5.1 to 5.2.diff

diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/.gitignore rails 5.2/.gitignore
--- rails 5.1/.gitignore	2023-08-21 12:38:13
+++ rails 5.2/.gitignore	2023-08-21 12:38:15
@@ -17,7 +17,15 @@
 !/log/.keep
 !/tmp/.keep
 
+# Ignore uploaded files in development
+/storage/*
+!/storage/.keep
+
 /node_modules
 /yarn-error.log
 
+/public/assets
 .byebug_history
+
+# Ignore master key for decrypting credentials and more.
+/config/master.key
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/.ruby-version rails 5.2/.ruby-version
--- rails 5.1/.ruby-version	1969-12-31 16:00:00
+++ rails 5.2/.ruby-version	2023-08-21 12:38:15
@@ -0,0 +1 @@
+2.7.8
\ No newline at end of file
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/Gemfile rails 5.2/Gemfile
--- rails 5.1/Gemfile	2023-08-21 12:38:13
+++ rails 5.2/Gemfile	2023-08-21 12:38:15
@@ -1,23 +1,20 @@
 source 'https://rubygems.org'
+git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
-git_source(:github) do |repo_name|
-  repo_name = "#{repo_name}/#{repo_name}" unless repo_name.include?("/")
-  "https://github.com/#{repo_name}.git"
-end
+ruby '2.7.8'
 
-
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '~> 5.1.7'
+gem 'rails', '~> 5.2.8', '>= 5.2.8.1'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3'
 # Use Puma as the app server
-gem 'puma', '~> 3.7'
+gem 'puma', '~> 3.11'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 5.0'
 # Use Uglifier as compressor for JavaScript assets
 gem 'uglifier', '>= 1.3.0'
 # See https://github.com/rails/execjs#readme for more supported runtimes
-# gem 'therubyracer', platforms: :ruby
+# gem 'mini_racer', platforms: :ruby
 
 # Use CoffeeScript for .coffee assets and views
 gem 'coffee-rails', '~> 4.2'
@@ -30,24 +27,35 @@
 # Use ActiveModel has_secure_password
 # gem 'bcrypt', '~> 3.1.7'
 
+# Use ActiveStorage variant
+# gem 'mini_magick', '~> 4.8'
+
 # Use Capistrano for deployment
 # gem 'capistrano-rails', group: :development
 
+# Reduces boot times through caching; required in config/boot.rb
+gem 'bootsnap', '>= 1.1.0', require: false
+
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
-  # Adds support for Capybara system testing and selenium driver
-  gem 'capybara', '>= 2.15'
-  gem 'selenium-webdriver'
 end
 
