From de9f968d78fc1cd1eba53298d93244c4366737b9 Mon Sep 17 00:00:00 2001
From: Xe Iaso <me@xeiaso.net>
Date: Thu, 3 Oct 2024 09:56:51 -0400
Subject: [PATCH] app: make _healthz a real API route, match on k8s healthcheck
 user-agent

Signed-off-by: Xe Iaso <me@xeiaso.net>
---
 app/_healthz/route.ts    | 14 ++++++++++++++
 manifest/deployment.yaml |  4 +---
 public/_healthz          |  1 -
 3 files changed, 15 insertions(+), 4 deletions(-)
 create mode 100644 app/_healthz/route.ts
 delete mode 100644 public/_healthz

diff --git a/app/_healthz/route.ts b/app/_healthz/route.ts
new file mode 100644
index 0000000..59f4c8c
--- /dev/null
+++ b/app/_healthz/route.ts
@@ -0,0 +1,14 @@
+import { NextRequest, NextResponse } from "next/server";
+
+export const GET = async (req: NextRequest) => {
+  if (req.headers.get("user-agent") !== "healthz") {
+    return NextResponse.json({ error: "Not found" }, { status: 404 });
+  }
+
+  return new Response("OK", {
+    status: 200,
+    headers: {
+      "Content-Type": "text/plain",
+    },
+  });
+};
\ No newline at end of file
diff --git a/manifest/deployment.yaml b/manifest/deployment.yaml
index 205764c..59961ba 100644
--- a/manifest/deployment.yaml
+++ b/manifest/deployment.yaml
@@ -47,9 +47,7 @@ spec:
               path: /_healthz
               port: 3000
               httpHeaders:
-                - name: x-real-ip
-                  value: "100.100.100.100"
                 - name: user-agent
-                  value: "Kubernetes healthchecks"
+                  value: "healthz"
             initialDelaySeconds: 3
             periodSeconds: 3
\ No newline at end of file
diff --git a/public/_healthz b/public/_healthz
deleted file mode 100644
index a0aba93..0000000
--- a/public/_healthz
+++ /dev/null
@@ -1 +0,0 @@
-OK
\ No newline at end of file