Adopt some new APIs from Rails 7.1

Dockerfile

@@ -30,7 +30,7 @@ RUN bundle config --local without 'development test' \
 
 COPY . /app
 
-RUN bundle exec rails assets:precompile SECRET_KEY_BASE=fake_secure_for_compile \
+RUN SECRET_KEY_BASE_DUMMY=1 bundle exec rails assets:precompile \
   && yarn cache clean \
   && rm -rf node_modules tmp/cache/* /tmp/* yarn.lock log/production.log app/javascript/* app/assets/*
 

app/models/user.rb

@@ -11,10 +11,11 @@ class User < ApplicationRecord
   has_setting :theme, default: DEFAULT_THEME
   serialize :recently_played_album_ids, type: Array, coder: YAML
 
-  before_create :downcase_email
   before_update :remove_deprecated_password_salt, if: :will_save_change_to_password_digest?
   after_create :create_buildin_playlists
 
+  normalizes :email, with: ->(email) { email.strip.downcase }
+
   validates :email, presence: true, format: {with: URI::MailTo::EMAIL_REGEXP}, uniqueness: {case_sensitive: false}
   validates :password, allow_nil: true, length: {minimum: 6}
   validates :theme, inclusion: {in: AVAILABLE_THEME_OPTIONS}, allow_nil: true
@@ -66,8 +67,4 @@ def create_buildin_playlists
     create_current_playlist
     create_favorite_playlist
   end
-
-  def downcase_email
-    self.email = email.downcase
-  end
 end

config/puma.rb

@@ -23,12 +23,12 @@
 # Specifies the `pidfile` that Puma will use.
 pidfile ENV.fetch("PIDFILE") { "tmp/pids/server.pid" }
 
-# Specifies the number of `workers` to boot in clustered mode.
-# Workers are forked web server processes. If using threads and workers together
-# the concurrency of the application would be max `threads` * `workers`.
-# Workers do not work on JRuby or Windows (both of which do not support
-# processes).
-# workers ENV.fetch("WEB_CONCURRENCY") { 2 }
+# Specifies that the worker count should equal the number of processors in production.
+if ENV["RAILS_ENV"] == "production"
+  require "concurrent-ruby"
+  worker_count = Integer(ENV.fetch("WEB_CONCURRENCY") { Concurrent.physical_processor_count })
+  workers worker_count if worker_count > 1
+end
 
 # Use the `preload_app!` method when specifying a `workers` number.
 # This directive tells Puma to first boot the application and load code
@@ -41,8 +41,6 @@
 plugin :tmp_restart
 
 if BlackCandy::Config.embedded_sidekiq?
-  workers 2
-
   # Preloading the application is necessary to ensure
   # the configuration in your initializer runs before
   # the boot callback below.

config/routes.rb

@@ -68,9 +68,7 @@
   get "/422", to: "errors#unprocessable_entity", as: :unprocessable_entity
   get "/500", to: "errors#internal_server_error", as: :internal_server_error
 
-  # Rails 7.1 will support health check by default,
-  # So we will replace this route with the default one in the future.
-  get "/up", to: "health#show"
+  get "up", to: "rails/health#show", as: :rails_health_check
 
   namespace :api do
     namespace :v1 do

docker/production_start.sh

@@ -1,5 +1,4 @@
 #!/bin/sh
 
-rails docker:db_prepare
-
-bundle exec puma -C config/puma.rb
+rails db:prepare
+bundle exec puma -C config/puma.rb