 group :development do
-  # Access an IRB console on exception pages or by using <%= console %> anywhere in the code.
+  # Access an interactive console on exception pages or by calling 'console' anywhere in the code.
   gem 'web-console', '>= 3.3.0'
   gem 'listen', '>= 3.0.5', '< 3.2'
   # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
   gem 'spring'
   gem 'spring-watcher-listen', '~> 2.0.0'
+end
+
+group :test do
+  # Adds support for Capybara system testing and selenium driver
+  gem 'capybara', '>= 2.15'
+  gem 'selenium-webdriver'
+  # Easy installation and use of chromedriver to run system tests with Chrome
+  gem 'chromedriver-helper'
 end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/Gemfile.lock rails 5.2/Gemfile.lock
--- rails 5.1/Gemfile.lock	2023-08-21 12:38:15
+++ rails 5.2/Gemfile.lock	2023-08-21 12:38:17
@@ -1,47 +1,55 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (5.1.7)
-      actionpack (= 5.1.7)
+    actioncable (5.2.8.1)
+      actionpack (= 5.2.8.1)
       nio4r (~> 2.0)
-      websocket-driver (~> 0.6.1)
-    actionmailer (5.1.7)
-      actionpack (= 5.1.7)
-      actionview (= 5.1.7)
-      activejob (= 5.1.7)
+      websocket-driver (>= 0.6.1)
+    actionmailer (5.2.8.1)
+      actionpack (= 5.2.8.1)
+      actionview (= 5.2.8.1)
+      activejob (= 5.2.8.1)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.1.7)
-      actionview (= 5.1.7)
-      activesupport (= 5.1.7)
-      rack (~> 2.0)
+    actionpack (5.2.8.1)
+      actionview (= 5.2.8.1)
+      activesupport (= 5.2.8.1)
+      rack (~> 2.0, >= 2.0.8)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.1.7)
-      activesupport (= 5.1.7)
+    actionview (5.2.8.1)
+      activesupport (= 5.2.8.1)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.1.7)
-      activesupport (= 5.1.7)
+    activejob (5.2.8.1)
+      activesupport (= 5.2.8.1)
       globalid (>= 0.3.6)
-    activemodel (5.1.7)
-      activesupport (= 5.1.7)
-    activerecord (5.1.7)
-      activemodel (= 5.1.7)
-      activesupport (= 5.1.7)
-      arel (~> 8.0)
-    activesupport (5.1.7)
+    activemodel (5.2.8.1)
+      activesupport (= 5.2.8.1)
+    activerecord (5.2.8.1)
+      activemodel (= 5.2.8.1)
+      activesupport (= 5.2.8.1)
+      arel (>= 9.0)
+    activestorage (5.2.8.1)
+      actionpack (= 5.2.8.1)
+      activerecord (= 5.2.8.1)
+      marcel (~> 1.0.0)
+    activesupport (5.2.8.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     addressable (2.8.5)
       public_suffix (>= 2.0.2, < 6.0)
-    arel (8.0.0)
+    archive-zip (0.12.0)
+      io-like (~> 0.3.0)
+    arel (9.0.0)
     bindex (0.8.1)
+    bootsnap (1.16.0)
+      msgpack (~> 1.2)
     builder (3.2.4)
     byebug (11.1.3)
     capybara (3.39.2)
@@ -53,6 +61,9 @@
       rack-test (>= 0.6.3)
       regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
+    chromedriver-helper (2.1.1)
+      archive-zip (~> 0.10)
+      nokogiri (~> 1.8)
     coffee-rails (4.2.2)
       coffee-script (>= 2.2.0)
       railties (>= 4.0.0)
@@ -70,6 +81,7 @@
       activesupport (>= 5.0)
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
+    io-like (0.3.1)
     jbuilder (2.11.5)
       actionview (>= 5.0.0)
       activesupport (>= 5.0.0)
@@ -85,10 +97,12 @@
       net-imap
       net-pop
       net-smtp
+    marcel (1.0.2)
     matrix (0.4.2)
     method_source (1.0.0)
     mini_mime (1.1.5)
     minitest (5.19.0)
+    msgpack (1.7.2)
     net-imap (0.3.7)
       date
       net-protocol
@@ -107,17 +121,18 @@
     rack (2.2.8)
     rack-test (2.1.0)
       rack (>= 1.3)
-    rails (5.1.7)
-      actioncable (= 5.1.7)
-      actionmailer (= 5.1.7)
-      actionpack (= 5.1.7)
-      actionview (= 5.1.7)
-      activejob (= 5.1.7)
-      activemodel (= 5.1.7)
-      activerecord (= 5.1.7)
-      activesupport (= 5.1.7)
+    rails (5.2.8.1)
+      actioncable (= 5.2.8.1)
+      actionmailer (= 5.2.8.1)
+      actionpack (= 5.2.8.1)
+      actionview (= 5.2.8.1)
+      activejob (= 5.2.8.1)
+      activemodel (= 5.2.8.1)
+      activerecord (= 5.2.8.1)
+      activestorage (= 5.2.8.1)
+      activesupport (= 5.2.8.1)
       bundler (>= 1.3.0)
-      railties (= 5.1.7)
+      railties (= 5.2.8.1)
       sprockets-rails (>= 2.0.0)
     rails-dom-testing (2.2.0)
       activesupport (>= 5.0.0)
@@ -126,12 +141,12 @@
     rails-html-sanitizer (1.6.0)
       loofah (~> 2.21)
       nokogiri (~> 1.14)
-    railties (5.1.7)
-      actionpack (= 5.1.7)
-      activesupport (= 5.1.7)
+    railties (5.2.8.1)
+      actionpack (= 5.2.8.1)
+      activesupport (= 5.2.8.1)
       method_source
       rake (>= 0.8.7)
-      thor (>= 0.18.1, < 2.0)
+      thor (>= 0.19.0, < 2.0)
     rake (13.0.6)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
@@ -145,8 +160,8 @@
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    sass-rails (5.0.7)
-      railties (>= 4.0.0, < 6)
+    sass-rails (5.1.0)
+      railties (>= 5.2.0)
       sass (~> 3.1)
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
@@ -162,9 +177,9 @@
     sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
-    sprockets-rails (3.2.2)
-      actionpack (>= 4.0)
-      activesupport (>= 4.0)
+    sprockets-rails (3.4.2)
+      actionpack (>= 5.2)
+      activesupport (>= 5.2)
       sprockets (>= 3.0.0)
     sqlite3 (1.6.3-arm64-darwin)
     thor (1.2.2)
@@ -184,7 +199,7 @@
       bindex (>= 0.4.0)
       railties (>= 5.0)
     websocket (1.2.9)
-    websocket-driver (0.6.5)
+    websocket-driver (0.7.6)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
     xpath (3.2.0)
@@ -194,13 +209,15 @@
   arm64-darwin-22
 
