feat: debug endpoint

app/api/debug/route.ts

@@ -0,0 +1,92 @@
+import { adminCheck } from "@/lib/auth";
+import { db } from "@/lib/db";
+import { redis } from "@/lib/db/redis";
+import { env } from "bun";
+import { sql } from "drizzle-orm";
+
+async function probe(name: string, fn: () => Promise<unknown>) {
+  const started = performance.now();
+
+  try {
+    const result = await fn();
+
+    return {
+      name,
+      ok: true,
+      latencyMs: performance.now() - started,
+      result,
+    };
+  } catch (error) {
+    return {
+      name,
+      ok: false,
+      latencyMs: performance.now() - started,
+      error:
+        error instanceof Error
+          ? {
+              name: error.name,
+              message: error.message,
+              stack: error.stack,
+              cause: error.cause,
+            }
+          : error,
+    };
+  }
+}
+
+export async function GET(request: Request) {
+  if (!adminCheck()) {
+    return new Response("Unauthorized", { status: 401 });
+  }
+
+  const probes = await Promise.all([
+    probe("redis", async () => {
+      const started = performance.now();
+      const result = await redis?.ping();
+
+      return {
+        result,
+        latencyMs: performance.now() - started,
+      };
+    }),
+
+    probe("postgres", async () => {
+      const started = performance.now();
+      const result = await db.execute(sql`SELECT 1`);
+
+      return {
+        result,
+        latencyMs: performance.now() - started,
+      };
+    }),
+  ]);
+
+  return Response.json({
+    timestamp: new Date().toISOString(),
+
+    runtime: {
+      bun: Bun.version,
+      node: process.version,
+      platform: process.platform,
+      arch: process.arch,
+      pid: process.pid,
+      uptime: process.uptime(),
+      cwd: process.cwd(),
+    },
+
+    memory: process.memoryUsage(),
+
+    eventLoop: {
+      now: performance.now(),
+    },
+
+    request: {
+      url: request.url,
+      headers: Object.fromEntries(request.headers),
+    },
+
+    env,
+
+    probes,
+  });
+}