diff --git a/_config_dev.yml b/_config_dev.yml
index be6379b7..ad2653ba 100644
--- a/_config_dev.yml
+++ b/_config_dev.yml
@@ -1,14 +1,9 @@
 #------------------------------------------------------------
-# This config-file is only needed for development. Instead of changing
-# the url everytime you work locally on the project, run a server with
+# This config file is only needed for development. Instead of changing
+# the URL everytime you work locally on the project, run a server with
 # both configuration files:
 #
 #    jekyll serve --config _config.yml,_config_dev.yml
 #------------------------------------------------------------
 
-# Is this production or development? (Overrides _config.yml.)
-is_production: false
-
-# Override root so that CSS and other resources will load locally.
-github:
-  url: http://0.0.0.0:4000
+root: http://localhost:4000
diff --git a/_includes/all_keypoints.html b/_includes/all_keypoints.html
index 9e7cf2c8..bedfd737 100644
--- a/_includes/all_keypoints.html
+++ b/_includes/all_keypoints.html
@@ -7,7 +7,7 @@ <h2>Key Points</h2>
   {% unless episode.break %}
     <tr>
       <td class="col-md-3">
-        <a href="{{ site.github.url }}{{ episode.url }}">{{ episode.title }}</a>
+        <a href="{{ site.root }}{{ episode.url }}">{{ episode.title }}</a>
       </td>
       <td class="col-md-9">
         <ul>
diff --git a/_includes/carpentries.html b/_includes/carpentries.html
index e56c7d16..a195ebb3 100644
--- a/_includes/carpentries.html
+++ b/_includes/carpentries.html
@@ -1,6 +1,6 @@
 <div class="row">
   <div class="col-md-2" align="center">
-    <a href="{{ site.swc_site }}"><img src="{{ site.github.url }}/assets/img/swc-icon-blue.svg" alt="Software Carpentry logo" /></a>
+    <a href="{{ site.swc_site }}"><img src="{{ site.root }}/assets/img/swc-icon-blue.svg" alt="Software Carpentry logo" /></a>
   </div>
   <div class="col-md-8">
     Since 1998,
@@ -14,7 +14,7 @@
 <br/>
 <div class="row">
   <div class="col-md-2" align="center">
-    <a href="{{ site.dc_site }}"><img src="{{ site.github.url }}/assets/img/dc-icon-black.svg" alt="Data Carpentry logo" /></a>
+    <a href="{{ site.dc_site }}"><img src="{{ site.root }}/assets/img/dc-icon-black.svg" alt="Data Carpentry logo" /></a>
   </div>
   <div class="col-md-8">
     <a href="{{ site.dc_site }}">Data Carpentry</a> develops and teaches workshops on the fundamental data skills needed to conduct research.
diff --git a/_includes/episode_title.html b/_includes/episode_title.html
index 5e2e4ec0..767f38f2 100644
--- a/_includes/episode_title.html
+++ b/_includes/episode_title.html
@@ -3,22 +3,22 @@
   <div class="col-md-1">
     <h3>
       {% if prev_episode %}
-      <a href="{{ site.github.url }}{{ prev_episode.url }}"><span class="glyphicon glyphicon-menu-left"></span></a>
+      <a href="{{ site.root }}{{ prev_episode.url }}"><span class="glyphicon glyphicon-menu-left"></span></a>
       {% else %}
-      <a href="{{ site.github.url }}"><span class="glyphicon glyphicon-menu-up"></span></a>
+      <a href="{{ site.root }}"><span class="glyphicon glyphicon-menu-up"></span></a>
       {% endif %}
     </h3>
   </div>
   <div class="col-md-10">
-    <h3 class="maintitle"><a href="{{ site.github.url }}/">{{ site.title }}</a></h3>
+    <h3 class="maintitle"><a href="{{ site.root }}/">{{ site.title }}</a></h3>
     <h1 class="maintitle">{{ page.title }}</h1>
   </div>
   <div class="col-md-1">
     <h3>
       {% if next_episode %}
-      <a href="{{ site.github.url }}{{ next_episode.url }}"><span class="glyphicon glyphicon-menu-right"></span></a>
+      <a href="{{ site.root }}{{ next_episode.url }}"><span class="glyphicon glyphicon-menu-right"></span></a>
       {% else %}
-      <a href="{{ site.github.url }}"><span class="glyphicon glyphicon-menu-up"></span></a>
+      <a href="{{ site.root }}"><span class="glyphicon glyphicon-menu-up"></span></a>
       {% endif %}
     </h3>
   </div>
diff --git a/_includes/javascript.html b/_includes/javascript.html
index c2d678c4..c8c66c0f 100644
--- a/_includes/javascript.html
+++ b/_includes/javascript.html
@@ -1,3 +1,3 @@
-<script src="{{ site.github.url }}/assets/js/jquery.min.js"></script>
-<script src="{{ site.github.url }}/assets/js/bootstrap.min.js"></script>
-<script src="{{ site.github.url }}/assets/js/lesson.js"></script>
+<script src="{{ site.root }}/assets/js/jquery.min.js"></script>
+<script src="{{ site.root }}/assets/js/bootstrap.min.js"></script>
+<script src="{{ site.root }}/assets/js/lesson.js"></script>
diff --git a/_includes/footer.html b/_includes/lesson_footer.html
similarity index 50%
rename from _includes/footer.html
rename to _includes/lesson_footer.html
index d9d90ed7..4c175a62 100644
--- a/_includes/footer.html
+++ b/_includes/lesson_footer.html
@@ -1,12 +1,3 @@
-{% comment %}
-  Generic footer.  Links to repository, not to generated website, so
-  we do a bit of a dance to get the right URL.