 DEPENDENCIES
+  bootsnap (>= 1.1.0)
   byebug
   capybara (>= 2.15)
+  chromedriver-helper
   coffee-rails (~> 4.2)
   jbuilder (~> 2.5)
   listen (>= 3.0.5, < 3.2)
-  puma (~> 3.7)
-  rails (~> 5.1.7)
+  puma (~> 3.11)
+  rails (~> 5.2.8, >= 5.2.8.1)
   sass-rails (~> 5.0)
   selenium-webdriver
   spring
@@ -210,6 +227,9 @@
   tzinfo-data
   uglifier (>= 1.3.0)
   web-console (>= 3.3.0)
+
+RUBY VERSION
+   ruby 2.7.8p225
 
 BUNDLED WITH
    2.4.12
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/app/assets/javascripts/application.js rails 5.2/app/assets/javascripts/application.js
--- rails 5.1/app/assets/javascripts/application.js	2023-08-21 12:38:13
+++ rails 5.2/app/assets/javascripts/application.js	2023-08-21 12:38:15
@@ -11,5 +11,6 @@
 // about supported directives.
 //
 //= require rails-ujs
+//= require activestorage
 //= require turbolinks
 //= require_tree .
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/app/controllers/application_controller.rb rails 5.2/app/controllers/application_controller.rb
--- rails 5.1/app/controllers/application_controller.rb	2023-08-21 12:38:13
+++ rails 5.2/app/controllers/application_controller.rb	2023-08-21 12:38:15
@@ -1,3 +1,2 @@
 class ApplicationController < ActionController::Base
-  protect_from_forgery with: :exception
 end
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/app/views/layouts/application.html.erb rails 5.2/app/views/layouts/application.html.erb
--- rails 5.1/app/views/layouts/application.html.erb	2023-08-21 12:38:13
+++ rails 5.2/app/views/layouts/application.html.erb	2023-08-21 12:38:15
@@ -1,8 +1,9 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <title>Rails51</title>
+    <title>Rails52</title>
     <%= csrf_meta_tags %>
+    <%= csp_meta_tag %>
 
