Merge pull request #3546 from alphagov/rails-8-upgrade

Rails 8 upgrade

Gemfile

@@ -2,7 +2,7 @@ source "https://rubygems.org"
 
 ruby "~> 3.3.6"
 
-gem "rails", "7.2.2.1"
+gem "rails", "8.0.1"
 
 gem "actionpack-page_caching"
 gem "bootsnap", require: false

Gemfile.lock

@@ -1,68 +1,67 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (7.2.2.1)
-      actionpack (= 7.2.2.1)
-      activesupport (= 7.2.2.1)
+    actioncable (8.0.1)
+      actionpack (= 8.0.1)
+      activesupport (= 8.0.1)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
       zeitwerk (~> 2.6)
-    actionmailbox (7.2.2.1)
-      actionpack (= 7.2.2.1)
-      activejob (= 7.2.2.1)
-      activerecord (= 7.2.2.1)
-      activestorage (= 7.2.2.1)
-      activesupport (= 7.2.2.1)
+    actionmailbox (8.0.1)
+      actionpack (= 8.0.1)
+      activejob (= 8.0.1)
+      activerecord (= 8.0.1)
+      activestorage (= 8.0.1)
+      activesupport (= 8.0.1)
       mail (>= 2.8.0)
-    actionmailer (7.2.2.1)
-      actionpack (= 7.2.2.1)
-      actionview (= 7.2.2.1)
-      activejob (= 7.2.2.1)
-      activesupport (= 7.2.2.1)
+    actionmailer (8.0.1)
+      actionpack (= 8.0.1)
+      actionview (= 8.0.1)
+      activejob (= 8.0.1)
+      activesupport (= 8.0.1)
       mail (>= 2.8.0)
       rails-dom-testing (~> 2.2)
-    actionpack (7.2.2.1)
-      actionview (= 7.2.2.1)
-      activesupport (= 7.2.2.1)
+    actionpack (8.0.1)
+      actionview (= 8.0.1)
+      activesupport (= 8.0.1)
       nokogiri (>= 1.8.5)
-      racc
-      rack (>= 2.2.4, < 3.2)
+      rack (>= 2.2.4)
       rack-session (>= 1.0.1)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
       useragent (~> 0.16)
     actionpack-page_caching (1.2.4)
       actionpack (>= 4.0.0)
-    actiontext (7.2.2.1)
-      actionpack (= 7.2.2.1)
-      activerecord (= 7.2.2.1)
-      activestorage (= 7.2.2.1)
-      activesupport (= 7.2.2.1)
+    actiontext (8.0.1)
+      actionpack (= 8.0.1)
+      activerecord (= 8.0.1)
+      activestorage (= 8.0.1)
+      activesupport (= 8.0.1)
       globalid (>= 0.6.0)
       nokogiri (>= 1.8.5)
-    actionview (7.2.2.1)
-      activesupport (= 7.2.2.1)
+    actionview (8.0.1)
+      activesupport (= 8.0.1)
       builder (~> 3.1)
       erubi (~> 1.11)
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
-    activejob (7.2.2.1)
-      activesupport (= 7.2.2.1)
+    activejob (8.0.1)
+      activesupport (= 8.0.1)
       globalid (>= 0.3.6)
-    activemodel (7.2.2.1)
-      activesupport (= 7.2.2.1)
-    activerecord (7.2.2.1)
-      activemodel (= 7.2.2.1)
-      activesupport (= 7.2.2.1)
+    activemodel (8.0.1)
+      activesupport (= 8.0.1)
+    activerecord (8.0.1)
+      activemodel (= 8.0.1)
+      activesupport (= 8.0.1)
       timeout (>= 0.4.0)
-    activestorage (7.2.2.1)
-      actionpack (= 7.2.2.1)
-      activejob (= 7.2.2.1)
-      activerecord (= 7.2.2.1)
-      activesupport (= 7.2.2.1)
+    activestorage (8.0.1)
+      actionpack (= 8.0.1)
+      activejob (= 8.0.1)
+      activerecord (= 8.0.1)
+      activesupport (= 8.0.1)
       marcel (~> 1.0)
-    activesupport (7.2.2.1)
+    activesupport (8.0.1)
       base64
       benchmark (>= 0.3)
       bigdecimal
@@ -74,6 +73,7 @@ GEM
       minitest (>= 5.1)
       securerandom (>= 0.3)
       tzinfo (~> 2.0, >= 2.0.5)
+      uri (>= 0.13.1)
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
     ast (2.4.2)
@@ -212,7 +212,7 @@ GEM
     mocha (2.7.1)
       ruby2_keywords (>= 0.0.5)
     msgpack (1.7.2)
-    net-imap (0.5.2)
+    net-imap (0.5.4)
       date
       net-protocol
     net-pop (0.1.2)
@@ -457,30 +457,30 @@ GEM
       rack (>= 1.0, < 4.0)
     rackup (2.2.1)
       rack (>= 3)
-    rails (7.2.2.1)
-      actioncable (= 7.2.2.1)
-      actionmailbox (= 7.2.2.1)
-      actionmailer (= 7.2.2.1)
-      actionpack (= 7.2.2.1)
-      actiontext (= 7.2.2.1)
-      actionview (= 7.2.2.1)
-      activejob (= 7.2.2.1)
-      activemodel (= 7.2.2.1)
-      activerecord (= 7.2.2.1)
-      activestorage (= 7.2.2.1)
-      activesupport (= 7.2.2.1)
+    rails (8.0.1)
+      actioncable (= 8.0.1)
+      actionmailbox (= 8.0.1)
+      actionmailer (= 8.0.1)
+      actionpack (= 8.0.1)
+      actiontext (= 8.0.1)
+      actionview (= 8.0.1)
+      activejob (= 8.0.1)
+      activemodel (= 8.0.1)
+      activerecord (= 8.0.1)
+      activestorage (= 8.0.1)
+      activesupport (= 8.0.1)
       bundler (>= 1.15.0)
-      railties (= 7.2.2.1)
+      railties (= 8.0.1)
     rails-dom-testing (2.2.0)
       activesupport (>= 5.0.0)
       minitest
       nokogiri (>= 1.6)
     rails-html-sanitizer (1.6.2)
       loofah (~> 2.21)
       nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
-    railties (7.2.2.1)
-      actionpack (= 7.2.2.1)
-      activesupport (= 7.2.2.1)
+    railties (8.0.1)
+      actionpack (= 8.0.1)
+      activesupport (= 8.0.1)
       irb (~> 1.13)
       rackup (>= 1.0.0)
       rake (>= 12.2)
@@ -583,6 +583,7 @@ GEM
     unicode-display_width (3.1.3)
       unicode-emoji (~> 4.0, >= 4.0.4)
     unicode-emoji (4.0.4)
+    uri (1.0.2)
     useragent (0.16.11)
     webmock (3.24.0)
       addressable (>= 2.8.0)
@@ -620,7 +621,7 @@ DEPENDENCIES
   plek
   pry
   rack-utf8_sanitizer
-  rails (= 7.2.2.1)
+  rails (= 8.0.1)
   redis
   rubocop-govuk
   shoulda-context

