diff --git a/.codeclimate.yml b/.codeclimate.yml
index 719b2807..a187069d 100644
--- a/.codeclimate.yml
+++ b/.codeclimate.yml
@@ -20,6 +20,8 @@ engines:
     enabled: true
   rubocop:
     enabled: true
+    exclude_fingerprints:
+      - 74f18007b920e8d81148d2f6a2756534
 ratings:
   paths:
   - 'Gemfile.lock'
diff --git a/app/controllers/notifications_controller.rb b/app/controllers/notifications_controller.rb
index f4fd1e8f..9d8c8eb2 100644
--- a/app/controllers/notifications_controller.rb
+++ b/app/controllers/notifications_controller.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 class NotificationsController < ApplicationController
   before_action :set_receipts, only: [:index, :show, :mark_read, :mark_unread]
   before_action :set_notification, only: [:show, :mark_read, :mark_unread]
@@ -66,5 +67,4 @@ class NotificationsController < ApplicationController
   def set_receipt
     @receipt = @receipts.find_by(notification_id: params[:id])
   end
-
 end
diff --git a/app/models/user.rb b/app/models/user.rb
index f3169d1d..dab54974 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -111,7 +111,7 @@ class User < ApplicationRecord
     self[:settings] = val
   end
 
-  def mailboxer_email(object)
+  def mailboxer_email(_object)
     nil # email
   end
 
diff --git a/config/initializers/mailboxer.rb b/config/initializers/mailboxer.rb
index a9b4a612..9e1efe66 100644
--- a/config/initializers/mailboxer.rb
+++ b/config/initializers/mailboxer.rb
@@ -1,21 +1,21 @@
+# frozen_string_literal: true
 Mailboxer.setup do |config|
-
-  #Configures if your application uses or not email sending for Notifications and Messages
+  # Configures if your application uses or not email sending for Notifications and Messages
   config.uses_emails = true
 
-  #Configures the default from for emails sent for Messages and Notifications
-  config.default_from = "no-reply@metamaps.cc"
+  # Configures the default from for emails sent for Messages and Notifications
+  config.default_from = 'no-reply@metamaps.cc'
 
-  #Configures the methods needed by mailboxer
+  # Configures the methods needed by mailboxer
   config.email_method = :mailboxer_email
   config.name_method = :name
 
-  #Configures if you use or not a search engine and which one you are using
-  #Supported engines: [:solr,:sphinx]
+  # Configures if you use or not a search engine and which one you are using
+  # Supported engines: [:solr,:sphinx]
   config.search_enabled = false
   config.search_engine = :solr
 
-  #Configures maximum length of the message subject and body
+  # Configures maximum length of the message subject and body
   config.subject_max_length = 255
-  config.body_max_length = 32000
+  config.body_max_length = 32_000
 end
diff --git a/config/routes.rb b/config/routes.rb
index b34908fd..dc7e3e8a 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -20,12 +20,25 @@ Metamaps::Application.routes.draw do
       post 'events/:event', action: :events
       get :contains
 
-      get :request_access, to: 'access#request_access'
-      get 'approve_access/:request_id', to: 'access#approve_access', as: :approve_access
-      get 'deny_access/:request_id', to: 'access#deny_access', as: :deny_access
-      post :access_request, to: 'access#access_request', default: { format: :json }
-      post 'approve_access/:request_id', to: 'access#approve_access_post', default: { format: :json }
-      post 'deny_access/:request_id', to: 'access#deny_access_post', default: { format: :json }
+      get :request_access,
+          to: 'access#request_access'
+      get 'approve_access/:request_id',
+          to: 'access#approve_access',
+          as: :approve_access
+      get 'deny_access/:request_id',
+          to: 'access#deny_access',
+          as: :deny_access
+
+      post :access_request,
+           to: 'access#access_request',
+           default: { format: :json }
+      post 'approve_access/:request_id',
+           to: 'access#approve_access_post',
+           default: { format: :json }
+      post 'deny_access/:request_id',
+           to: 'access#deny_access_post',
+           default: { format: :json }
+
       post :access, to: 'access#access', default: { format: :json }
 
       post :star, to: 'stars#create', default: { format: :json }
@@ -115,3 +128,4 @@ Metamaps::Application.routes.draw do
     get 'load_url_title'
   end
 end
+# rubocop:enable Rubocop/Metrics/BlockLength