diff --git a/Docs/ServerConfig/hetzner/Caddyfile b/Docs/ServerConfig/hetzner/Caddyfile
index 33c4f55d87..33f97d0393 100644
--- a/Docs/ServerConfig/hetzner/Caddyfile
+++ b/Docs/ServerConfig/hetzner/Caddyfile
@@ -46,6 +46,13 @@ single.mapcomplete.org {
 	}
 }
 
+app.mapcomplete.org {
+	root * app/
+	file_server
+	header {
+		+Permissions-Policy "interest-cohort=()"
+	}
+}
 
 velopark.mapcomplete.org {
 	root * single_theme_builds/velopark/