diff --git a/docs/_data/borgmatic.js b/docs/_data/borgmatic.js
new file mode 100644
index 0000000..5d76ca0
--- /dev/null
+++ b/docs/_data/borgmatic.js
@@ -0,0 +1,5 @@
+module.exports = function() {
+    return {
+        environment: process.env.NODE_ENV || "development"
+    };
+};
diff --git a/docs/_includes/layouts/main.njk b/docs/_includes/layouts/main.njk
index a7e5b66..81300ba 100644
--- a/docs/_includes/layouts/main.njk
+++ b/docs/_includes/layouts/main.njk
@@ -11,7 +11,7 @@ headerClass: elv-header-default
             {% set navPages = collections.all | eleventyNavigation %}
             {% macro renderNavListItem(entry) -%}
             <li{% if entry.url == page.url %} class="elv-toc-active"{% endif %}>
-              <a {% if entry.url %}href="https://torsion.org/borgmatic/docs{{ entry.url | url }}"{% endif %}>{{ entry.title }}</a>
+              <a {% if entry.url %}href="{% if borgmatic.environment == "production" %}https://torsion.org/borgmatic/docs{% else %}http://localhost:8080/docs{% endif %}{{ entry.url | url }}"{% endif %}>{{ entry.title }}</a>
             {%- if entry.children.length -%}
               <ul>
                 {%- for child in entry.children %}{{ renderNavListItem(child) }}{% endfor -%}
diff --git a/docs/docker-compose.yaml b/docs/docker-compose.yaml
index dfadf4a..9914ef2 100644
--- a/docs/docker-compose.yaml
+++ b/docs/docker-compose.yaml
@@ -9,7 +9,7 @@ services:
       dockerfile: docs/Dockerfile
       context: ..
       args:
-        ENVIRONMENT: dev
+        ENVIRONMENT: development
   message:
     image: alpine
     container_name: message