Splited file

routes#devise.rb

Rails.application.routes.draw do
  ActiveAdmin.routes(self)

  devise_for :users, skip: [:sessions, :registrations, :passwords, :confirmations]
  devise_scope :user do
    # Sessions:
    post 'auth/sign_in', to: 'auth/sessions#create', as: :user_session, defaults: { format: 'js' }
    get  'auth/sign_out', to: 'auth/sessions#destroy', as: :destroy_user_session, defaults: { format: 'html' }
    # Registrations:
    post 'auth', to: 'auth/registrations#create', as: :user_registration, defaults: { format: 'js' }
    # Passwords
    post 'auth/password', to: 'auth/passwords#create', defaults: { format: 'js' }
    get  'auth/password', to: 'auth/passwords#edit', as: :edit_user_password, defaults: { format: 'html' }
    put  'auth/password', to: 'auth/passwords#update', as: :user_password, defaults: { format: 'html' }
    # Confirmations
    get  'auth/confirmation', to: 'auth/confirmations#show', as: :user_confirmation, defaults: { format: 'html' }
    post 'auth/confirmation', to: 'auth/confirmations#create', defaults: { format: 'html' }
  end
end

routes#routes.rb

Rails.application.routes.draw do
  root to: 'dashboards#show'
  # API
  # Namespaces..
  # Etc...
end

routes#sidekiq.rb

require 'sidekiq/web'

Sidekiq::Web.use Rack::Auth::Basic do |username, password|
  # NOTE: https://github.com/mperham/sidekiq/wiki/Monitoring
  ActiveSupport::SecurityUtils.secure_compare(::Digest::SHA256.hexdigest(username), ::Digest::SHA256.hexdigest(ENV.fetch('ADMIN_NAME'))) &
    ActiveSupport::SecurityUtils.secure_compare(::Digest::SHA256.hexdigest(password), ::Digest::SHA256.hexdigest(ENV.fetch('ADMIN_PASSWORD')))
end if Rails.env.production?

Rails.application.routes.draw do
  mount Sidekiq::Web, at: '/sidekiq'
end