CIでjekyll buildが成功することを保証する

github pagesはruby 2.7が使われてたので合わせる。

See https://pages.github.com/versions/.

.devcontainer/devcontainer.json

@@ -2,7 +2,7 @@
   "build": {
     "dockerfile": "Dockerfile",
     "args": {
-      "VARIANT": "3.3",
+      "VARIANT": "2.7",
       "NODE_VERSION": "20"
     }
   },

.github/workflows/jekyll.yml

@@ -0,0 +1,15 @@
+name: Build Pages
+
+on:
+  - push
+
+jobs:
+  prettier:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 2.7
+          bundler-cache: true
+      - run: bundle exec jekyll build

Gemfile.lock

@@ -34,10 +34,11 @@ GEM
       ffi (>= 1.15.0)
     eventmachine (1.2.7)
     execjs (2.9.1)
-    faraday (2.9.0)
-      faraday-net_http (>= 2.0, < 3.2)
-    faraday-net_http (3.1.0)
-      net-http
+    faraday (2.8.1)
+      base64
+      faraday-net_http (>= 2.0, < 3.1)
+      ruby2_keywords (>= 0.0.4)
+    faraday-net_http (3.0.2)
     ffi (1.16.3)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
@@ -215,25 +216,15 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
+    mini_portile2 (2.8.5)
     minima (2.5.1)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     minitest (5.21.2)
     mutex_m (0.2.0)
-    net-http (0.4.1)
-      uri
-    nokogiri (1.16.0-aarch64-linux)
-      racc (~> 1.4)
-    nokogiri (1.16.0-arm-linux)
-      racc (~> 1.4)
-    nokogiri (1.16.0-arm64-darwin)
-      racc (~> 1.4)
-    nokogiri (1.16.0-x86-linux)
-      racc (~> 1.4)
-    nokogiri (1.16.0-x86_64-darwin)
-      racc (~> 1.4)
-    nokogiri (1.16.0-x86_64-linux)
+    nokogiri (1.15.5)
+      mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     octokit (4.25.1)
       faraday (>= 1, < 3)
@@ -270,16 +261,10 @@ GEM
       unf_ext
     unf_ext (0.0.9.1)
     unicode-display_width (1.8.0)
-    uri (0.13.0)
     webrick (1.8.1)
 
 PLATFORMS
-  aarch64-linux
-  arm-linux
-  arm64-darwin
-  x86-linux
-  x86_64-darwin
-  x86_64-linux
+  ruby
 
 DEPENDENCIES
   github-pages
@@ -288,4 +273,4 @@ DEPENDENCIES
   webrick
 
 BUNDLED WITH
-   2.5.4
+   2.1.4