     <%= stylesheet_link_tag    'application', media: 'all', 'data-turbolinks-track': 'reload' %>
     <%= javascript_include_tag 'application', 'data-turbolinks-track': 'reload' %>
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/bin/bundle rails 5.2/bin/bundle
--- rails 5.1/bin/bundle	2023-08-21 12:38:13
+++ rails 5.2/bin/bundle	2023-08-21 12:38:15
@@ -1,3 +1,3 @@
 #!/usr/bin/env ruby
-ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
+ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __dir__)
 load Gem.bin_path('bundler', 'bundle')
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/bin/setup rails 5.2/bin/setup
--- rails 5.1/bin/setup	2023-08-21 12:38:13
+++ rails 5.2/bin/setup	2023-08-21 12:38:15
@@ -1,10 +1,9 @@
 #!/usr/bin/env ruby
-require 'pathname'
 require 'fileutils'
 include FileUtils
 
 # path to your application root.
-APP_ROOT = Pathname.new File.expand_path('../../', __FILE__)
+APP_ROOT = File.expand_path('..', __dir__)
 
 def system!(*args)
   system(*args) || abort("\n== Command #{args} failed ==")
@@ -20,7 +19,6 @@
 
   # Install JavaScript dependencies if using Yarn
   # system('bin/yarn')
-
 
   # puts "\n== Copying sample files =="
   # unless File.exist?('config/database.yml')
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/bin/update rails 5.2/bin/update
--- rails 5.1/bin/update	2023-08-21 12:38:13
+++ rails 5.2/bin/update	2023-08-21 12:38:15
@@ -1,10 +1,9 @@
 #!/usr/bin/env ruby
-require 'pathname'
 require 'fileutils'
 include FileUtils
 
 # path to your application root.
-APP_ROOT = Pathname.new File.expand_path('../../', __FILE__)
+APP_ROOT = File.expand_path('..', __dir__)
 
 def system!(*args)
   system(*args) || abort("\n== Command #{args} failed ==")
@@ -17,6 +16,9 @@
   puts '== Installing dependencies =='
   system! 'gem install bundler --conservative'
   system('bundle check') || system!('bundle install')
+
+  # Install JavaScript dependencies if using Yarn
+  # system('bin/yarn')
 
   puts "\n== Updating database =="
   system! 'bin/rails db:migrate'
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/bin/yarn rails 5.2/bin/yarn
--- rails 5.1/bin/yarn	2023-08-21 12:38:13
+++ rails 5.2/bin/yarn	2023-08-21 12:38:15
@@ -1,8 +1,8 @@
 #!/usr/bin/env ruby
-VENDOR_PATH = File.expand_path('..', __dir__)
-Dir.chdir(VENDOR_PATH) do
+APP_ROOT = File.expand_path('..', __dir__)
+Dir.chdir(APP_ROOT) do
   begin
-    exec "yarnpkg #{ARGV.join(" ")}"
+    exec "yarnpkg", *ARGV
   rescue Errno::ENOENT
     $stderr.puts "Yarn executable was not detected in the system."
     $stderr.puts "Download Yarn at https://yarnpkg.com/en/docs/install"
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/config/application.rb rails 5.2/config/application.rb
--- rails 5.1/config/application.rb	2023-08-21 12:38:13
+++ rails 5.2/config/application.rb	2023-08-21 12:38:15
@@ -6,13 +6,14 @@
 # you've limited to :test, :development, or :production.
 Bundler.require(*Rails.groups)
 
-module Rails51
+module Rails52
   class Application < Rails::Application
     # Initialize configuration defaults for originally generated Rails version.
-    config.load_defaults 5.1
+    config.load_defaults 5.2
 
