第8版に対応した 8_0 ディレクトリを追加

8_0/ch01/.devcontainer/devcontainer.json

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+// Specifications: https://containers.dev/implementors/json_reference/
+// Format details: https://aka.ms/devcontainer.json
+// Config options: https://github.com/microsoft/vscode-dev-containers/tree/main/containers/ruby
+{
+  "name": "railstutorial",
+
+  // Universal is well-customized image for Codespaces:
+  // https://hub.docker.com/_/microsoft-devcontainers-universal
+  //"image": "mcr.microsoft.com/devcontainers/universal:2",
+  //"features": {
+  //  "ghcr.io/devcontainers/features/ruby:1": {}
+  //},
+
+  // Use Ruby image if you want to pin Ruby version like '3.2'
+  // https://github.com/devcontainers/images/tree/main/src/ruby
+  "image": "mcr.microsoft.com/devcontainers/ruby:3.2",
+  //"workspaceFolder": "/railstutorial", => Container build failed
+
+  // Enable learners to choose an affordable spec, starting at minimum one.
+  //"hostRequirements": {
+  //  "cpus":    2,
+  //  "memory":  "4gb",
+  //  "storage": "32gb"
+  //},
+
+  "waitFor": "onCreateCommand",
+  //"onCreateCommand": "",
+  "onCreateCommand": "gem install solargraph -v '0.58.2' -N",
+  //"onCreateCommand": "gem install solargraph -v '0.50.0' -N && gem install ruby-lsp -N",
+  //"onCreateCommand": "gem install ruby-lsp -N",
+  //# => Solargraph gem not found. Run `gem install solargraph` or update your Gemfile.
+  "updateContentCommand": "bundle install",
+  "postCreateCommand": "",
+  "postAttachCommand": {
+    "server": "rails server"
+  },
+  "customizations": {
+    "codespaces": {
+      "openFiles": [
+        "app/views/hello/index.html.erb"
+      ]
+    },
+    "vscode": {
+      "extensions": [
+        "GitHub.codespaces",
+        "Shopify.ruby-lsp",   // https://github.com/Shopify/ruby-lsp
+        "castwide.solargraph" // https://github.com/castwide/vscode-solargraph
+        //"rebornix.Ruby",    // https://github.com/rubyide/vscode-ruby (Deprecated)
+
+      ],
+      "settings": {
+        // General settings for Codespaces (VS Code)
+        //"ruby.useLanguageServer": true ,
+        //"ruby.format": "rubocop",
+        //"ruby.lint": { "rubocop": true },
+        //"ruby.intellisense": "rubyLocate",
+        "editor.tabSize": 2,
+        "editor.formatOnSave": false, // Disable onSave to show diff edited by learners only
+        "editor.formatOnType": false, // Disable onType for the same reason above
+        "editor.insertSpaces": true,  // Use spaces, not tabs, to avoid errors for learners
+        "editor.renderWhitespace": "none",
+        "[ruby]": {
+          "editor.defaultFormatter": "castwide.solargraph",
+          "editor.semanticHighlighting.enabled": true // Enable semantic highlighting
+        },
+        "files.associations":     { "*.erb": "erb"  },
+        "emmet.includeLanguages": {   "erb": "html" },
+
+        // Settings for Solargraph
+        // https://github.com/castwide/solargraph
+        "solargraph.useBundler":  false,
+        "solargraph.diagnostics": false,
+        "solargraph.formatting":  true,  // Use Ctrl+Shift+P->Format to format
+        "solargraph.autoformat":  false,
+        "solargraph.definitions": true,
+        "solargraph.completion":  true,
+        "solargraph.references":  true,
+        "solargraph.symbols":     true,
+        "solargraph.rename":      true,
+        "solargraph.hover":       true,
+
+        // Settings for Ruby LSP
+        // https://github.com/Shopify/ruby-lsp
+        "rubyLsp.rubyVersionManager": {
+          "identifier": "none"
+        },
+        "rubyLsp.formatter": "none",
+        "rubyLsp.enabledFeatures": {
+          "diagnostics": false,
+          "formatting":  false
+        }
+      }
+    }
+  },
+  "remoteEnv": {
+    "EDITOR": "code --wait"
+  },
+  "portsAttributes": {
+    "3000": {
+      "label": "Application",
+      "onAutoForward": "openPreview"
+    }
+  },
+  "forwardPorts": [3000]
+}

