Upgrade Rails to 8.1.2 and modernize config

Gemfile

@@ -10,10 +10,11 @@ gem "shakapacker", "9.6.1"
 
 # Bundle edge Rails instead: gem "rails", github: "rails/rails"
 gem "listen"
-gem "rails", "~> 8.0"
+gem "rails", "~> 8.1.2"
 
 gem "pg"
 
+gem "bootsnap", require: false
 gem "puma"
 gem "thruster", "~> 0.1"
 

Gemfile.lock

@@ -1,68 +1,68 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    action_text-trix (2.1.15)
+    action_text-trix (2.1.17)
       railties
-    actioncable (8.1.1)
-      actionpack (= 8.1.1)
-      activesupport (= 8.1.1)
+    actioncable (8.1.2)
+      actionpack (= 8.1.2)
+      activesupport (= 8.1.2)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
       zeitwerk (~> 2.6)
-    actionmailbox (8.1.1)
-      actionpack (= 8.1.1)
-      activejob (= 8.1.1)
-      activerecord (= 8.1.1)
-      activestorage (= 8.1.1)
-      activesupport (= 8.1.1)
+    actionmailbox (8.1.2)
+      actionpack (= 8.1.2)
+      activejob (= 8.1.2)
+      activerecord (= 8.1.2)
+      activestorage (= 8.1.2)
+      activesupport (= 8.1.2)
       mail (>= 2.8.0)
-    actionmailer (8.1.1)
-      actionpack (= 8.1.1)
-      actionview (= 8.1.1)
-      activejob (= 8.1.1)
-      activesupport (= 8.1.1)
+    actionmailer (8.1.2)
+      actionpack (= 8.1.2)
+      actionview (= 8.1.2)
+      activejob (= 8.1.2)
+      activesupport (= 8.1.2)
       mail (>= 2.8.0)
       rails-dom-testing (~> 2.2)
-    actionpack (8.1.1)
-      actionview (= 8.1.1)
-      activesupport (= 8.1.1)
+    actionpack (8.1.2)
+      actionview (= 8.1.2)
+      activesupport (= 8.1.2)
       nokogiri (>= 1.8.5)
       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)
-    actiontext (8.1.1)
+    actiontext (8.1.2)
       action_text-trix (~> 2.1.15)
-      actionpack (= 8.1.1)
-      activerecord (= 8.1.1)
-      activestorage (= 8.1.1)
-      activesupport (= 8.1.1)
+      actionpack (= 8.1.2)
+      activerecord (= 8.1.2)
+      activestorage (= 8.1.2)
+      activesupport (= 8.1.2)
       globalid (>= 0.6.0)
       nokogiri (>= 1.8.5)
-    actionview (8.1.1)
-      activesupport (= 8.1.1)
+    actionview (8.1.2)
+      activesupport (= 8.1.2)
       builder (~> 3.1)
       erubi (~> 1.11)
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
-    activejob (8.1.1)
-      activesupport (= 8.1.1)
+    activejob (8.1.2)
+      activesupport (= 8.1.2)
       globalid (>= 0.3.6)
-    activemodel (8.1.1)
-      activesupport (= 8.1.1)
-    activerecord (8.1.1)
-      activemodel (= 8.1.1)
-      activesupport (= 8.1.1)
+    activemodel (8.1.2)
+      activesupport (= 8.1.2)
+    activerecord (8.1.2)
+      activemodel (= 8.1.2)
+      activesupport (= 8.1.2)
       timeout (>= 0.4.0)
-    activestorage (8.1.1)
-      actionpack (= 8.1.1)
-      activejob (= 8.1.1)
-      activerecord (= 8.1.1)
-      activesupport (= 8.1.1)
+    activestorage (8.1.2)
+      actionpack (= 8.1.2)
+      activejob (= 8.1.2)
+      activerecord (= 8.1.2)
+      activesupport (= 8.1.2)
       marcel (~> 1.0)
-    activesupport (8.1.1)
+    activesupport (8.1.2)
       base64
       bigdecimal
       concurrent-ruby (~> 1.0, >= 1.3.1)
@@ -82,10 +82,12 @@ GEM
       execjs (~> 2)
     awesome_print (1.9.2)
     base64 (0.3.0)
-    bigdecimal (3.3.1)
+    bigdecimal (4.0.1)
     bindex (0.8.1)
     binding_of_caller (1.0.1)
       debug_inspector (>= 1.2.0)
+    bootsnap (1.23.0)
+      msgpack (~> 1.2)
     builder (3.3.0)
     byebug (11.1.3)
     capybara (3.40.0)
@@ -111,8 +113,8 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.3.5)
-    connection_pool (2.5.5)
+    concurrent-ruby (1.3.6)
+    connection_pool (3.0.2)
     coveralls_reborn (0.25.0)
       simplecov (>= 0.18.1, < 0.22.0)
       term-ansicolor (~> 1.6)
@@ -125,15 +127,15 @@ GEM
       activerecord (>= 5.a)
       database_cleaner-core (~> 2.0.0)
     database_cleaner-core (2.0.1)
-    date (3.5.0)
+    date (3.5.1)
     debug (1.9.2)
       irb (~> 1.10)
       reline (>= 0.3.8)
     debug_inspector (1.2.0)
     diff-lcs (1.5.1)
     docile (1.4.0)
     drb (2.2.3)
-    erb (6.0.0)
+    erb (6.0.2)
     erubi (1.13.1)
     erubis (2.7.0)
     execjs (2.10.0)