     # Settings in config/environments/* take precedence over those specified here.
-    # Application configuration should go into files in config/initializers
-    # -- all .rb files in that directory are automatically loaded.
+    # Application configuration can go into files in config/initializers
+    # -- all .rb files in that directory are automatically loaded after loading
+    # the framework and any gems in your application.
   end
 end
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/config/boot.rb rails 5.2/config/boot.rb
--- rails 5.1/config/boot.rb	2023-08-21 12:38:13
+++ rails 5.2/config/boot.rb	2023-08-21 12:38:16
@@ -1,3 +1,4 @@
 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.
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/config/cable.yml rails 5.2/config/cable.yml
--- rails 5.1/config/cable.yml	2023-08-21 12:38:13
+++ rails 5.2/config/cable.yml	2023-08-21 12:38:15
@@ -6,5 +6,5 @@
 
 production:
   adapter: redis
-  url: redis://localhost:6379/1
-  channel_prefix: rails_5_1_production
+  url: <%= ENV.fetch("REDIS_URL") { "redis://localhost:6379/1" } %>
+  channel_prefix: rails_5_2_production
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/config/credentials.yml.enc rails 5.2/config/credentials.yml.enc
--- rails 5.1/config/credentials.yml.enc	1969-12-31 16:00:00
+++ rails 5.2/config/credentials.yml.enc	2023-08-21 12:38:16
@@ -0,0 +1 @@
+O4YgwOXP87GsOt/KWTv3+GLCRBQ/EqZe4RToBos7Rp3INsOyBOF+UPmGoc7q5x27VDRJgsPA/mNsaRhFhAwG6ePpLWrplG55xwJ0ITyDf6eReJd4eZ0C5kvYGLLVbWEszpN9TpOZEwweXfuyroTH52ScCniwfk6s8ymGK2RCtJHFcw28RGiKE+YkzORp9HfBUkbQO4yl71PgMug0USudvW87Ew0Uv899gZcVvN8nsb44HQk4eILLJUI9yxK4vBMY3r0NWcA+GXCp6zvAxQ2TKMlrAXeoJTUT/+TNwaVUvRcDZmRlTM/ZbS2pQG38Qbkfrq5aHB609mNjeZC2wtFfoZJtFVauKhi0j6XepqEkoAUZzDD4sWdP4eyf/9Irfc3NtlSVetrXpCpnxAiTSguTH8q3wN6MjaQh6EXY--57R0MHt7pViswG3c--m62e/ngTmNor+IFYlYVaDA==
\ No newline at end of file
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/config/environments/development.rb rails 5.2/config/environments/development.rb
--- rails 5.1/config/environments/development.rb	2023-08-21 12:38:13
+++ rails 5.2/config/environments/development.rb	2023-08-21 12:38:15
@@ -13,12 +13,13 @@
   config.consider_all_requests_local = true
 
   # Enable/disable caching. By default caching is disabled.
-  if Rails.root.join('tmp/caching-dev.txt').exist?
+  # Run rails dev:cache to toggle caching.
+  if Rails.root.join('tmp', 'caching-dev.txt').exist?
     config.action_controller.perform_caching = true
 
     config.cache_store = :memory_store
     config.public_file_server.headers = {
-      'Cache-Control' => "public, max-age=#{2.days.seconds.to_i}"
+      'Cache-Control' => "public, max-age=#{2.days.to_i}"
     }
   else
     config.action_controller.perform_caching = false
@@ -26,6 +27,9 @@
     config.cache_store = :null_store
   end
 
+  # Store uploaded files on the local file system (see config/storage.yml for options)
+  config.active_storage.service = :local
+
   # Don't care if the mailer can't send.
   config.action_mailer.raise_delivery_errors = false
 
@@ -36,6 +40,9 @@
 
   # Raise an error on page load if there are pending migrations.
   config.active_record.migration_error = :page_load
+
+  # 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
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/config/environments/production.rb rails 5.2/config/environments/production.rb
--- rails 5.1/config/environments/production.rb	2023-08-21 12:38:13
+++ rails 5.2/config/environments/production.rb	2023-08-21 12:38:15
@@ -14,10 +14,9 @@
   config.consider_all_requests_local       = false
   config.action_controller.perform_caching = true
 
