diff --git a/docs/config.md b/docs/config.md
index b7ae1265..c6043cb8 100644
--- a/docs/config.md
+++ b/docs/config.md
@@ -139,7 +139,15 @@ using Docker Compose (i.e. `docker-compose.yml`):
 
 This generator helps you configure your self-hosted ntfy instance. It's not fully featured, but it is a good starting point. Please refer to the relevant sections in the doc for more details.
 
+<div style="text-align: center;">
 <button type="button" id="cg-open-btn" class="cg-open-btn">Open config generator</button>
+</div>
+
+<figure markdown style="padding-left: 50px; padding-right: 50px; cursor: pointer;" onclick="document.getElementById('cg-open-btn').click();">
+  <img src="../../static/img/config-generator.png"/>
+  <figcaption>The config generator helps you create a custom config for your self-hosted ntfy instance. Click to open.</figcaption>
+</figure>
+
 <div id="cg-modal" class="cg-modal" style="display:none">
 <div class="cg-modal-backdrop"></div>
 <div class="cg-modal-dialog">
diff --git a/docs/static/img/config-generator.png b/docs/static/img/config-generator.png
new file mode 100644
index 00000000..1fce59d1
Binary files /dev/null and b/docs/static/img/config-generator.png differ
diff --git a/docs/static/js/config-generator.js b/docs/static/js/config-generator.js
index 48c23db3..f00f547b 100644
--- a/docs/static/js/config-generator.js
+++ b/docs/static/js/config-generator.js
@@ -426,10 +426,26 @@
       }
     }
 
+    // Derive volumes from configured file/directory paths
+    const dirs = new Set();
+    ["auth-file", "cache-file", "web-push-file"].forEach((key) => {
+      if (values[key]) {
+        const dir = values[key].substring(0, values[key].lastIndexOf("/"));
+        if (dir) dirs.add(dir);
+      }
+    });
+    if (values["attachment-cache-dir"]) {
+      dirs.add(values["attachment-cache-dir"]);
+    }
+
+    if (dirs.size) {
+      lines.push("    volumes:");
+      [...dirs].sort().forEach((dir) => {
+        lines.push(`      - ${dir}:${dir}`);
+      });
+    }
+
     lines.push(
-      "    volumes:",
-      "      - /var/cache/ntfy:/var/cache/ntfy",
-      "      - /etc/ntfy:/etc/ntfy",
       "    ports:",
       "      - \"80:80\"",
       "    restart: unless-stopped"