Tweak configuration for GitHub Pages

Gemfile

@@ -1,19 +1,11 @@
 source "https://rubygems.org"
 
-ruby "~> 3.2.2"
-
 gem "rake"
-gem "jekyll", "~> 4.2.0"
+gem "jekyll"
 gem "rouge"
 
-gem "unicorn"
-gem "lanyon"
-gem "rack-rewrite"
-gem "rack-ssl"
-gem "rack-protection"
-
 group :development do
   gem "minitest"
-  gem "spidr", "~> 0.6"
+  gem "html-proofer"
   gem "validate-website", "~> 1.6"
 end

Gemfile.lock

@@ -1,48 +1,70 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    Ascii85 (1.1.0)
     addressable (2.8.4)
       public_suffix (>= 2.0.2, < 6.0)
+    afm (0.2.2)
+    async (2.5.0)
+      console (~> 1.10)
+      io-event (~> 1.1)
+      timers (~> 4.1)
     colorator (1.1.0)
     concurrent-ruby (1.2.2)
+    console (1.16.2)
+      fiber-local
     crass (1.0.6)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
+    ethon (0.16.0)
+      ffi (>= 1.15.0)
     eventmachine (1.2.7)
     ffi (1.15.5)
+    fiber-local (1.0.0)
     forwardable-extended (2.6.0)
+    google-protobuf (3.22.3)
+    google-protobuf (3.22.3-arm64-darwin)
+    google-protobuf (3.22.3-x86_64-linux)
+    hashery (2.1.2)
+    html-proofer (5.0.7)
+      addressable (~> 2.3)
+      async (~> 2.1)
+      nokogiri (~> 1.13)
+      pdf-reader (~> 2.11)
+      rainbow (~> 3.0)
+      typhoeus (~> 1.3)
+      yell (~> 2.0)
+      zeitwerk (~> 2.5)
     http_parser.rb (0.8.0)
     i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    jekyll (4.2.2)
+    io-event (1.1.7)
+    jekyll (4.3.2)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
       i18n (~> 1.0)
-      jekyll-sass-converter (~> 2.0)
+      jekyll-sass-converter (>= 2.0, < 4.0)
       jekyll-watch (~> 2.0)
-      kramdown (~> 2.3)
+      kramdown (~> 2.3, >= 2.3.1)
       kramdown-parser-gfm (~> 1.0)
       liquid (~> 4.0)
-      mercenary (~> 0.4.0)
+      mercenary (>= 0.3.6, < 0.5)
       pathutil (~> 0.9)
-      rouge (~> 3.0)
+      rouge (>= 3.0, < 5.0)
       safe_yaml (~> 1.0)
-      terminal-table (~> 2.0)
-    jekyll-sass-converter (2.2.0)
-      sassc (> 2.0.1, < 3.0)
+      terminal-table (>= 1.8, < 4.0)
+      webrick (~> 1.7)
+    jekyll-sass-converter (3.0.0)
+      sass-embedded (~> 1.54)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
     json (2.6.3)
-    kgio (2.11.4)
     kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
-    lanyon (0.4.4)
-      jekyll (>= 2.0)
-      rack (>= 1.6, < 3.0)
     liquid (4.0.4)
     listen (3.8.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
@@ -60,35 +82,42 @@ GEM
     paint (2.3.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
+    pdf-reader (2.11.0)
+      Ascii85 (~> 1.0)
+      afm (~> 0.2.1)
+      hashery (~> 2.0)
+      ruby-rc4
+      ttfunk
     public_suffix (5.0.1)
     racc (1.6.2)
-    rack (2.2.6.4)
-    rack-protection (3.0.6)
-      rack
-    rack-rewrite (1.5.1)
-    rack-ssl (1.4.1)
-      rack
-    raindrops (0.20.1)
+    rainbow (3.1.1)
     rake (13.0.6)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rexml (3.2.5)
-    rouge (3.30.0)
+    rouge (4.1.0)
+    ruby-rc4 (0.1.5)
     safe_yaml (1.0.5)
-    sassc (2.4.0)
-      ffi (~> 1.9)
+    sass-embedded (1.62.0)
+      google-protobuf (~> 3.21)
+      rake (>= 10.0.0)
+    sass-embedded (1.62.0-arm64-darwin)
+      google-protobuf (~> 3.21)
+    sass-embedded (1.62.0-x86_64-linux-gnu)
+      google-protobuf (~> 3.21)
     slop (4.10.1)
     spidr (0.7.0)
       nokogiri (~> 1.3)
-    terminal-table (2.0.0)
-      unicode-display_width (~> 1.1, >= 1.1.1)
+    terminal-table (3.0.2)
+      unicode-display_width (>= 1.1.1, < 3)
     tidy_ffi (1.0.1)
       ffi (~> 1.2)
-    unicode-display_width (1.8.0)
-    unicorn (6.1.0)
-      kgio (~> 2.6)
-      raindrops (~> 0.7)
+    timers (4.3.5)
+    ttfunk (1.7.0)
+    typhoeus (1.4.0)
+      ethon (>= 0.9.0)
+    unicode-display_width (2.4.2)
     validate-website (1.12.0)
       crass (~> 1)
       nokogiri (~> 1.12)
@@ -103,27 +132,21 @@ GEM
       nokogiri (~> 1.6)
       rexml (~> 3.2)
     webrick (1.8.1)
+    yell (2.2.2)
+    zeitwerk (2.6.7)
 