app/views/root/_gem_base.html.erb

@@ -46,7 +46,6 @@
   global_bar: global_bar,
   homepage: homepage_blue_navbar,
   logo_link: logo_link,
-  product_name: product_name,
   navigation_items: navigation_items,
   omit_feedback_form: omit_feedback_form,
   omit_footer_navigation: omit_footer_navigation,

config/application.rb

@@ -23,7 +23,7 @@
 module Static
   class Application < Rails::Application
     # Initialize configuration defaults for originally generated Rails version.
-    config.load_defaults 7.2
+    config.load_defaults 8.0
 
     # Please, add to the `ignore` list any other `lib` subdirectories that do
     # not contain `.rb` files, or that should not be reloaded or eager loaded.

config/environments/development.rb

@@ -3,9 +3,7 @@
 Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
 
-  # In the development environment your application's code is reloaded any time
-  # it changes. This slows down response time but is perfect for development
-  # since you don't have to restart the web server when you make code changes.
+  # Make code changes take effect immediately without server restart.
   config.enable_reloading = true
 
   # Do not eager load code on boot.
@@ -17,8 +15,8 @@
   # Enable server timing.
   config.server_timing = true
 
-  # Enable/disable caching. By default caching is disabled.
-  # Run rails dev:cache to toggle caching.
+  # Enable/disable Action Controller caching. By default Action Controller caching is disabled.
+  # Run rails dev:cache to toggle Action Controller caching.
   if Rails.root.join("tmp/caching-dev.txt").exist?
     config.action_controller.perform_caching = true
     config.action_controller.enable_fragment_cache_logging = true
@@ -43,20 +41,17 @@
   config.active_support.disallowed_deprecation_warnings = []
 
   # Raises error for missing translations.
-  # config.i18n.raise_on_missing_translations = true
+  config.i18n.raise_on_missing_translations = true
 
   # Annotate rendered view with file names.
   config.action_view.annotate_rendered_view_with_filenames = true
 
   # Allow requests for all domains e.g. <app>.dev.gov.uk
   config.hosts.clear
 
-  # Uncomment if you wish to allow Action Cable access from any origin.
-  # config.action_cable.disable_request_forgery_protection = true
-
-  # Raise error when a before_action's only/except options reference missing actions
+  # Raise error when a before_action's only/except options reference missing actions.
   config.action_controller.raise_on_missing_callback_actions = true
 
