post(cka day1): Add new post on CKA training

Gemfile

@@ -11,6 +11,7 @@ group :jekyll_plugins do
   gem 'jekyll-polyglot', '= 1.8.1'
   gem 'jekyll_picture_tag', '= 2.1.0'
   gem 'addressable', '= 2.8.7'
+  gem 'csv', '= 3.3.2'
 end
 
 gem 'webrick', '= 1.8.2'

README.md

@@ -12,8 +12,9 @@ This repository contains the source code for the Scalastic website, a project bu
 
 To work with this project, ensure you have the following installed:
 
-- Ruby 3.2.2
-- Bundler 2.4.10
+- Ruby >= 3 (latest recommended, also bundler included)
+- glib 2
+- libvips
 
 ## Installation
 

_includes/head.html

@@ -1,5 +1,23 @@
-{%- capture pageTitle %}{% if page.title %}{{ page.title }}{% else %}{{ site.data.i18n.site-description }}{% endif %}{% endcapture -%}
-{%- capture pageDescription %}{% if page.description %}{{ page.description }}{% else %}{{ site.data.i18n.site-description }}{% endif %}{% endcapture -%}
+{%- capture pageTitle -%}
+  {%- if page.seo_title -%}
+    {{ page.seo_title }}
+  {%- elsif page.title -%}
+    {{ page.title }}
+  {%- else -%}
+    {{ site.data.i18n.site-description }}
+  {%- endif -%}
+{%- endcapture -%}
+
+{%- capture pageDescription -%}
+  {%- if page.seo_description -%}
+    {{ page.seo_description }}
+  {%- elsif page.description -%}
+    {{ page.description }}
+  {%- else -%}
+    {{ site.data.i18n.site-description }}
+  {%- endif -%}
+{%- endcapture -%}
+
 {%- capture pageUrl -%}
   {%- if site.active_lang == site.default_lang -%}
     {{ site.url | append: page.url | replace:'index.html','' }}
@@ -57,9 +75,15 @@
     <meta property="article:modified_time" content="{{ page.last_modified_at | date_to_xmlschema }}">
     {% endif -%}
     <meta property="article:section" content="Technology">
+    {%- if page.series -%}
+    <meta property="article:series" content="{{ page.series }}">
+    {%- endif -%}
     {%- for tag in page.tags %}
     <meta property="article:tag" content="{{ tag }}">
     {%- endfor %}
+    {%- if page.progression -%}
+    <meta property="article:tag" content="{{ page.progression }}">
+    {%- endif -%}
   {%- endif %}
   <!-- Meta twitter -->
   <meta name="twitter:card" content="summary_large_image">

_includes/jsonld_post.html

@@ -22,9 +22,16 @@
   "isAccessibleForFree": "True",
   "isPartOf": {
     "@type": ["CreativeWork", "Product", "WebSite"],
+    {% if page.series %}
+    "name": "{{ page.series }}",
+    {% else %}
     "name": "Scalastic",
+    {% endif %}
     "productID": "scalastic.io"
   },
+  {% if page.progression %}
+  "position": "{{ page.progression }}",
+  {% endif %}
   "inLanguage": "{% if site.active_lang == site.default_lang %}fr-FR{% else %}en-US{% endif %}",
   "license": "https://creativecommons.org/licenses/by-nc-nd/4.0/",
   "author": {