-  # Attempt to read encrypted secrets from `config/secrets.yml.enc`.
-  # Requires an encryption key in `ENV["RAILS_MASTER_KEY"]` or
-  # `config/secrets.yml.key`.
-  config.read_encrypted_secrets = true
+  # Ensures that a master key has been made available in either ENV["RAILS_MASTER_KEY"]
+  # or in config/master.key. This key is used to decrypt credentials (and other encrypted files).
+  # config.require_master_key = true
 
   # Disable serving static files from the `/public` folder by default since
   # Apache or NGINX already handles this.
@@ -39,6 +38,9 @@
   # 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'
@@ -59,7 +61,8 @@
 
   # Use a real queuing backend for Active Job (and separate queues per environment)
   # config.active_job.queue_adapter     = :resque
-  # config.active_job.queue_name_prefix = "rails_5_1_#{Rails.env}"
+  # config.active_job.queue_name_prefix = "rails_5_2_#{Rails.env}"
+
   config.action_mailer.perform_caching = false
 
   # Ignore bad email addresses and do not raise email delivery errors.
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/config/environments/test.rb rails 5.2/config/environments/test.rb
--- rails 5.1/config/environments/test.rb	2023-08-21 12:38:13
+++ rails 5.2/config/environments/test.rb	2023-08-21 12:38:15
@@ -15,7 +15,7 @@
   # 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.seconds.to_i}"
+    'Cache-Control' => "public, max-age=#{1.hour.to_i}"
   }
 
   # Show full error reports and disable caching.
@@ -27,6 +27,10 @@
 
   # Disable request forgery protection in test environment.
   config.action_controller.allow_forgery_protection = false
+
+  # Store uploaded files on the local file system in a temporary directory
+  config.active_storage.service = :test
+
   config.action_mailer.perform_caching = false
 
   # Tell Action Mailer not to deliver emails to the real world.
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/config/initializers/content_security_policy.rb rails 5.2/config/initializers/content_security_policy.rb
--- rails 5.1/config/initializers/content_security_policy.rb	1969-12-31 16:00:00
+++ rails 5.2/config/initializers/content_security_policy.rb	2023-08-21 12:38:15
@@ -0,0 +1,25 @@
+# Be sure to restart your server when you modify this file.
+
+# Define an application-wide content security policy
+# 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 :self, :https
+#   policy.font_src    :self, :https, :data
+#   policy.img_src     :self, :https, :data
+#   policy.object_src  :none
+#   policy.script_src  :self, :https
+#   policy.style_src   :self, :https
+
+#   # Specify URI for violation reports
+#   # policy.report_uri "/csp-violation-report-endpoint"
+# end
+
+# If you are using UJS then enable automatic nonce generation
+# Rails.application.config.content_security_policy_nonce_generator = -> request { SecureRandom.base64(16) }
+
+# 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
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/config/master.key rails 5.2/config/master.key
--- rails 5.1/config/master.key	1969-12-31 16:00:00
+++ rails 5.2/config/master.key	2023-08-21 12:38:15
@@ -0,0 +1 @@
+a2e86ca348dce2f87614938c5d769735
\ No newline at end of file
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/config/puma.rb rails 5.2/config/puma.rb
--- rails 5.1/config/puma.rb	2023-08-21 12:38:13
+++ rails 5.2/config/puma.rb	2023-08-21 12:38:15
@@ -15,6 +15,9 @@
 #
 environment ENV.fetch("RAILS_ENV") { "development" }
 
