Upgrade to rails 7.0

config/application.rb

@@ -9,7 +9,7 @@ Bundler.require(*Rails.groups)
 module Projekteuler
   class Application < Rails::Application
     # Initialize configuration defaults for originally generated Rails version.
-    config.load_defaults 6.1
+    config.load_defaults 7.0
 
     # Configuration for the application, engines, and railties goes here.
     #
@@ -27,7 +27,8 @@ module Projekteuler
 
     # Set Time.zone default to the specified zone and make Active Record auto-convert to this zone.
     # Run "rake -D time" for a list of tasks for finding time zone names. Default is UTC.
-    config.time_zone = 'Berlin'
+    config.time_zone = "Berlin"
+    # config.eager_load_paths << Rails.root.join("extras")
 
     # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
     config.i18n.load_path += Dir[Rails.root.join('config', 'locales', '**', '*.{rb,yml}').to_s]

config/boot.rb

@@ -1,4 +1,4 @@
-ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __dir__)
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../Gemfile", __dir__)
 
 require "bundler/setup" # Set up gems listed in the Gemfile.
 require "bootsnap/setup" # Speed up boot time by caching expensive operations.

config/environments/development.rb

@@ -14,15 +14,18 @@ Rails.application.configure do
   # Show full error reports.
   config.consider_all_requests_local = true
 
+  # Enable server timing
+  config.server_timing = true
+
   # Enable/disable caching. By default caching is disabled.
   # Run rails dev:cache to toggle caching.
-  if Rails.root.join('tmp', 'caching-dev.txt').exist?
+  if Rails.root.join("tmp/caching-dev.txt").exist?
     config.action_controller.perform_caching = true
     config.action_controller.enable_fragment_cache_logging = true
 
     config.cache_store = :memory_store
     config.public_file_server.headers = {
-      'Cache-Control' => "public, max-age=#{2.days.to_i}"
+      "Cache-Control" => "public, max-age=#{2.days.to_i}"
     }
   else
     config.action_controller.perform_caching = false
@@ -53,11 +56,6 @@ Rails.application.configure do
   # Highlight code that triggered database queries in logs.
   config.active_record.verbose_query_logs = true
 
-  # Debug mode disables concatenation and preprocessing of assets.
-  # This option may cause significant delays in view rendering with a large
-  # number of complex assets.
-  config.assets.debug = true
-
   # Suppress logger output for asset requests.
   config.assets.quiet = true
 
@@ -67,10 +65,6 @@ Rails.application.configure do
   # Annotate rendered view with file names.
   # config.action_view.annotate_rendered_view_with_filenames = true
 
-  # Use an evented file watcher to asynchronously detect changes in source code,
-  # routes, locales, etc. This feature depends on the listen gem.
-  config.file_watcher = ActiveSupport::EventedFileUpdateChecker
-
   # Uncomment if you wish to allow Action Cable access from any origin.
   # config.action_cable.disable_request_forgery_protection = true
 end

config/environments/production.rb

@@ -22,11 +22,8 @@ Rails.application.configure do
 
   # Disable serving static files from the `/public` folder by default since
   # Apache or NGINX already handles this.
-  config.public_file_server.enabled = ENV['RAILS_SERVE_STATIC_FILES'].present?
+  config.public_file_server.enabled = ENV["RAILS_SERVE_STATIC_FILES"].present?
 
-  # Compress JS using a preprocessor.
-  config.assets.js_compressor = Uglifier.new(harmony: true)
-  
   # Compress CSS using a preprocessor.
   # config.assets.css_compressor = :sass
 
@@ -34,19 +31,19 @@ Rails.application.configure do
   config.assets.compile = false
 
   # Enable serving of images, stylesheets, and JavaScripts from an asset server.
-  # config.asset_host = 'http://assets.example.com'
+  # config.asset_host = "http://assets.example.com"
 