@@ -150,18 +152,19 @@ GEM
       railties (>= 3.0.0)
     globalid (1.3.0)
       activesupport (>= 6.1)
-    i18n (1.14.7)
+    i18n (1.14.8)
       concurrent-ruby (~> 1.0)
     interception (0.5)
-    io-console (0.8.1)
-    irb (1.15.3)
+    io-console (0.8.2)
+    irb (1.17.0)
       pp (>= 0.6.0)
+      prism (>= 1.3.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
     jbuilder (2.12.0)
       actionview (>= 5.0.0)
       activesupport (>= 5.0.0)
-    json (2.16.0)
+    json (2.19.1)
     language_server-protocol (3.17.0.5)
     launchy (3.0.1)
       addressable (~> 2.8)
@@ -170,7 +173,7 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     logger (1.7.0)
-    loofah (2.24.1)
+    loofah (2.25.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
     mail (2.9.0)
@@ -183,10 +186,13 @@ GEM
     matrix (0.4.2)
     method_source (1.1.0)
     mini_mime (1.1.5)
-    minitest (5.26.2)
+    minitest (6.0.2)
+      drb (~> 2.0)
+      prism (~> 1.5)
     mize (0.4.1)
       protocol (~> 2.0)
-    net-imap (0.5.12)
+    msgpack (1.8.0)
+    net-imap (0.6.3)
       date
       net-protocol
     net-pop (0.1.2)
@@ -196,9 +202,9 @@ GEM
     net-smtp (0.5.1)
       net-protocol
     nio4r (2.7.5)
-    nokogiri (1.18.10-arm64-darwin)
+    nokogiri (1.19.1-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.18.10-x86_64-linux-gnu)
+    nokogiri (1.19.1-x86_64-linux-gnu)
       racc (~> 1.4)
     package_json (0.2.0)
     parallel (1.27.0)
@@ -229,43 +235,43 @@ GEM
     pry-stack_explorer (0.6.1)
       binding_of_caller (~> 1.0)
       pry (~> 0.13)
-    psych (5.2.6)
+    psych (5.3.1)
       date
       stringio
     public_suffix (6.0.2)
     puma (6.4.2)
       nio4r (~> 2.0)
     racc (1.8.1)
-    rack (3.2.4)
+    rack (3.2.5)
     rack-proxy (0.7.7)
       rack
     rack-session (2.1.1)
       base64 (>= 0.1.0)
       rack (>= 3.0.0)
     rack-test (2.2.0)
       rack (>= 1.3)
-    rackup (2.2.1)
+    rackup (2.3.1)
       rack (>= 3)
-    rails (8.1.1)
-      actioncable (= 8.1.1)
-      actionmailbox (= 8.1.1)
-      actionmailer (= 8.1.1)
-      actionpack (= 8.1.1)
-      actiontext (= 8.1.1)
-      actionview (= 8.1.1)
-      activejob (= 8.1.1)
-      activemodel (= 8.1.1)
-      activerecord (= 8.1.1)
-      activestorage (= 8.1.1)
-      activesupport (= 8.1.1)
+    rails (8.1.2)
+      actioncable (= 8.1.2)
+      actionmailbox (= 8.1.2)
+      actionmailer (= 8.1.2)
+      actionpack (= 8.1.2)
+      actiontext (= 8.1.2)
+      actionview (= 8.1.2)
+      activejob (= 8.1.2)
+      activemodel (= 8.1.2)
+      activerecord (= 8.1.2)
+      activestorage (= 8.1.2)
+      activesupport (= 8.1.2)
       bundler (>= 1.15.0)
-      railties (= 8.1.1)
+      railties (= 8.1.2)
     rails-dom-testing (2.3.0)
       activesupport (>= 5.0.0)
       minitest
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.6.2)
-      loofah (~> 2.21)
+    rails-html-sanitizer (1.7.0)
+      loofah (~> 2.25)
       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)
     rails_best_practices (1.23.2)
       activesupport
@@ -275,9 +281,9 @@ GEM
       json
       require_all (~> 3.0)
       ruby-progressbar
-    railties (8.1.1)
-      actionpack (= 8.1.1)
-      activesupport (= 8.1.1)
+    railties (8.1.2)
+      actionpack (= 8.1.2)
+      activesupport (= 8.1.2)
       irb (~> 1.13)
       rackup (>= 1.0.0)
       rake (>= 12.2)
@@ -289,7 +295,7 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rdoc (6.15.1)
+    rdoc (7.2.0)
       erb
       psych (>= 4.0.0)
       tsort
@@ -408,17 +414,17 @@ GEM
       sprockets (>= 3.0.0)
     stimulus-rails (1.3.3)
       railties (>= 6.0.0)
-    stringio (3.1.8)
+    stringio (3.2.0)
     strscan (3.1.0)
     sync (0.5.0)
     term-ansicolor (1.10.2)
       mize
       tins (~> 1.0)
-    thor (1.4.0)
+    thor (1.5.0)
     thruster (0.1.16-arm64-darwin)
     thruster (0.1.16-x86_64-linux)
     tilt (2.4.0)
-    timeout (0.4.4)
+    timeout (0.6.1)
     tins (1.33.0)
       bigdecimal
       sync
@@ -448,7 +454,7 @@ GEM
     xpath (3.2.0)
       nokogiri (~> 1.8)
     yard (0.9.36)
-    zeitwerk (2.7.3)
+    zeitwerk (2.7.5)
 
