feat: add healthcheck endpoints, Dockerfiles, and admin middleware configuration

admin/src/app/api/health/route.ts

@@ -0,0 +1,15 @@
+import { NextResponse } from 'next/server';
+
+export const dynamic = 'force-dynamic';
+
+export async function GET() {
+  return NextResponse.json(
+    {
+      status: 'ok',
+      service: 'afrohub-admin',
+      timestamp: new Date().toISOString(),
+      uptime: process.uptime(),
+    },
+    { status: 200 }
+  );
+}

admin/src/middleware.ts

@@ -6,6 +6,7 @@ import { getTabForPathname, hasTabPermission } from '@/lib/permissions';
 // Public endpoints and static resources
 const PUBLIC_PREFIXES = [
   '/login',
+  '/api/health',
   '/api/cron',
   '/api/external',
   '/_next',