Various Jekyll/build improvements

.buildrc

@@ -0,0 +1,2 @@
+bundle install
+JEKYLL_ENV=production bundle exec jekyll build

.gitignore

@@ -8,3 +8,4 @@ font/.fontcustom-manifest.json
 assets/webfonts/ptio-font-preview.html
 vendor
 .bundle
+.jekyll-cache

.ruby-version

@@ -0,0 +1 @@
+3.0.0

Gemfile

@@ -1,16 +1,28 @@
 source "https://rubygems.org"
 
-# Install github-pages gem (https://jekyllrb.com/docs/github-pages/)
-gem "github-pages", group: :jekyll_plugins
+# Hello! This is where you manage which Jekyll version is used to run.
+# When you want to use a different version, change it below, save the
+# file and run `bundle install`. Run Jekyll with `bundle exec`, like so:
+#
+#     bundle exec jekyll serve
+#
+# This will help ensure the proper Jekyll version is running.
+# Happy Jekylling!
+gem "jekyll", "~> 4.2"
 
-# Plugins
+# Install jekyll-brotli gem (https://github.com/philnash/jekyll-brotli/)
+# If you have any plugins, put them here!
 group :jekyll_plugins do
-  # example: gem "jekyll-feed", "~> 0.6"
+  gem "jekyll-brotli", "~> 2.2"
+  gem "jekyll-sitemap", "~> 1.4"
 end
 
+# Jekyll 3.9.0 now requires this explicitly installed, apparently
+gem "kramdown-parser-gfm", "~> 1.1"
+gem "webrick", "~> 1.7"
+
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem "tzinfo-data", platforms: [:mingw, :mswin, :x64_mingw, :jruby]
 
 # Performance-booster for watching directories on Windows
-gem "wdm", "~> 0.1.0" if Gem.win_platform?
-
+gem "wdm", "~> 0.1" if Gem.win_platform?