+# 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 webserver processes. If using threads and workers together
 # the concurrency of the application would be max `threads` * `workers`.
@@ -26,31 +29,9 @@
 # Use the `preload_app!` method when specifying a `workers` number.
 # This directive tells Puma to first boot the application and load code
 # before forking the application. This takes advantage of Copy On Write
-# process behavior so workers use less memory. If you use this option
-# you need to make sure to reconnect any threads in the `on_worker_boot`
-# block.
+# process behavior so workers use less memory.
 #
 # preload_app!
-
-# If you are preloading your application and using Active Record, it's
-# recommended that you close any connections to the database before workers
-# are forked to prevent connection leakage.
-#
-# before_fork do
-#   ActiveRecord::Base.connection_pool.disconnect! if defined?(ActiveRecord)
-# end
-
-# The code in the `on_worker_boot` will be called if you are using
-# clustered mode by specifying a number of `workers`. After each worker
-# process is booted, this block will be run. If you are using the `preload_app!`
-# option, you will want to use this block to reconnect to any threads
-# or connections that may have been created at application boot, as Ruby
-# cannot share connections between processes.
-#
-# on_worker_boot do
-#   ActiveRecord::Base.establish_connection if defined?(ActiveRecord)
-# end
-#
 
 # Allow puma to be restarted by `rails restart` command.
 plugin :tmp_restart
Only in rails 5.1/config: secrets.yml
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/config/spring.rb rails 5.2/config/spring.rb
--- rails 5.1/config/spring.rb	2023-08-21 12:38:13
+++ rails 5.2/config/spring.rb	2023-08-21 12:38:15
@@ -1,6 +1,6 @@
-%w(
+%w[
   .ruby-version
   .rbenv-vars
   tmp/restart.txt
   tmp/caching-dev.txt
-).each { |path| Spring.watch(path) }
+].each { |path| Spring.watch(path) }
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/config/storage.yml rails 5.2/config/storage.yml
--- rails 5.1/config/storage.yml	1969-12-31 16:00:00
+++ rails 5.2/config/storage.yml	2023-08-21 12:38:15
@@ -0,0 +1,34 @@
+test:
+  service: Disk
+  root: <%= Rails.root.join("tmp/storage") %>
+
+local:
+  service: Disk
+  root: <%= Rails.root.join("storage") %>
+
+# Use rails credentials:edit to set the AWS secrets (as aws:access_key_id|secret_access_key)
+# amazon:
+#   service: S3
+#   access_key_id: <%= Rails.application.credentials.dig(:aws, :access_key_id) %>
+#   secret_access_key: <%= Rails.application.credentials.dig(:aws, :secret_access_key) %>
+#   region: us-east-1
+#   bucket: your_own_bucket
+
+# Remember not to checkin your GCS keyfile to a repository
+# google:
+#   service: GCS
+#   project: your_project
+#   credentials: <%= Rails.root.join("path/to/gcs.keyfile") %>
+#   bucket: your_own_bucket
+
+# Use rails credentials:edit to set the Azure Storage secret (as azure_storage:storage_access_key)
+# microsoft:
+#   service: AzureStorage
+#   storage_account_name: your_account_name
+#   storage_access_key: <%= Rails.application.credentials.dig(:azure_storage, :storage_access_key) %>
+#   container: your_container_name
+
+# mirror:
+#   service: Mirror
+#   primary: local
+#   mirrors: [ amazon, google, microsoft ]
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/package.json rails 5.2/package.json
--- rails 5.1/package.json	2023-08-21 12:38:13
+++ rails 5.2/package.json	2023-08-21 12:38:15
@@ -1,5 +1,5 @@
 {
-  "name": "rails_5_1",
+  "name": "rails_5_2",
   "private": true,
   "dependencies": {}
 }
diff --ignore-space-change --minimal --recursive --unidirectional-new-file --unified rails 5.1/test/test_helper.rb rails 5.2/test/test_helper.rb
--- rails 5.1/test/test_helper.rb	2023-08-21 12:38:13
+++ rails 5.2/test/test_helper.rb	2023-08-21 12:38:16
@@ -1,5 +1,5 @@
 ENV['RAILS_ENV'] ||= 'test'
-require File.expand_path('../../config/environment', __FILE__)
+require_relative '../config/environment'
 require 'rails/test_help'
 
 class ActiveSupport::TestCase