Standalone dns server

server/private/dnsServer.ts

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+/*
+ * This file is part of a proprietary work.
+ *
+ * Copyright (c) 2025-2026 Fossorial, Inc.
+ * All rights reserved.
+ *
+ * This file is licensed under the Fossorial Commercial License.
+ * You may not use this file except in compliance with the License.
+ * Unauthorized use, copying, modification, or distribution is strictly prohibited.
+ *
+ * This file is not licensed under the AGPLv3.
+ */
+
+// Standalone entry point that runs only the authoritative DNS server against
+// an existing Pangolin database, without the API, dashboard or schedulers.
+// Migrations are left to the main Pangolin server that owns the database.
+import "@server/extendZod";
+
+import logger from "@server/logger";
+import { privateConfig } from "#private/lib/config";
+import { rateLimitService } from "#private/lib/rateLimit";
+import { startDnsServer, stopDnsServer } from "./dns";
+
+async function start() {
+    if (!privateConfig.getRawPrivateConfig().dns?.enabled) {
+        throw new Error(
+            "DNS server is not enabled - set dns.enabled: true in the private config"
+        );
+    }
+
+    await startDnsServer({ requireLicense: false });
+
+    let stopping = false;
+    const shutdown = async () => {
+        if (stopping) return;
+        stopping = true;
+        try {
+            await stopDnsServer();
+            await rateLimitService.cleanup();
+        } catch (error) {
+            logger.error("Error during DNS server shutdown:", error);
+        }
+        process.exit(0);
+    };
+
+    process.on("SIGTERM", shutdown);
+    process.on("SIGINT", shutdown);
+}
+
+start().catch((error) => {
+    logger.error("Failed to start DNS server:", error);
+    process.exit(1);
+});