diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 5ec11bc..1b5cd8b 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,11 +1,22 @@
-FROM ubuntu:20.04
+ARG VARIANT=2.7-bullseye
+FROM mcr.microsoft.com/vscode/devcontainers/ruby:${VARIANT}
 
 WORKDIR /home/
 
+# ENV Variables required by Jekyll
+ENV LANG=en_US.UTF-8 \
+    LANGUAGE=en_US:en \
+    TZ=Etc/UTC \
+    LC_ALL=en_US.UTF-8 \
+    LANG=en_US.UTF-8 \
+    LANGUAGE=en_US
+
+RUN gem install bundler github-pages
+
 COPY . .
 
-ENV DEBIAN_FRONTEND=noninteractive 
-RUN bash ./setup.sh
+ENV DEBIAN_FRONTEND=noninteractive
+RUN sh ./setup.sh
 
 RUN echo 'export NVM_DIR="$HOME/.nvm"' >> "$HOME/.zshrc"
-RUN echo '\n' >> "$HOME/.zshrc"
+RUN echo '\n' >> "$HOME/.zshrc"
\ No newline at end of file
diff --git a/.devcontainer/setup.sh b/.devcontainer/setup.sh
index 33c0c27..e76a515 100644
--- a/.devcontainer/setup.sh
+++ b/.devcontainer/setup.sh
@@ -19,8 +19,4 @@ sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/mas
 cp -R /root/.oh-my-zsh /home/$USERNAME
 cp /root/.zshrc /home/$USERNAME
 sed -i -e "s/\/root\/.oh-my-zsh/\/home\/$USERNAME\/.oh-my-zsh/g" /home/$USERNAME/.zshrc
-chown -R $USER_UID:$USER_GID /home/$USERNAME/.oh-my-zsh /home/$USERNAME/.zshrc
-
-# setup and install ruby, jekyll and bundler
-apt-get install -y ruby-full build-essential zlib1g-dev
-gem install jekyll bundler
\ No newline at end of file
+chown -R $USER_UID:$USER_GID /home/$USERNAME/.oh-my-zsh /home/$USERNAME/.zshrc
\ No newline at end of file
diff --git a/Gemfile b/Gemfile
index 020dad3..f312830 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,29 +1,23 @@
 source "https://rubygems.org"
+
 # 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", "~> 4.2.0"
+
+# Enforcing supported github pages versions (Jekyll 3.9.2)
+# https://pages.github.com/versions/
+gem "jekyll", "	3.9.2"
+
 # This is the default theme for new Jekyll sites. You may change this to anything you like.
 gem "just-the-docs"
-# If you want to use GitHub Pages, remove the "gem "jekyll"" above and
-# uncomment the line below. To upgrade, run `bundle update github-pages`.
-gem "github-pages", "~> 226", group: :jekyll_plugins
+
 # If you have any plugins, put them here!
 group :jekyll_plugins do
+  gem "github-pages"
 end
 
-# Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem
-# and associated library.
-platforms :mingw, :x64_mingw, :mswin, :jruby do
-  gem "tzinfo", "~> 1.2"
-  gem "tzinfo-data"
-end
-
-# Performance-booster for watching directories on Windows
-gem "wdm", "~> 0.1.1", :platforms => [:mingw, :x64_mingw, :mswin]
-
+# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
+gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
\ No newline at end of file
diff --git a/Gemfile.lock b/Gemfile.lock
index 2efd45a..aee2c2d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,51 +7,32 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.2, >= 2.2.2)
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
     coffee-script-source (1.11.1)
     colorator (1.1.0)
-    commonmarker (0.23.7)
+    commonmarker (0.23.8)
     concurrent-ruby (1.2.0)
     dnsruby (1.61.9)
       simpleidn (~> 0.1)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
-    ethon (0.15.0)
+    ethon (0.16.0)
       ffi (>= 1.15.0)
     eventmachine (1.2.7)
     execjs (2.8.1)
-    faraday (1.10.0)
-      faraday-em_http (~> 1.0)
-      faraday-em_synchrony (~> 1.0)
-      faraday-excon (~> 1.1)
-      faraday-httpclient (~> 1.0)
-      faraday-multipart (~> 1.0)
-      faraday-net_http (~> 1.0)
-      faraday-net_http_persistent (~> 1.0)
-      faraday-patron (~> 1.0)
-      faraday-rack (~> 1.0)
-      faraday-retry (~> 1.0)
+    faraday (2.7.4)
+      faraday-net_http (>= 2.0, < 3.1)
       ruby2_keywords (>= 0.0.4)
-    faraday-em_http (1.0.0)
-    faraday-em_synchrony (1.0.0)
-    faraday-excon (1.1.0)
-    faraday-httpclient (1.0.1)
-    faraday-multipart (1.0.3)
-      multipart-post (>= 1.2, < 3)
-    faraday-net_http (1.0.1)
-    faraday-net_http_persistent (1.2.0)
-    faraday-patron (1.0.0)
-    faraday-rack (1.0.0)
-    faraday-retry (1.0.3)
+    faraday-net_http (3.0.2)
     ffi (1.15.5)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
-    github-pages (226)
+    github-pages (227)
       github-pages-health-check (= 1.17.9)
       jekyll (= 3.9.2)
       jekyll-avatar (= 0.7.0)
@@ -93,7 +74,7 @@ GEM
       liquid (= 4.0.3)
       mercenary (~> 0.3)
       minima (= 2.5.1)
-      nokogiri (>= 1.13.4, < 2.0)
+      nokogiri (>= 1.13.6, < 2.0)
       rouge (= 3.26.0)
       terminal-table (~> 1.4)
     github-pages-health-check (1.17.9)
@@ -102,7 +83,7 @@ GEM
       octokit (~> 4.0)
       public_suffix (>= 3.0, < 5.0)
       typhoeus (~> 1.3)
-    html-pipeline (2.14.1)
+    html-pipeline (2.14.3)
       activesupport (>= 2)
       nokogiri (>= 1.4)
     http_parser.rb (0.8.0)
@@ -216,36 +197,37 @@ GEM
       gemoji (~> 3.0)
       html-pipeline (~> 2.2)
       jekyll (>= 3.0, < 5.0)
-    just-the-docs (0.3.3)
+    just-the-docs (0.4.0)
       jekyll (>= 3.8.5)
-      jekyll-seo-tag (~> 2.0)
-      rake (>= 12.3.1, < 13.1.0)
+      jekyll-seo-tag (>= 2.0)
+      rake (>= 12.3.1)
     kramdown (2.3.2)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     liquid (4.0.3)
-    listen (3.7.1)
+    listen (3.8.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
+    mini_portile2 (2.8.1)
     minima (2.5.1)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     minitest (5.17.0)
-    multipart-post (2.1.1)
-    nokogiri (1.13.10-x86_64-linux)
+    nokogiri (1.14.2)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
-    octokit (4.22.0)
-      faraday (>= 0.9)
-      sawyer (~> 0.8.0, >= 0.5.3)
+    octokit (4.25.1)
+      faraday (>= 1, < 3)
+      sawyer (~> 0.9)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (4.0.7)
-    racc (1.6.1)
+    racc (1.6.2)
     rake (13.0.6)
-    rb-fsevent (0.11.1)
+    rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rexml (3.2.5)
@@ -258,9 +240,9 @@ GEM
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    sawyer (0.8.2)
+    sawyer (0.9.2)
       addressable (>= 2.3.5)
-      faraday (> 0.8, < 2.0)
+      faraday (>= 0.17.3, < 3)
     simpleidn (0.2.1)
       unf (~> 0.1.4)
     terminal-table (1.8.0)
@@ -268,23 +250,22 @@ GEM
     thread_safe (0.3.6)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
-    tzinfo (1.2.10)
+    tzinfo (1.2.11)
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.8.1)
+    unf_ext (0.0.8.2)
     unicode-display_width (1.8.0)
-    zeitwerk (2.6.6)
+    zeitwerk (2.6.7)
 
 PLATFORMS
-  x86_64-linux
+  ruby
 
 DEPENDENCIES
-  github-pages (~> 226)
+  github-pages
+  jekyll (= 3.9.2)
   just-the-docs
-  tzinfo (~> 1.2)
   tzinfo-data
-  wdm (~> 0.1.1)
 
 BUNDLED WITH
-   2.3.14
+   2.1.4