feat: add goatcounter analytics to PodcastItLater

- Add goatcounter NixOS service to Biz.nix (SQLite backend, port 8081)
- Add tracking script to UI.py PageLayout component
- Configure for proxy mode (behind Caddy)

2 files changed, 18 insertions, 0 deletions

diff --git a/Biz.nix b/Biz.nix
index 676fac8..ab79c1b 100755
--- a/Biz.nix
+++ b/Biz.nix
@@ -36,4 +36,12 @@ bild.os {
     package = packages.biz-deployer;
     manifestPackage = packages.deploy-manifest;
   };
+
+  # GoatCounter analytics - SQLite backend
+  services.goatcounter = {
+    enable = true;
+    address = "127.0.0.1";
+    port = 8081;
+    proxy = true; # Running behind Caddy reverse proxy
+  };
 }
diff --git a/Biz/PodcastItLater/UI.py b/Biz/PodcastItLater/UI.py
index d4b60a9..87b087e 100644
--- a/Biz/PodcastItLater/UI.py
+++ b/Biz/PodcastItLater/UI.py
@@ -128,6 +128,15 @@ def create_bootstrap_js() -> html.script:
     )
 
 
+def create_goatcounter_script() -> html.script:
+    """Load GoatCounter analytics script."""
+    return html.script(  # type: ignore[call-arg]
+        data_goatcounter="https://podcastitlater.goatcounter.com/count",
+        async_=True,
+        src="//gc.zgo.at/count.js",
+    )
+
+
 class PageLayoutAttrs(Attrs):
     """Attributes for PageLayout component."""
 
@@ -310,6 +319,7 @@ class PageLayout(Component[AnyChildren, PageLayoutAttrs]):
                 html.title(page_title),
                 *meta_tags,
                 create_htmx_script(),
+                create_goatcounter_script(),
             ),
             html.body(
                 create_bootstrap_styles(),