From de09b142394de275996012b9a14f1b9dbb7ab27d Mon Sep 17 00:00:00 2001
From: Thomas Richter <git@tricnet.de>
Date: Sun, 1 Feb 2026 13:23:12 +0100
Subject: [PATCH] feat(06-02): create health check endpoint

- Returns 200 'ok' when database is accessible
- Returns 503 'unhealthy' when database query fails
- Simple text response for Docker HEALTHCHECK
---
 src/routes/health/+server.ts | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 src/routes/health/+server.ts

diff --git a/src/routes/health/+server.ts b/src/routes/health/+server.ts
new file mode 100644
index 0000000..c49daa9
--- /dev/null
+++ b/src/routes/health/+server.ts
@@ -0,0 +1,22 @@
+import type { RequestHandler } from './$types';
+import { db } from '$lib/server/db';
+import { entries } from '$lib/server/db/schema';
+
+export const GET: RequestHandler = async () => {
+	try {
+		// Verify database connectivity with a simple query
+		db.select().from(entries).limit(1).all();
+
+		return new Response('ok', {
+			status: 200,
+			headers: { 'Content-Type': 'text/plain' }
+		});
+	} catch (error) {
+		console.error('Health check failed:', error);
+
+		return new Response('unhealthy', {
+			status: 503,
+			headers: { 'Content-Type': 'text/plain' }
+		});
+	}
+};