 PLATFORMS
   arm64-darwin
@@ -459,6 +465,7 @@ PLATFORMS
 DEPENDENCIES
   autoprefixer-rails
   awesome_print
+  bootsnap
   capybara
   capybara-screenshot
   coffee-rails
@@ -479,7 +486,7 @@ DEPENDENCIES
   pry-rescue
   pry-stack_explorer
   puma
-  rails (~> 8.0)
+  rails (~> 8.1.2)
   rails-html-sanitizer
   rails_best_practices
   rainbow

app/views/layouts/application.html.erb

@@ -25,6 +25,7 @@
   <%= javascript_pack_tag('data-turbolinks-track': true, defer: true) %>
 
   <%= csrf_meta_tags %>
+  <%= action_cable_meta_tag %>
 </head>
 <body class="min-h-screen flex flex-col bg-sky-50 text-gray-700">
   <%= yield :body_content %>

bin/ci

@@ -0,0 +1,21 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+require "English"
+require_relative "../config/ci"
+
+def run_step(name, command)
+  puts "\n== #{name} =="
+  puts "$ #{command}"
+  system(command)
+  return if $CHILD_STATUS.success?
+
+  warn "\nStep failed: #{name}"
+  exit($CHILD_STATUS.exitstatus || 1)
+end
+
+TutorialCI::STEPS.each do |name, command|
+  run_step(name, command)
+end
+
+puts "\nAll CI steps passed."

bin/rubocop

@@ -2,7 +2,7 @@
 require "rubygems"
 require "bundler/setup"
 
-# explicit rubocop config increases performance slightly while avoiding config confusion.
+# Explicit RuboCop config increases performance slightly while avoiding config confusion.
 ARGV.unshift("--config", File.expand_path("../.rubocop.yml", __dir__))
 
 load Gem.bin_path("rubocop", "rubocop")