8_0/ch01/.gitattributes

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+# See https://git-scm.com/docs/gitattributes for more about git attribute files.
+
+# Mark the database schema as having been generated.
+db/schema.rb linguist-generated
+
+# Mark any vendored files as having been vendored.
+vendor/* linguist-vendored

8_0/ch01/.gitignore

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+# See https://help.github.com/articles/ignoring-files for more about ignoring files.
+#
+# If you find yourself ignoring temporary files generated by your text editor
+# or operating system, you probably want to add a global ignore instead:
+#   git config --global core.excludesfile '~/.gitignore_global'
+
+# Ignore bundler config.
+/.bundle
+
+# Ignore the default SQLite database.
+/db/*.sqlite3
+/db/*.sqlite3-*
+
+# Ignore all logfiles and tempfiles.
+/log/*
+/tmp/*
+!/log/.keep
+!/tmp/.keep
+
+# Ignore pidfiles, but keep the directory.
+/tmp/pids/*
+!/tmp/pids/
+!/tmp/pids/.keep
+
+# Ignore uploaded files in development.
+/storage/*
+!/storage/.keep
+/tmp/storage/*
+!/tmp/storage/
+!/tmp/storage/.keep
+
+/public/assets
+
+# Ignore master key for decrypting credentials and more.
+/config/master.key
+
+# Ignore history file used by IRB for interactive Ruby.
+.irb_history
+
+dump.rdb

8_0/ch01/.irbrc

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+IRB.conf[:COMPLETOR] = :type # default is :regexp

8_0/ch01/.solargraph.yml

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+---
+include:
+- "**/*.rb"
+exclude:
+- spec/**/*
+- test/**/*
+- vendor/**/*
+- ".bundle/**/*"
+require:
+- actioncable
+- actionmailer
+- actionpack
+- actionview
+- activejob
+- activemodel
+- activerecord
+- activestorage
+- activesupport
+domains: []
+reporters:
+- rubocop
+- require_not_found
+- typecheck
+formatter:
+  rubocop:
+    cops: safe
+    except: []
+    only: []
+    extra_args: []
+require_paths: []
+plugins: []
+max_files: 5000

8_0/ch01/.vscode/settings.json

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+{
+  "editor.minimap.enabled": false
+}

8_0/ch01/Gemfile

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+source 'https://rubygems.org'
+git_source(:github) { |repo| "https://github.com/#{repo}.git" }
+
+ruby '3.2.10'
+
+gem 'bootsnap',        '1.16.0', require: false
+gem 'concurrent-ruby', '1.3.4'
+gem 'importmap-rails', '1.1.5'
+gem 'jbuilder',        '2.14.1'
+gem 'puma',            '6.6.1'
+gem 'rails',           '8.0.2.1'
+gem 'sassc-rails',     '2.1.2'
+gem 'sprockets-rails', '3.4.2'
+gem 'sqlite3',         '2.7.3'
+gem 'stimulus-rails',  '1.2.1'
+gem 'turbo-rails',     '1.4.0'
+
+group :development, :test do
+  gem 'debug', '1.7.1', platforms: %i[mri mingw x64_mingw]
+  gem 'reline', '0.5.10'
+end
+
+group :development do
+  gem 'irb',                 '1.15.2'
+  gem 'repl_type_completor', '0.1.10'
+  gem 'solargraph',          '0.58.2'
+  gem 'web-console',         '4.2.0'
+end
+
+group :test do
+  gem 'capybara',                 '3.38.0'
+  gem 'guard',                    '2.18.0'
+  gem 'guard-minitest',           '2.4.6'
+  gem 'minitest',                 '5.18.0'
+  gem 'minitest-reporters',       '1.6.0'
+  gem 'rails-controller-testing', '1.0.5'
+  gem 'selenium-webdriver',       '4.8.3'
+  gem 'webdrivers',               '5.2.0'
+end
+
+# Windows ではタイムゾーン情報用の tzinfo-data gem を含める必要があります
+# gem "tzinfo-data", platforms: %i[ mingw mswin x64_mingw jruby ]