fix: update Dockerfile and remove .next from git

app/not-found.tsx

@@ -0,0 +1,27 @@
+import Link from 'next/link'
+
+export default function NotFound() {
+    return (
+        <div className="min-h-screen bg-background flex flex-col items-center justify-center p-4">
+            <div className="text-center space-y-6 max-w-md">
+                <h1 className="text-9xl font-bold text-primary opacity-20 select-none">404</h1>
+
+                <div className="-mt-16 space-y-4">
+                    <h2 className="text-3xl font-bold text-white">Page not found</h2>
+                    <p className="text-gray-400">
+                        Sorry, we couldn't find the page you're looking for. It might have been moved or deleted.
+                    </p>
+                </div>
+
+                <div className="pt-8">
+                    <Link
+                        href="/"
+                        className="inline-flex items-center px-6 py-3 border border-transparent text-base font-medium rounded-full shadow-glow text-gray-900 bg-primary hover:brightness-110 transition-all focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-primary"
+                    >
+                        Return Home
+                    </Link>
+                </div>
+            </div>
+        </div>
+    )
+}