Gemfile.lock

@@ -1,262 +1,79 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (6.0.3.4)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-      zeitwerk (~> 2.2, >= 2.2.2)
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
-    coffee-script (2.4.1)
-      coffee-script-source
-      execjs
-    coffee-script-source (1.11.1)
+    brotli (0.2.3)
     colorator (1.1.0)
-    commonmarker (0.17.13)
-      ruby-enum (~> 0.5)
     concurrent-ruby (1.1.7)
-    dnsruby (1.61.5)
-      simpleidn (~> 0.1)
     em-websocket (0.5.2)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
-    ethon (0.12.0)
-      ffi (>= 1.3.0)
     eventmachine (1.2.7)
-    execjs (2.7.0)
-    faraday (1.2.0)
-      multipart-post (>= 1.2, < 3)
-      ruby2_keywords
     ffi (1.14.2)
     forwardable-extended (2.6.0)
-    gemoji (3.0.1)
-    github-pages (209)
-      github-pages-health-check (= 1.16.1)
-      jekyll (= 3.9.0)
-      jekyll-avatar (= 0.7.0)
-      jekyll-coffeescript (= 1.1.1)
-      jekyll-commonmark-ghpages (= 0.1.6)
-      jekyll-default-layout (= 0.1.4)
-      jekyll-feed (= 0.15.1)
-      jekyll-gist (= 1.5.0)
-      jekyll-github-metadata (= 2.13.0)
-      jekyll-mentions (= 1.6.0)
-      jekyll-optional-front-matter (= 0.3.2)
-      jekyll-paginate (= 1.1.0)
-      jekyll-readme-index (= 0.3.0)
-      jekyll-redirect-from (= 0.16.0)
-      jekyll-relative-links (= 0.6.1)
-      jekyll-remote-theme (= 0.4.2)
-      jekyll-sass-converter (= 1.5.2)
-      jekyll-seo-tag (= 2.6.1)
-      jekyll-sitemap (= 1.4.0)
-      jekyll-swiss (= 1.0.0)
-      jekyll-theme-architect (= 0.1.1)
-      jekyll-theme-cayman (= 0.1.1)
-      jekyll-theme-dinky (= 0.1.1)
-      jekyll-theme-hacker (= 0.1.2)
-      jekyll-theme-leap-day (= 0.1.1)
-      jekyll-theme-merlot (= 0.1.1)
-      jekyll-theme-midnight (= 0.1.1)
-      jekyll-theme-minimal (= 0.1.1)
-      jekyll-theme-modernist (= 0.1.1)
-      jekyll-theme-primer (= 0.5.4)
-      jekyll-theme-slate (= 0.1.1)
-      jekyll-theme-tactile (= 0.1.1)
-      jekyll-theme-time-machine (= 0.1.1)
-      jekyll-titles-from-headings (= 0.5.3)
-      jemoji (= 0.12.0)
-      kramdown (= 2.3.0)
-      kramdown-parser-gfm (= 1.1.0)
-      liquid (= 4.0.3)
-      mercenary (~> 0.3)
-      minima (= 2.5.1)
-      nokogiri (>= 1.10.4, < 2.0)
-      rouge (= 3.23.0)
-      terminal-table (~> 1.4)
-    github-pages-health-check (1.16.1)
-      addressable (~> 2.3)
-      dnsruby (~> 1.60)
-      octokit (~> 4.0)
-      public_suffix (~> 3.0)
-      typhoeus (~> 1.3)
-    html-pipeline (2.14.0)
-      activesupport (>= 2)
-      nokogiri (>= 1.4)
     http_parser.rb (0.6.0)
-    i18n (0.9.5)
+    i18n (1.8.7)
       concurrent-ruby (~> 1.0)
-    jekyll (3.9.0)
+    jekyll (4.2.0)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
-      i18n (~> 0.7)
-      jekyll-sass-converter (~> 1.0)
+      i18n (~> 1.0)
+      jekyll-sass-converter (~> 2.0)
       jekyll-watch (~> 2.0)
-      kramdown (>= 1.17, < 3)
+      kramdown (~> 2.3)
+      kramdown-parser-gfm (~> 1.0)
       liquid (~> 4.0)
-      mercenary (~> 0.3.3)
+      mercenary (~> 0.4.0)
       pathutil (~> 0.9)
-      rouge (>= 1.7, < 4)
+      rouge (~> 3.0)
       safe_yaml (~> 1.0)
-    jekyll-avatar (0.7.0)
+      terminal-table (~> 2.0)
+    jekyll-brotli (2.2.1)
+      brotli (~> 0.2.0)
       jekyll (>= 3.0, < 5.0)
-    jekyll-coffeescript (1.1.1)
-      coffee-script (~> 2.2)
-      coffee-script-source (~> 1.11.1)
-    jekyll-commonmark (1.3.1)
-      commonmarker (~> 0.14)
-      jekyll (>= 3.7, < 5.0)
-    jekyll-commonmark-ghpages (0.1.6)
-      commonmarker (~> 0.17.6)
-      jekyll-commonmark (~> 1.2)
-      rouge (>= 2.0, < 4.0)
-    jekyll-default-layout (0.1.4)
-      jekyll (~> 3.0)
-    jekyll-feed (0.15.1)
-      jekyll (>= 3.7, < 5.0)
-    jekyll-gist (1.5.0)
-      octokit (~> 4.2)
-    jekyll-github-metadata (2.13.0)
-      jekyll (>= 3.4, < 5.0)
-      octokit (~> 4.0, != 4.4.0)
-    jekyll-mentions (1.6.0)
-      html-pipeline (~> 2.3)
-      jekyll (>= 3.7, < 5.0)
-    jekyll-optional-front-matter (0.3.2)
-      jekyll (>= 3.0, < 5.0)
-    jekyll-paginate (1.1.0)
-    jekyll-readme-index (0.3.0)
-      jekyll (>= 3.0, < 5.0)
-    jekyll-redirect-from (0.16.0)
-      jekyll (>= 3.3, < 5.0)
-    jekyll-relative-links (0.6.1)
-      jekyll (>= 3.3, < 5.0)
-    jekyll-remote-theme (0.4.2)
-      addressable (~> 2.0)
-      jekyll (>= 3.5, < 5.0)
-      jekyll-sass-converter (>= 1.0, <= 3.0.0, != 2.0.0)
-      rubyzip (>= 1.3.0, < 3.0)
-    jekyll-sass-converter (1.5.2)
-      sass (~> 3.4)
-    jekyll-seo-tag (2.6.1)
-      jekyll (>= 3.3, < 5.0)
+    jekyll-sass-converter (2.1.0)
+      sassc (> 2.0.1, < 3.0)
     jekyll-sitemap (1.4.0)
       jekyll (>= 3.7, < 5.0)
-    jekyll-swiss (1.0.0)
-    jekyll-theme-architect (0.1.1)
-      jekyll (~> 3.5)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-cayman (0.1.1)
-      jekyll (~> 3.5)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-dinky (0.1.1)
-      jekyll (~> 3.5)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-hacker (0.1.2)
-      jekyll (> 3.5, < 5.0)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-leap-day (0.1.1)
-      jekyll (~> 3.5)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-merlot (0.1.1)
-      jekyll (~> 3.5)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-midnight (0.1.1)
-      jekyll (~> 3.5)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-minimal (0.1.1)
-      jekyll (~> 3.5)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-modernist (0.1.1)
-      jekyll (~> 3.5)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-primer (0.5.4)
-      jekyll (> 3.5, < 5.0)
-      jekyll-github-metadata (~> 2.9)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-slate (0.1.1)
-      jekyll (~> 3.5)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-tactile (0.1.1)
-      jekyll (~> 3.5)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-theme-time-machine (0.1.1)
-      jekyll (~> 3.5)
-      jekyll-seo-tag (~> 2.0)
-    jekyll-titles-from-headings (0.5.3)
-      jekyll (>= 3.3, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    jemoji (0.12.0)
-      gemoji (~> 3.0)
-      html-pipeline (~> 2.2)
-      jekyll (>= 3.0, < 5.0)
     kramdown (2.3.0)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     liquid (4.0.3)
-    listen (3.3.3)
+    listen (3.4.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    mercenary (0.3.6)
-    mini_portile2 (2.4.0)
-    minima (2.5.1)
-      jekyll (>= 3.5, < 5.0)
-      jekyll-feed (~> 0.9)
-      jekyll-seo-tag (~> 2.1)
-    minitest (5.14.2)
-    multipart-post (2.1.1)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
-    octokit (4.19.0)
-      faraday (>= 0.9)
-      sawyer (~> 0.8.0, >= 0.5.3)
+    mercenary (0.4.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (3.1.1)
+    public_suffix (4.0.6)
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rexml (3.2.4)
-    rouge (3.23.0)
-    ruby-enum (0.8.0)
-      i18n
-    ruby2_keywords (0.0.2)
-    rubyzip (2.3.0)
+    rouge (3.26.0)
     safe_yaml (1.0.5)
-    sass (3.7.4)
-      sass-listen (~> 4.0.0)
-    sass-listen (4.0.0)
-      rb-fsevent (~> 0.9, >= 0.9.4)
-      rb-inotify (~> 0.9, >= 0.9.7)
-    sawyer (0.8.2)
-      addressable (>= 2.3.5)
-      faraday (> 0.8, < 2.0)
-    simpleidn (0.1.1)
-      unf (~> 0.1.4)
-    terminal-table (1.8.0)
+    sassc (2.4.0)
+      ffi (~> 1.9)
+    terminal-table (2.0.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
-    thread_safe (0.3.6)
-    typhoeus (1.4.0)
-      ethon (>= 0.9.0)
-    tzinfo (1.2.9)
-      thread_safe (~> 0.1)
-    unf (0.1.4)
-      unf_ext
-    unf_ext (0.0.7.7)
     unicode-display_width (1.7.0)
-    zeitwerk (2.4.2)
+    webrick (1.7.0)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  github-pages
+  jekyll (~> 4.2)
+  jekyll-brotli (~> 2.2)
+  jekyll-sitemap (~> 1.4)
+  kramdown-parser-gfm (~> 1.1)
   tzinfo-data
+  webrick (~> 1.7)
 
