add google analytics

_config.yml

@@ -1,6 +1,7 @@
 # Site settings
 title: "Shunsuke KITADA | Resume"
 description: "This is my resume page"
+google_analytics: UA-114287158-2
 
 # Build settings
 markdown: kramdown

_includes/analytics.html

@@ -0,0 +1,9 @@
+<!-- Global site tag (gtag.js) - Google Analytics -->
+<script async src="https://www.googletagmanager.com/gtag/js?id=UA-114287158-2"></script>
+<script>
+ window.dataLayer = window.dataLayer || [];
+ function gtag(){dataLayer.push(arguments);}
+ gtag('js', new Date());
+
+ gtag('config', '{{ site:google_analytics }}');
+</script>

_includes/head.html

@@ -15,4 +15,7 @@
   <link rel="stylesheet" href="css/main.css">
   <link rel="canonical" href="{{ page.url | replace:'index.html','' | prepend: site.baseurl | prepend: site.url }}">
   <link rel="icon" type="image/x-icon" href="/favicon.png" />
+  {% if site.google_analytics and jekyll.environment == 'production' %}
+  {% include analytics.html %}
+  {% endif %}
 </head>

deploy/deploy.sh

@@ -11,8 +11,7 @@ TARGET_BRANCH="gh-pages"
 
 function doCompile {
 
-    bundle exec jekyll build
-
+    JEKYLL_ENV=production bundle exec jekyll build
 }
 
 # Pull requests and commits to other branches shouldn't try to deploy, just build to verify