diff --git a/server/src/main.ts b/server/src/main.ts
index 87e7dcf..67e96c5 100644
--- a/server/src/main.ts
+++ b/server/src/main.ts
@@ -8,14 +8,15 @@ import { BadRequestExceptionFilter } from './system/filters/bad-request-exceptio
 import { AppValidationPipes } from './system/pipes/app-validation-pipe';
 
 import * as fs from 'fs';
+import { SocketIoAdapter } from './socket-adapter';
 
 async function bootstrap() {
   const httpsOptions = {
-    key: fs.readFileSync('ssl/key.pem'),
-    cert: fs.readFileSync('ssl/cert.pem'),
+    key: fs.readFileSync('ssl/localhost+1-key.pem'),
+    cert: fs.readFileSync('ssl/localhost+1.pem'),
   };
 
-  const app = await NestFactory.create(AppModule);
+  const app = await NestFactory.create(AppModule, { httpsOptions });
 
   const prefix_version = process.env.PREFIX_VERSION;
 
@@ -53,7 +54,12 @@ async function bootstrap() {
 
   useContainer(app.select(AppModule), { fallbackOnErrors: true });
 
-  await app.listen(Number(process.env.APP_PORT));
+  await app.listen(Number(process.env.APP_API_PORT));
+
+  // ===== App cho WebSocket (WS hoặc WSS) =====
+  const wsApp = await NestFactory.create(AppModule);
+  wsApp.useWebSocketAdapter(new SocketIoAdapter(wsApp));
+  await wsApp.listen(Number(process.env.APP_SOCKET_PORT));
 }
 
 bootstrap();
diff --git a/server/src/socket-adapter.ts b/server/src/socket-adapter.ts
new file mode 100644
index 0000000..c23afc4
--- /dev/null
+++ b/server/src/socket-adapter.ts
@@ -0,0 +1,12 @@
+import { IoAdapter } from '@nestjs/platform-socket.io';
+
+export class SocketIoAdapter extends IoAdapter {
+  createIOServer(port: number, options?: any): any {
+    const cors = {
+      origin: '*',
+      methods: ['GET', 'POST'],
+      credentials: true,
+    };
+    return super.createIOServer(port, { ...options, cors });
+  }
+}
diff --git a/server/ssl/cert.pem b/server/ssl/cert.pem
deleted file mode 100644
index 07b16dd..0000000
--- a/server/ssl/cert.pem
+++ /dev/null
@@ -1,23 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDvTCCAqWgAwIBAgIUV9payTNbqF6ZM2mCjfPLqSIicKwwDQYJKoZIhvcNAQEL
-BQAwbjELMAkGA1UEBhMCVk4xCzAJBgNVBAgMAlZOMQswCQYDVQQHDAJWTjELMAkG
-A1UECgwCVk4xCzAJBgNVBAsMAlZOMQswCQYDVQQDDAJWTjEeMBwGCSqGSIb3DQEJ
-ARYPYWRtaW5AZ21haWwuY29tMB4XDTI1MDgwNjA5MDQyMVoXDTI2MDgwNjA5MDQy
-MVowbjELMAkGA1UEBhMCVk4xCzAJBgNVBAgMAlZOMQswCQYDVQQHDAJWTjELMAkG
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-MmPsDIK81beLzVZ/JSRvShfncSdwGGxWWRZnUbKWbJXU4cKU3qCscKBTyB8Kmok0
-S6XumKi3HNSzAwFvrbzxaUilrTkOWO2QNp8nlkH8ZDfGE0ieCDvw+S1b0d4h7VKU
-Jg==
------END CERTIFICATE-----
diff --git a/server/ssl/key.pem b/server/ssl/key.pem
deleted file mode 100644
index 03d3e45..0000000
--- a/server/ssl/key.pem
+++ /dev/null
@@ -1,28 +0,0 @@
------BEGIN PRIVATE KEY-----
-MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQDBvpl7/64s4La8
-dlnAfQF5MsI96wF/y+AeS9TrCaQ+AOX26VjldYnFWGIHJre2QhkUtSV56NrP71yS
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-NmcRw4ExAMBAS6WtTezNtx2dN2StCKLMfQsfoMQ2J014fnqw0pgJswxyWMbR1LIS
-vvSukbujOOAEIllSpEIsaVM=
------END PRIVATE KEY-----
diff --git a/server/ssl/localhost+1-key.pem b/server/ssl/localhost+1-key.pem
new file mode 100644
index 0000000..ab3fa8e
--- /dev/null
+++ b/server/ssl/localhost+1-key.pem
@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
+MIIEvAIBADANBgkqhkiG9w0BAQEFAASCBKYwggSiAgEAAoIBAQDzbfy5PEmRtQY0
+V1wqQutWfUc3mCVTZaXym3RY2EHUBckM5iO5jf81gr0E4+CFaqaCiJukUns43WJg
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+VoKCR6lTe/Q6DaImnoAwCA==
+-----END PRIVATE KEY-----
diff --git a/server/ssl/localhost+1.pem b/server/ssl/localhost+1.pem
new file mode 100644
index 0000000..f6762e5
--- /dev/null
+++ b/server/ssl/localhost+1.pem
@@ -0,0 +1,25 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----