   # Specifies the header that your server uses for sending files.
-  # config.action_dispatch.x_sendfile_header = 'X-Sendfile' # for Apache
-  # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for NGINX
+  # config.action_dispatch.x_sendfile_header = "X-Sendfile" # for Apache
+  # config.action_dispatch.x_sendfile_header = "X-Accel-Redirect" # for NGINX
 
   # Store uploaded files on the local file system (see config/storage.yml for options).
   config.active_storage.service = :local
 
   # Mount Action Cable outside main process or domain.
   # config.action_cable.mount_path = nil
-  # config.action_cable.url = 'wss://example.com/cable'
-  # config.action_cable.allowed_request_origins = [ 'http://example.com', /http:\/\/example.*/ ]
+  # config.action_cable.url = "wss://example.com/cable"
+  # config.action_cable.allowed_request_origins = [ "http://example.com", /http:\/\/example.*/ ]
 
   # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
   config.force_ssl = true
@@ -75,21 +72,15 @@ Rails.application.configure do
   # the I18n.default_locale when a translation cannot be found).
   config.i18n.fallbacks = true
 
-  # Send deprecation notices to registered listeners.
-  config.active_support.deprecation = :notify
-
-  # Log disallowed deprecations.
-  config.active_support.disallowed_deprecation = :log
-
-  # Tell Active Support which deprecation messages to disallow.
-  config.active_support.disallowed_deprecation_warnings = []
+  # Log deprecations.
+  config.active_support.report_deprecations = true
 
   # Use default logging formatter so that PID and timestamp are not suppressed.
   config.log_formatter = ::Logger::Formatter.new
 
   # Use a different logger for distributed setups.
   # require "syslog/logger"
-  # config.logger = ActiveSupport::TaggedLogging.new(Syslog::Logger.new 'app-name')
+  # config.logger = ActiveSupport::TaggedLogging.new(Syslog::Logger.new "app-name")
 
   if ENV["RAILS_LOG_TO_STDOUT"].present?
     logger           = ActiveSupport::Logger.new(STDOUT)
@@ -99,25 +90,4 @@ Rails.application.configure do
 
   # Do not dump schema after migrations.
   config.active_record.dump_schema_after_migration = false
-
-  # Inserts middleware to perform automatic connection switching.
-  # The `database_selector` hash is used to pass options to the DatabaseSelector
-  # middleware. The `delay` is used to determine how long to wait after a write
-  # to send a subsequent read to the primary.
-  #
-  # The `database_resolver` class is used by the middleware to determine which
-  # database is appropriate to use based on the time delay.
-  #
-  # The `database_resolver_context` class is used by the middleware to set
-  # timestamps for the last write to the primary. The resolver uses the context
-  # class timestamps to determine how long to wait before reading from the
-  # replica.
-  #
-  # By default Rails will store a last write timestamp in the session. The
-  # DatabaseSelector middleware is designed as such you can define your own
-  # strategy for connection switching and pass that into the middleware through
-  # these configuration options.
-  # config.active_record.database_selector = { delay: 2.seconds }
-  # config.active_record.database_resolver = ActiveRecord::Middleware::DatabaseSelector::Resolver
-  # config.active_record.database_resolver_context = ActiveRecord::Middleware::DatabaseSelector::Resolver::Session
 end

config/environments/test.rb

@@ -1,3 +1,5 @@
+require "active_support/core_ext/integer/time"
+
 # The test environment is used exclusively to run your application's
 # test suite. You never need to work with it otherwise. Remember that
 # your test database is "scratch space" for the test suite and is wiped
@@ -6,17 +8,18 @@
 Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
 
+  # Turn false under Spring and add config.action_view.cache_template_loading = true.
   config.cache_classes = true
 
-  # Do not eager load code on boot. This avoids loading your whole application
-  # just for the purpose of running a single test. If you are using a tool that
-  # preloads Rails for running tests, you may have to set it to true.
-  config.eager_load = false
+  # Eager loading loads your whole application. When running a single test locally,
+  # this probably isn't necessary. It's a good idea to do in a continuous integration
+  # system, or in some way before deploying your code.
+  config.eager_load = ENV["CI"].present?
 