-{% endcomment %}
-{% if site.is_production %}
-  {% capture repo_url %}{{ site.github.repository_url }}{% endcapture %}
-{% else %}
-  {% capture repo_url %}https://github.com/{{ site.account }}/{{ site.project }}{% endcapture %}
-{% endif %}
 <hr/>
 <footer>
   <div class="row">
@@ -19,9 +10,9 @@ <h4>
     </div>
     <div class="col-md-6" align="right">
       <h4>
-	<a href="{{ repo_url }}">Source</a>
+	<a href="{{ site.repo }}/">Source</a>
 	/
-	<a href="{{ repo_url }}/blob/gh-pages/CONTRIBUTING.md">Contributing</a>
+	<a href="{{ site.repo }}/blob/gh-pages/CONTRIBUTING.md">Contributing</a>
 	/
 	<a href="mailto:{{ site.email }}">Contact</a>
       </h4>
diff --git a/_includes/main_title.html b/_includes/main_title.html
index 06019b93..4640300e 100644
--- a/_includes/main_title.html
+++ b/_includes/main_title.html
@@ -1 +1 @@
-<h1 class="maintitle"><a href="{{ site.github.url }}/">{{ site.title }}</a>{% if page.title %}: {{ page.title }}{% endif %}</h1>
+<h1 class="maintitle"><a href="{{ site.root }}/">{{ site.title }}</a>{% if page.title %}: {{ page.title }}{% endif %}</h1>
diff --git a/_includes/navbar.html b/_includes/navbar.html
index 00084bb2..7da51db7 100644
--- a/_includes/navbar.html
+++ b/_includes/navbar.html
@@ -9,47 +9,47 @@
       </button>
       {% if page.carpentry == "swc" %}
       <a href="{{ site.swc_site }}" class="pull-left">
-        <img class="navbar-logo" src="{{ site.github.url }}/assets/img/swc-icon-blue.svg" alt="Software Carpentry logo" />
+        <img class="navbar-logo" src="{{ site.root }}/assets/img/swc-icon-blue.svg" alt="Software Carpentry logo" />
       </a>
       {% elsif page.carpentry == "dc" %}
       <a href="{{ site.dc_site }}" class="pull-left">
-        <img class="navbar-logo" src="{{ site.github.url }}/assets/img/dc-icon-black.svg" alt="Data Carpentry logo" />
+        <img class="navbar-logo" src="{{ site.root }}/assets/img/dc-icon-black.svg" alt="Data Carpentry logo" />
       </a>
       {% elsif site.carpentry == "swc" %}
       <a href="{{ site.swc_site }}" class="pull-left">
-        <img class="navbar-logo" src="{{ site.github.url }}/assets/img/swc-icon-blue.svg" alt="Software Carpentry logo" />
+        <img class="navbar-logo" src="{{ site.root }}/assets/img/swc-icon-blue.svg" alt="Software Carpentry logo" />
       </a>
       {% elsif site.carpentry == "dc" %}
       <a href="{{ site.dc_site }}" class="pull-left">
-        <img class="navbar-logo" src="{{ site.github.url }}/assets/img/dc-icon-black.svg" alt="Data Carpentry logo" />
+        <img class="navbar-logo" src="{{ site.root }}/assets/img/dc-icon-black.svg" alt="Data Carpentry logo" />
       </a>
       {% endif %}
-      <a class="navbar-brand" href="{{ site.github.url }}/">Home</a>
+      <a class="navbar-brand" href="{{ site.root }}/">Home</a>
     </div>
     <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
       <ul class="nav navbar-nav">
-        <li><a href="{{ site.github.url }}/conduct/">Code of Conduct</a></li>
+        <li><a href="{{ site.root }}/conduct/">Code of Conduct</a></li>
         {% if site.kind == "lesson" %}
-        <li><a href="{{ site.github.url }}/setup/">Setup</a></li>
+        <li><a href="{{ site.root }}/setup/">Setup</a></li>
         <li class="dropdown">
-          <a href="{{ site.github.url }}/" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Episodes <span class="caret"></span></a>
+          <a href="{{ site.root }}/" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Episodes <span class="caret"></span></a>
           <ul class="dropdown-menu">
             {% for episode in site.episodes %}
-            <li><a href="{{ site.github.url }}{{ episode.url }}">{{ episode.title }}</a></li>
+            <li><a href="{{ site.root }}{{ episode.url }}">{{ episode.title }}</a></li>
             {% endfor %}
           </ul>
         </li>
         <li class="dropdown">
-          <a href="{{ site.github.url }}/" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Extras <span class="caret"></span></a>
