermarket/app/workers/cookbook_notify_worker.rb
@@ -12,22 +12,24 @@ class CookbookNotifyWorker
   def perform(cookbook_version_id)
     cookbook_version = CookbookVersion.find(cookbook_version_id)
 
-    active_user_ids = User.joins(:accounts)
-                          .where("provider = ? AND oauth_token != ?", "chef_oauth2", "imported")
-                          .pluck(:id)
+    active_user_ids = User
+      .joins(:accounts)
+      .where("provider = ? AND oauth_token != ?", "chef_oauth2", "imported")
+      .pluck(:id)
 
-    subscribed_user_ids = SystemEmail.find_by!(name: "New cookbook version")
-                                     .subscribed_users
-                                     .pluck(:id)
+    subscribed_user_ids = SystemEmail
+      .find_by!(name: "New cookbook version")
+      .subscribed_users
+      .pluck(:id)
 
     common_user_ids = active_user_ids & subscribed_user_ids
     return if common_user_ids.blank?
 
-    emailable_cookbook_followers = cookbook_version.
-                                   cookbook.
-                                   cookbook_followers.
-                                   joins(:user).
-                                   where(users: { id: common_user_ids })
+    emailable_cookbook_followers = cookbook_version
+      .cookbook
+      .cookbook_followers
+      .joins(:user)
+      .where(users: { id: common_user_ids })
 
     emailable_cookbook_followers.each do |cookbook_follower|
       CookbookMailer.follower_notification_email(cookbook_version, cookbook_follower.user).deliver_now
diff --git a/src/supermarket/config/initializers/paperclip.rb b/src/supermarket/config/initializers/paperclip.rb
index c37fb1db9c..0f27e5ca2e 100644
--- a/src/supermarket/config/initializers/paperclip.rb
+++ b/src/supermarket/config/initializers/paperclip.rb
@@ -5,11 +5,12 @@
 # Paperclip has a few remote-fetcher adapters for retrieving attachments from some other place.
 # We don't want to use them. Remove these adapters, if they are present in the adapter registry.
 remote_adapters = [Paperclip::UriAdapter, Paperclip::HttpUrlProxyAdapter, Paperclip::DataUriAdapter]
-Paperclip.io_adapters
-         .registered_handlers
-         .delete_if do |_block, handler_class|
-           remote_adapters.include?(handler_class)
-         end
+Paperclip
+  .io_adapters
+  .registered_handlers
+  .delete_if do |_block, handler_class|
+    remote_adapters.include?(handler_class)
+  end
 
 ":class/:attachment/:compatible_id/:style/:basename.:extension".tap do |path|
   if Supermarket::S3ConfigAudit.use_s3?(ENV)