 BUNDLED WITH
-   2.0.1
+   2.2.5

README.md

@@ -23,9 +23,12 @@ If you want to discuss privacy in general, a new tool, or just something else, f
 
 ## Developing
 
-1. Install the latest stable version of [Ruby](https://www.ruby-lang.org/en/downloads/).
-1. Install [Bundler](https://bundler.io/) v2.0.1:
-	* `gem install bundler -v 2.0.1`
+1. Install the version of [Ruby](https://www.ruby-lang.org/en/downloads/) currently specified by [`.ruby-version`](.ruby-version)
+	* With [rbenv](https://github.com/rbenv/rbenv) (**recommended!**): `rbenv install`
+	* With [RVM](https://rvm.io): `rvm install "ruby-$(cat .ruby-version)"`
+	* [Manually](https://www.ruby-lang.org/en/downloads/)
+1. Install [Bundler](https://bundler.io/) v2.2.5:
+	* `gem install bundler:2.2.5`
 1. Install the required dependencies:
 	* `bundle install`
 1. Build the website (the output can be found in the `_site` directory):

_config.yml

@@ -7,6 +7,7 @@ sass:
   style: compressed
 plugins:
   - jekyll-sitemap
+  - jekyll-brotli
 sitemap:
 file: "/sitemap.xml"
 include: [".well-known"]