+          <a href="{{ site.root }}/" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Extras <span class="caret"></span></a>
           <ul class="dropdown-menu">
             {% for extra in site.extras %}
-            <li><a href="{{ site.github.url }}{{ extra.url }}">{{ extra.title }}</a></li>
+            <li><a href="{{ site.root }}{{ extra.url }}">{{ extra.title }}</a></li>
             {% endfor %}
           </ul>
         </li>
-        <li><a href="{{ site.github.url }}/reference/">Reference</a></li>
+        <li><a href="{{ site.root }}/reference/">Reference</a></li>
         {% endif %}
-        <li><a href="{{ site.github.url }}/license/">License</a></li>
+        <li><a href="{{ site.root }}/license/">License</a></li>
       </ul>
       <form class="navbar-form navbar-right" role="search" id="search" onsubmit="google_search(); return false;">
         <div class="form-group">
diff --git a/_includes/syllabus.html b/_includes/syllabus.html
index 7783fdf2..5f4b7c85 100644
--- a/_includes/syllabus.html
+++ b/_includes/syllabus.html
@@ -34,7 +34,7 @@ <h2>Schedule</h2>
       {% if multiday %}<td class="col-md-1">{% if episode.start %}Day {{ day }}{% endif %}</td>{% endif %}
       <td class="col-md-1">{% if hours < 10 %}0{% endif %}{{ hours }}:{% if minutes < 10 %}0{% endif %}{{ minutes }}</td>
       <td class="col-md-3">
-        <a href="{{ site.github.url }}{{ episode.url }}">{{ episode.title }}</a>
+        <a href="{{ site.root }}{{ episode.url }}">{{ episode.title }}</a>
       </td>
       <td class="col-md-7">
         {% if episode.break %}
diff --git a/_layouts/base.html b/_layouts/base.html
index 12cef2ec..d8bbc3be 100644
--- a/_layouts/base.html
+++ b/_layouts/base.html
@@ -7,10 +7,10 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta http-equiv="last-modified" content="{{ site.time }}">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <meta name="search-domain" value="https://{{ site.github.url }}">
-    <link rel="stylesheet" type="text/css" href="{{ site.github.url }}/assets/css/bootstrap.css" />
-    <link rel="stylesheet" type="text/css" href="{{ site.github.url }}/assets/css/bootstrap-theme.css" />
-    <link rel="stylesheet" type="text/css" href="{{ site.github.url }}/assets/css/lesson.css" />
+    <meta name="search-domain" value="https://{{ site.root }}">
+    <link rel="stylesheet" type="text/css" href="{{ site.root }}/assets/css/bootstrap.css" />
+    <link rel="stylesheet" type="text/css" href="{{ site.root }}/assets/css/bootstrap-theme.css" />
+    <link rel="stylesheet" type="text/css" href="{{ site.root }}/assets/css/lesson.css" />
     {% if site.carpentry == "swc" %}
     <link rel="shortcut icon" type="image/x-icon" href="/favicon-swc.ico" />
     {% endif %}
@@ -29,7 +29,7 @@
     <div class="container">
       {% include navbar.html %}
 {{ content }}
-      {% include footer.html %}
+      {% include lesson_footer.html %}
     </div>
     {% include javascript.html %}
   </body>
diff --git a/_layouts/workshop.html b/_layouts/workshop.html
index 870605ad..c2cf2f11 100644
--- a/_layouts/workshop.html
+++ b/_layouts/workshop.html
@@ -25,10 +25,9 @@
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta http-equiv="last-modified" content="{{ site.time }}">
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <meta name="search-domain" value="https://{{ site.github.url }}">
-    <link rel="stylesheet" type="text/css" href="{{ site.github.url }}/assets/css/bootstrap.css" />
-    <link rel="stylesheet" type="text/css" href="{{ site.github.url }}/assets/css/bootstrap-theme.css" />
-    <link rel="stylesheet" type="text/css" href="{{ site.github.url }}/assets/css/lesson.css" />
+    <link rel="stylesheet" type="text/css" href="{{ site.root }}/assets/css/bootstrap.css" />
+    <link rel="stylesheet" type="text/css" href="{{ site.root }}/assets/css/bootstrap-theme.css" />
+    <link rel="stylesheet" type="text/css" href="{{ site.root }}/assets/css/lesson.css" />
     {% if site.carpentry == "swc" %}
     <link rel="shortcut icon" type="image/x-icon" href="/favicon-swc.ico" />
     {% endif %}