   # Configure public file server for tests with Cache-Control for performance.
   config.public_file_server.enabled = true
   config.public_file_server.headers = {
-    'Cache-Control' => "public, max-age=#{1.hour.to_i}"
+    "Cache-Control" => "public, max-age=#{1.hour.to_i}"
   }
 
   # Show full error reports and disable caching.

config/initializers/assets.rb

@@ -1,12 +1,10 @@
 # Be sure to restart your server when you modify this file.
 
 # Version of your assets, change this if you want to expire all your assets.
-Rails.application.config.assets.version = '1.0'
+Rails.application.config.assets.version = "1.0"
 
 # Add additional assets to the asset load path.
 # Rails.application.config.assets.paths << Emoji.images_path
-# Add Yarn node_modules folder to the asset load path.
-Rails.application.config.assets.paths << Rails.root.join('node_modules')
 
 # Precompile additional assets.
 # application.js, application.css, and all non-JS/CSS in the app/assets

config/initializers/content_security_policy.rb

@@ -4,26 +4,24 @@
 # For further information see the following documentation
 # https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy
 
-Rails.application.config.content_security_policy do |policy|
-  policy.default_src :none
-  policy.font_src    :self, 'https://cdnjs.cloudflare.com'
-  policy.img_src     :self, 'https://cdnjs.cloudflare.com', 'https://projecteuler.net'
-  policy.object_src  :none
-  policy.script_src  :self, 'https://cdnjs.cloudflare.com'
-  policy.style_src   :self, :unsafe_inline
-  policy.connect_src :self
+Rails.application.configure do
+  config.content_security_policy do |policy|
+    policy.default_src :none
+    policy.font_src    :self, "https://cdnjs.cloudflare.com"
+    policy.img_src     :self, "https://cdnjs.cloudflare.com", "https://projecteuler.net"
+    policy.object_src  :none
+    policy.script_src  :self, "https://cdnjs.cloudflare.com"
+    policy.style_src   :self, :unsafe_inline
+    policy.connect_src :self
+    # Specify URI for violation reports
+    # policy.report_uri "/csp-violation-report-endpoint"
+  end
 
-  # Specify URI for violation reports
-  # policy.report_uri "/csp-violation-report-endpoint"
+  # Generate session nonces for permitted importmap and inline scripts
+  config.content_security_policy_nonce_generator = ->(request) { request.session.id.to_s }
+  config.content_security_policy_nonce_directives = %w(script-src)
+
+  # Report CSP violations to a specified URI. See:
+  # https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy-Report-Only
+  # config.content_security_policy_report_only = true
 end
-
-# If you are using UJS then enable automatic nonce generation
-# Rails.application.config.content_security_policy_nonce_generator = -> request { SecureRandom.base64(16) }
-
-# Set the nonce only to specific directives
-# Rails.application.config.content_security_policy_nonce_directives = %w(script-src)
-
-# Report CSP violations to a specified URI
-# For further information see the following documentation:
-# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy-Report-Only
-# Rails.application.config.content_security_policy_report_only = true

config/initializers/inflections.rb

@@ -4,13 +4,13 @@
 # are locale specific, and you may define rules for as many different
 # locales as you wish. All of these examples are active by default:
 # ActiveSupport::Inflector.inflections(:en) do |inflect|
-#   inflect.plural /^(ox)$/i, '\1en'
-#   inflect.singular /^(ox)en/i, '\1'
-#   inflect.irregular 'person', 'people'
+#   inflect.plural /^(ox)$/i, "\\1en"
+#   inflect.singular /^(ox)en/i, "\\1"
+#   inflect.irregular "person", "people"
 #   inflect.uncountable %w( fish sheep )
 # end
 
 # These inflection rules are supported but not enabled by default:
 # ActiveSupport::Inflector.inflections(:en) do |inflect|
-#   inflect.acronym 'RESTful'
+#   inflect.acronym "RESTful"
 # end