feat(docs): Improve jekyll dependencies to speed up docker image build

Dockerfile

@@ -96,11 +96,26 @@ WORKDIR /app
 
 FROM base as build
 
+# copy NPM dependencies and install
 COPY --chown=abc:abc package*.json ./
 COPY --chown=abc:abc tsconfig.json .
 
 RUN npm install
 
+# copy bundle/jekyll dependencies and docs folder
+COPY --chown=abc:abc Gemfile Gemfile.lock _config.yml ./
+COPY --chown=abc:abc docs ./docs/
+
+# sassc (a jekll dependency) is very slow to compile bc there are no alpine binaries
+# https://github.com/sass/sassc-ruby/issues/189#issuecomment-629758948
+# so for now sync used jekyll version with prebuilt binary available in alpine repo
+RUN apk add --no-cache --virtual .build-deps \
+    ruby-jekyll \
+    && bundle install \
+    && jekyll build -b /docs \
+    && apk del .build-deps \
+    && rm -rf docs
+
 COPY --chown=abc:abc . /app
 
 RUN npm run build && rm -rf node_modules
@@ -115,16 +130,6 @@ RUN npm install --production \
     && rm -rf node_modules/ts-node \
     && rm -rf node_modules/typescript
 
-# https://github.com/sass/sassc-ruby/issues/189#issuecomment-629758948
-# sassc is very slow to compile bc there are no alpine binaries
-RUN apk add --no-cache --virtual .build-deps \
-    make gcc g++ ruby-bundler ruby-dev \
-    && gem install bundler:2.3.9 \
-    && bundle install \
-    && bundle exec jekyll build -b /docs \
-    && apk del .build-deps \
-    && rm -rf docs
-
 ENV NPM_CONFIG_LOGLEVEL debug
 
 # can set database to use more performant better-sqlite3 since we control everything

Gemfile

@@ -1,6 +1,9 @@
 source 'https://rubygems.org'
 
-gem "jekyll", "~> 4.3" # installed by `gem jekyll`
+# sassc (a jekll dependency) is very slow to compile bc there are no alpine binaries
+# https://github.com/sass/sassc-ruby/issues/189#issuecomment-629758948
+# so for now sync used jekyll version with prebuilt binary available in alpine repo
+gem "jekyll", "4.2.2" # installed by `gem jekyll`
 # gem "webrick"        # required when using Ruby >= 3 and Jekyll <= 4.2.2
 
 gem "just-the-docs", "0.4.0.rc3" # currently the latest pre-release

Gemfile.lock

@@ -14,22 +14,21 @@ GEM
     http_parser.rb (0.8.0)
     i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    jekyll (4.3.0)
+    jekyll (4.2.2)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
       i18n (~> 1.0)
-      jekyll-sass-converter (>= 2.0, < 4.0)
+      jekyll-sass-converter (~> 2.0)
       jekyll-watch (~> 2.0)
-      kramdown (~> 2.3, >= 2.3.1)
+      kramdown (~> 2.3)
       kramdown-parser-gfm (~> 1.0)
       liquid (~> 4.0)
-      mercenary (>= 0.3.6, < 0.5)
+      mercenary (~> 0.4.0)
       pathutil (~> 0.9)
-      rouge (>= 3.0, < 5.0)
+      rouge (~> 3.0)
       safe_yaml (~> 1.0)
-      terminal-table (>= 1.8, < 4.0)
-      webrick (~> 1.7)
+      terminal-table (~> 2.0)
     jekyll-default-layout (0.1.5)
       jekyll (>= 3.0, < 5.0)
     jekyll-optional-front-matter (0.3.2)
@@ -67,22 +66,19 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rexml (3.2.5)
-    rouge (4.0.0)
+    rouge (3.30.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
-    terminal-table (3.0.2)
-      unicode-display_width (>= 1.1.1, < 3)
-    unicode-display_width (2.3.0)
-    webrick (1.7.0)
+    terminal-table (2.0.0)
+      unicode-display_width (~> 1.1, >= 1.1.1)
+    unicode-display_width (1.8.0)
 
 PLATFORMS
-  arm64-darwin-21
-  x86_64-darwin-19
   x86_64-linux
 
 DEPENDENCIES
-  jekyll (~> 4.3)
+  jekyll (= 4.2.2)
   jekyll-default-layout
   jekyll-optional-front-matter
   jekyll-readme-index
@@ -91,4 +87,4 @@ DEPENDENCIES
   just-the-docs (= 0.4.0.rc3)
 
 BUNDLED WITH
-   2.3.9
+   2.3.25