Use proper jinja templating inside rst templates

docs/compose/setup.rst

@@ -19,17 +19,17 @@ Docker Compose configuration is stored in a file named
 :download:`docker-compose.yml`. Additionally, Mailu
 relies on a :download:`.env` file for various settings. Download
 the proper template files from the git repository. To download the configuration
-for the ":var:`github_version`" branch, use:
+for the ``{{ github_version }}`` branch, use:
 
-.. parsed-literal::
+.. code-block:: bash
 
-  wget https://mailu.io/:var:`github_version`/_downloads/docker-compose.yml
-  wget https://mailu.io/:var:`github_version`/_downloads/.env
+  wget https://mailu.io/{{ github_version }}/_downloads/docker-compose.yml
+  wget https://mailu.io/{{ github_version }}/_downloads/.env
 
 Then open the ``.env`` file to setup the mail server. Modify the ``ROOT`` setting
 to match your setup directory if different from ``/mailu``.
 
-Mdify the ``VERSION`` configuration in the ``.env`` file to reflect the version you picked..
+Mdify the ``VERSION`` configuration in the ``.env`` file to reflect the version you picked.
 
 Set the common configuration values
 -----------------------------------

docs/conf.py

@@ -41,12 +41,17 @@ html_context = {
 
 
 def setup(app):
-    """ The configuration acts as an extension itself.
+    """ The conf itself is an extension for parsing rst.
     """
-    def var_role(name, rawtext, text, lineno, inliner, options={}, content=[]):
-        return [docutils.nodes.Text(html_context.get(text, ""))], []
+    def rstjinja(app, docname, source):
+        """ Render our pages as a jinja template for fancy templating.
+        """
+        if app.builder.format != 'html':
+            return
+        source[0] = app.builder.templates.render_string(
+            source[0], app.config.html_context)
 
-    app.add_role("var", var_role)
+    app.connect("source-read", rstjinja)
 
 
 # Upload function when the script is called directly

docs/contributors/guide.rst

@@ -26,7 +26,7 @@ for trust in a specific branch of the project, we can switch to a shared
 repository and add a couple of trusted committers.
 
 Commits
-``````
+```````
 
 This is a community project, thus commits should be readable enough for any of
 the contributors to guess the content by simply reading the comment or find a