   # Apply autocorrection by RuboCop to files generated by `bin/rails generate`.
-  # config.generators.apply_rubocop_autocorrect_after_generate!
+  config.generators.apply_rubocop_autocorrect_after_generate!
 end

config/environments/production.rb

@@ -6,21 +6,21 @@
   # Code is not reloaded between requests.
   config.enable_reloading = false
 
-  # Eager load code on boot. This eager loads most of Rails and
-  # your application in memory, allowing both threaded web servers
-  # and those relying on copy on write to perform better.
-  # Rake tasks automatically ignore this option for performance.
+  # Eager load code on boot for better performance and memory savings (ignored by Rake tasks).
   config.eager_load = true
 
-  # Full error reports are disabled and caching is turned on.
+  # Full error reports are disabled.
   config.consider_all_requests_local = false
+
+  # Turn on fragment caching in view templates.
   config.action_controller.perform_caching = true
 
   # Ensures that a master key has been made available in ENV["RAILS_MASTER_KEY"], config/master.key, or an environment
   # key such as config/credentials/production.key. This key is used to decrypt credentials (and other encrypted files).
   # config.require_master_key = true
 
-  # Disable serving static files from `public/`, relying on NGINX/Apache to do so instead.
+  # 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?
 
   # Compress JS using a preprocessor.
@@ -35,12 +35,7 @@
   # Enable serving of images, stylesheets, and JavaScripts from an asset server.
   # 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
-
   # Assume all access to the app is happening through a SSL-terminating reverse proxy.
-  # Can be used together with config.force_ssl for Strict-Transport-Security and secure cookies.
   # config.assume_ssl = true
 
   # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
@@ -49,45 +44,40 @@
   # Skip http-to-https redirect for the default health check endpoint.
   # config.ssl_options = { redirect: { exclude: ->(request) { request.path == "/up" } } }
 
-  # Include generic and useful information about system operation, but avoid logging too much
-  # information to avoid inadvertent exposure of personally identifiable information (PII).
-  config.log_level = ENV.fetch("RAILS_LOG_LEVEL", :info)
+  if ENV["RAILS_LOG_TO_STDOUT"].present?
+    logger           = ActiveSupport::Logger.new($stdout)
+    logger.formatter = config.log_formatter
+    config.logger    = ActiveSupport::TaggedLogging.new(logger)
+  end
 
   # Prepend all log lines with the following tags.
   config.log_tags = [:request_id]
 
+  # Use default logging formatter so that PID and timestamp are not suppressed.
+  config.log_formatter = ::Logger::Formatter.new
+
   # "info" includes generic and useful information about system operation, but avoids logging too much
   # information to avoid inadvertent exposure of personally identifiable information (PII). If you
   # want to log everything, set the level to "debug".
   config.log_level = ENV.fetch("RAILS_LOG_LEVEL", "info")
 
-  # Use a different cache store in production.
+  # Prevent health checks from clogging up the logs.
+  config.silence_healthcheck_path = "/healthcheck/live"
+
+  # Don't log any deprecations.
+  config.active_support.report_deprecations = false
+
+  # Replace the default in-process memory cache store with a durable alternative.
   # config.cache_store = :mem_cache_store
 
-  # Use a real queuing backend for Active Job (and separate queues per environment).
+  # Replace the default in-process and non-durable queuing backend for Active Job.
   # config.active_job.queue_adapter     = :resque
   # config.active_job.queue_name_prefix = "static_production"
 
   # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
   # the I18n.default_locale when a translation cannot be found).
   config.i18n.fallbacks = true
 
-  # Don't log any deprecations.
-  config.active_support.report_deprecations = false
-
-  # 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")
-
-  if ENV["RAILS_LOG_TO_STDOUT"].present?
-    logger           = ActiveSupport::Logger.new($stdout)
-    logger.formatter = config.log_formatter
-    config.logger    = ActiveSupport::TaggedLogging.new(logger)
-  end
-
   # Set PLEK_SERVICE_STATIC_URI for heroku - for review
   # apps we have the hostname set at the time of the app being built so can't
   # be set up in the app.json
@@ -100,6 +90,7 @@
   #   "example.com",     # Allow requests from example.com
   #   /.*\.example\.com/ # Allow requests from subdomains like `www.example.com`
   # ]
+  #
   # Skip DNS rebinding protection for the default health check endpoint.
   # config.host_authorization = { exclude: ->(request) { request.path == "/up" } }
 end