feat: add ruby 3.1 ci pipeline for tests

.github/workflows/ci.yml

@@ -13,12 +13,15 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        ruby-version: ['3.0.4']
+        ruby-version: ['3.0.4', '3.1.0']
         mongodb-version: ['4.2.14']
         include:
           - ruby-version: 3.0.4
             gemfile: Gemfile3
             allow-failure: false
+          - ruby-version: 3.1.0
+            gemfile: Gemfile3
+            allow-failure: false
     env:
       SEARCH_SERVER_ES7: http://localhost:9200
       MONGOHQ_URL: mongodb://localhost:27017/cs_comments_service_test
@@ -54,7 +57,12 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby-version }}
-          bundler-cache: true
+
+      - name: Configuring nokogiri gem to use native extensions
+        run: bundle config build.nokogiri --use-system-libraries
+
+      - name: Install packages required for nokogiri package
+        run: sudo apt-get install libxslt-dev libxml2-dev
 
       - name: Install dependencies
         run: bundle install

Gemfile3

@@ -37,6 +37,7 @@ gem 'mongoid_magic_counter_cache'
 gem 'will_paginate_mongoid', "~>2.0"
 gem 'rdiscount'
 gem 'nokogiri', "~> 1.8.1"
+gem 'pkg-config', "~> 1.1"
 
 gem 'elasticsearch', '~> 7.8.0'
 gem 'elasticsearch-model', '~> 7.1.0'