Update compose.yml / Bump jquery to v3.7.1 / refactor Rakefile (#171)

* Set `BUNDLE_AUTO_INSTALL` to auto-install jekyll

* Use environment variable for the image tag

* Change const  name

* Bump jquery from 3.5.1 to 3.7.1

Author: toshimaru

Diff for: Rakefile

@@ -4,8 +4,8 @@ require 'yaml'
 require 'bundler'
 
 SOURCE_DIR = 'src'
-INDEX_HTML = 'files/railties/RDOC_MAIN_rdoc.html'
-NEW_INDEX_HTML = 'files/railties/RDOC_MAIN_md.html'
+INDEX_HTML = 'files/railties/RDOC_MAIN_md.html'
+OLD_INDEX_HTML = 'files/railties/RDOC_MAIN_rdoc.html'
 MY_SDOC_BRANCH = 'main'
 
 desc 'Generate documentation for default Rails version and build Jekyll site'
@@ -85,9 +85,9 @@ def generate_src(target_version:)
   cd target_dir do
     # Generate index.html
     if Gem::Version.new(target_version) >= Gem::Version.new('7.1')
-      cp NEW_INDEX_HTML, 'index.html'
-    else
       cp INDEX_HTML, 'index.html'
+    else
+      cp OLD_INDEX_HTML, 'index.html'
     end
 
     # Prepend version number to the absolute path in navigation.html

Diff for: compose.yml

@@ -1,10 +1,10 @@
 services:
   app:
-    image: ruby:3.3
-    # Use Ruby 2.7 for older builds
-    # image: ruby:2.7
+    # NOTE: Use Ruby 2.7 for older builds
+    image: ruby:${RUBY_VERSION:-3.3}
     working_dir: /app
     volumes:
       - .:/app
     environment:
       RUBY_YJIT_ENABLE: true
+      BUNDLE_AUTO_INSTALL: true

Diff for: src/_layouts/default.html

@@ -68,7 +68,7 @@
     </div>
   </div>
 
-  <script src="https://cdn.jsdelivr.net/npm/jquery@3.5.1/dist/jquery.min.js" crossorigin="anonymous"></script>
+  <script src="https://cdn.jsdelivr.net/npm/jquery@3.7.1/dist/jquery.min.js" crossorigin="anonymous"></script>
   <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-Fy6S3B9q64WdZWQUiU+q4/2Lc9npb8tCaSX9FK7E8HnRr0Jz8D6OP9dO5Vg3Q9ct" crossorigin="anonymous"></script>
   <script src="https://cdnjs.cloudflare.com/ajax/libs/anchor-js/4.3.1/anchor.min.js" integrity="sha512-zPB79j2C+3sFS9zcA3vg/z6bVKzJVEyu9pY5w89akQRys76zpAT2t6S3wZKla3QQ14O5l/Yt0RUQ/DHXx82Y5g==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
   <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js"></script>