Normalise case of Host header

1 files changed, 1 insertions, 1 deletions

diff --git a/src/app.ts b/src/app.ts
index 9735e79..a3c1c2f 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -135,7 +135,7 @@ export const server = {
   fetch: async function (request) {
     const url = new URL(request.url);
     const pathname = url.pathname.replace(/\/\/+/g, "/");
-    const hostname = request.headers.get("host") || "unknown";
+    const hostname = request.headers.get("host")?.toLowerCase() || "unknown";
     const endTimer = metrics.requestDuration.startTimer({ path: pathname });
     let status;
     let newpath;