Switch from nginx to caddy

hosting/Caddyfile

@@ -0,0 +1,13 @@
+:8080 {
+    # 1. Exact match redirect from root to the repo
+    redir / /fdroid/repo/ 302
+    
+    # 2. Redirect without trailing slash to ensure correct routing
+    redir /fdroid/repo /fdroid/repo/ 302
+
+    # 3. Strip '/fdroid/repo' from the URL and serve the underlying files
+    handle_path /fdroid/repo/* {
+        root * /repo/fdroid/repo
+        file_server browse
+    }
+}

hosting/nginx-http.conf

@@ -1,13 +0,0 @@
-server {
-    listen 8080;
-    server_name = fdroid.julian-mutter.de;
-
-    location = / {
-        return 302 /fdroid/repo;
-    }
-
-    location /fdroid/repo {
-        alias /repo/fdroid/repo/;
-        autoindex on;
-    }
-}