 PLATFORMS
   arm64-darwin-22
   ruby
   x86_64-linux
 
 DEPENDENCIES
-  jekyll (~> 4.2.0)
-  lanyon
+  html-proofer
+  jekyll
   minitest
-  rack-protection
-  rack-rewrite
-  rack-ssl
   rake
   rouge
-  spidr (~> 0.6)
-  unicorn
   validate-website (~> 1.6)
 
-RUBY VERSION
-   ruby 3.2.2p53
-
 BUNDLED WITH
    2.4.10

Rakefile

@@ -18,41 +18,16 @@ task test: %i[test-news-plugin test-linter lint build]
 
 desc "Build the Jekyll site"
 task :build do
-  require "lanyon"
+  require "jekyll"
 
-  Lanyon.build
-end
-
-namespace :build do
-
-  def build_subpage(lang)
-    require "yaml"
-    require "lanyon"
-
-    exclude_config = YAML.load_file(CONFIG)["exclude"]
-    exclude_langs  = (LANGUAGES - [lang]).map {|x| "#{x}/" }
-
-    exclude = exclude_config + exclude_langs
-
-    Lanyon.build(exclude: exclude)
-  end
-
-  desc "Build the Jekyll site (`lang' language part only)"
-  task :lang do
-    puts "Please specify one of the valid language codes:"
-    puts LANGUAGES.join(", ") << "."
-  end
-
-  LANGUAGES.each do |lang|
-    task lang.to_sym do
-      build_subpage(lang)
-    end
-  end
+  Jekyll::Commands::Build.process({})
 end
 
 desc "Serve the Jekyll site locally"
 task :serve do
-  sh "rackup config.ru"
+  require "jekyll"
+
+  Jekyll::Commands::Serve.process({})
 end
 
 namespace :new_post do
@@ -114,12 +89,22 @@ end
 
 namespace :check do
 
-  localport = 9292
-
-  desc "Check for broken internal links on http://localhost:#{localport}/"
+  desc "Check for broken internal links"
   task :links do
-    require_relative "lib/link_checker"
-    LinkChecker.new.check(localport: localport, languages: LANGUAGES)
+    require "html-proofer"
+    options = {
+      checks: [
+        'Links',
+        'Images',
+        'Scripts',
+      ],
+      ignore_empty_alt: true,
+      ignore_missing_alt: true,
+      check_external_hash: false,
+      check_internal_hash: false,
+    }
+
+    HTMLProofer.check_directory('_site', options).run
   end
 
   desc "Validate _site markup with validate-website"

_config.yml

@@ -8,13 +8,10 @@ kramdown:
   auto_ids: false
 
 exclude:
-  - config.ru
   - Gemfile
   - Gemfile.lock
-  - Procfile
   - Rakefile
   - README.md
-  - unicorn.rb
   - lib
   - test
   - vendor