Update to GitHub Pages v229

.github/dependabot.yml

@@ -0,0 +1,11 @@
+version: 2
+updates:
+- package-ecosystem: "devcontainers"
+  directory: "/"
+  schedule:
+    interval: weekly
+- package-ecosystem: "github-actions"
+  directory: "/"
+  schedule:
+    # Check for updates to GitHub Actions every week
+    interval: "weekly"

.github/workflows/build.yml

@@ -15,8 +15,8 @@ jobs:
     name: "Build and Release"
     strategy:
       matrix:
-        VERSIONS: [ {ruby: 2.7.3, ghpages: 226}, {ruby: 2.7.4, ghpages: 228}]
-        NODE_MAJOR_VERSION: [16,18,20]
+        VERSIONS: [ {ruby: 2.7.3, ghpages: 226}, {ruby: 2.7.4, ghpages: 229}]
+        NODE_MAJOR_VERSION: [18,20,21]
     runs-on: ubuntu-latest
     env:
       RUBY_VERSION: ${{ matrix.VERSIONS.ruby }}

Dockerfile

@@ -1,18 +1,21 @@
 # Adapted from https://github.com/timbru31/docker-ruby-node/blob/master/2.7/16/Dockerfile
 # Using dependency references from https://pages.github.com/versions/
 
-# 2.7.4 is GitHub Pages 228 compatible
+# 2.7.4 is GitHub Pages 229 compatible
 ARG RUBY_VERSION=2.7.4
 
 FROM ruby:${RUBY_VERSION}
 
 # NOTE: These args need to stay below the FROM line in order for Docker to recognize them.
 ARG BUILD_DATE
 ARG VCS_REF
-ARG GH_PAGES_VERSION=228
-ARG NODE_MAJOR_VERSION=18
+ARG GH_PAGES_VERSION=229
+ARG NODE_MAJOR_VERSION=20
+# Bundler 2.4.x is the last to support ruby <= 2.7.4
+ARG BUNDLER_VERSION=2.4.22
 
 RUN echo "RUBY_VERSION=${RUBY_VERSION}"
+RUN echo "BUNDLER_VERSION=${BUNDLER_VERSION}"
 RUN echo "BUILD_DATE=${BUILD_DATE}"
 RUN echo "VCS_REF=${VCS_REF}"
 RUN echo "GH_PAGES_VERSION=${GH_PAGES_VERSION}"
@@ -26,9 +29,9 @@ LABEL org.opencontainers.image.url="https://github.com/excellalabs/blog-in-a-box
 LABEL org.opencontainers.image.documentation="https://github.com/excellalabs/blog-in-a-box-container"
 LABEL org.opencontainers.image.source="https://github.com/excellalabs/blog-in-a-box"
 LABEL org.opencontainers.image.revision="${VCS_REF}"
-LABEL org.opencontainers.image.vendor="Excella"
+LABEL org.opencontainers.image.vendor="Sean Killeen"
 LABEL org.opencontainers.image.licenses="MIT"
-LABEL org.opencontainers.image.authors="Sean Killeen <sean.killeen@excella.com>"
+LABEL org.opencontainers.image.authors="Sean Killeen <SeanKilleen@gmail.com>"
 
 LABEL ruby_version="${RUBY_VERSION}"
 LABEL gh_pages_version="${GH_PAGES_VERSION}"
@@ -48,7 +51,7 @@ RUN apt-get -y install \
     tzdata \
     dos2unix
 
-RUN gem install bundler
+RUN gem install bundler -v ${BUNDLER_VERSION}
 
 #################################################################
 #                  Installing node                              #
@@ -66,5 +69,6 @@ RUN curl -sL https://deb.nodesource.com/setup_${NODE_MAJOR_VERSION}.x | bash -\
 RUN node -v
 RUN npm -v
 RUN npm install -g cspell markdownlint-cli
+RUN npm install -g markdownlint-cli2
 
-EXPOSE 4000
+EXPOSE 4000

README.md

@@ -11,7 +11,10 @@ We try to keep it up to date with [the GitHub Pages dependencies](https://pages.
 * Ruby, at the specified version (currently publish with 2.7.3 to match GitHub pages preferred version)
 * Git, tzdata updates, and the latest `bundler` gem at the time of build
 * Node at the specified major version (currently 16.x)
-* the `cSpell` and `markdownlint-cli` npm packages globally installed
+* the following npm packages globally installed:
+  * `cSpell`
+  * `markdownlint-cli`
+  * `markdownlint-cli2`
 * Port 4000 exposed, as this is what Jekyll publishes on.
 
 ## Get Involved