diff --git a/appinfo/routes.php b/appinfo/routes.php
index 5216548..44c3475 100644
--- a/appinfo/routes.php
+++ b/appinfo/routes.php
@@ -7,6 +7,7 @@
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
+use OCA\Whiteboard\Controller\ExAppController;
 use OCA\Whiteboard\Controller\JWTController;
 use OCA\Whiteboard\Controller\SettingsController;
 use OCA\Whiteboard\Controller\WhiteboardController;
@@ -21,5 +22,7 @@
 		['name' => 'Whiteboard#show', 'url' => '{fileId}', 'verb' => 'GET'],
 		/** @see SettingsController::update() */
 		['name' => 'Settings#update', 'url' => 'settings', 'verb' => 'POST'],
+		/** @see ExAppController::updateSettings() */
+		['name' => 'ExApp#updateSettings', 'url' => 'ex_app/settings', 'verb' => 'POST'],
 	]
 ];
diff --git a/lib/AppInfo/Application.php b/lib/AppInfo/Application.php
index 766dd31..4d685c6 100644
--- a/lib/AppInfo/Application.php
+++ b/lib/AppInfo/Application.php
@@ -10,12 +10,14 @@
 
 namespace OCA\Whiteboard\AppInfo;
 
+use OCA\AppAPI\Middleware\AppAPIAuthMiddleware;
 use OCA\Files_Sharing\Event\BeforeTemplateRenderedEvent;
 use OCA\Viewer\Event\LoadViewer;
 use OCA\Whiteboard\Listener\AddContentSecurityPolicyListener;
 use OCA\Whiteboard\Listener\BeforeTemplateRenderedListener;
 use OCA\Whiteboard\Listener\LoadViewerListener;
 use OCA\Whiteboard\Listener\RegisterTemplateCreatorListener;
+use OCA\Whiteboard\Service\ExAppService;
 use OCP\AppFramework\App;
 use OCP\AppFramework\Bootstrap\IBootContext;
 use OCP\AppFramework\Bootstrap\IBootstrap;
@@ -25,6 +27,9 @@
 use OCP\IL10N;
 use OCP\Security\CSP\AddContentSecurityPolicyEvent;
 use OCP\Util;
+use Psr\Container\ContainerExceptionInterface;
+use Psr\Container\NotFoundExceptionInterface;
+use Throwable;
 
 /**
  * @psalm-suppress UndefinedClass
@@ -37,6 +42,10 @@ public function __construct(array $params = []) {
 		parent::__construct(self::APP_ID, $params);
 	}
 
+	/**
+	 * @throws ContainerExceptionInterface
+	 * @throws NotFoundExceptionInterface
+	 */
 	public function register(IRegistrationContext $context): void {
 		include_once __DIR__ . '/../../vendor/autoload.php';
 
@@ -44,8 +53,16 @@ public function register(IRegistrationContext $context): void {
 		$context->registerEventListener(LoadViewer::class, LoadViewerListener::class);
 		$context->registerEventListener(RegisterTemplateCreatorEvent::class, RegisterTemplateCreatorListener::class);
 		$context->registerEventListener(BeforeTemplateRenderedEvent::class, BeforeTemplateRenderedListener::class);
+
+		if (class_exists(AppAPIAuthMiddleware::class) && $this->getExAppService()->isWhiteboardWebsocketEnabled()) {
+			$context->registerMiddleware(AppAPIAuthMiddleware::class);
+		}
 	}
 
+	/**
+	 * @throws ContainerExceptionInterface
+	 * @throws Throwable
+	 */
 	public function boot(IBootContext $context): void {
 		[$major] = Util::getVersion();
 		if ($major < 30) {
@@ -55,5 +72,15 @@ public function boot(IBootContext $context): void {
 				});
 			});
 		}
+
+		$this->getExAppService()->initFrontendState();
+	}
+
+	/**
+	 * @throws ContainerExceptionInterface
+	 * @throws NotFoundExceptionInterface
+	 */
+	private function getExAppService(): ExAppService {
+		return $this->getContainer()->get(ExAppService::class);
 	}
 }
diff --git a/lib/Consts/ExAppConsts.php b/lib/Consts/ExAppConsts.php
new file mode 100644
index 0000000..0752736
--- /dev/null
+++ b/lib/Consts/ExAppConsts.php
@@ -0,0 +1,16 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+declare(strict_types=1);
+
+namespace OCA\Whiteboard\Consts;
+
+final class ExAppConsts {
+	public const APP_API_ID = 'app_api';
+	public const WHITEBOARD_EX_APP_ID = 'whiteboard_websocket';
+	public const WHITEBOARD_EX_APP_ENABLED_KEY = 'isWhiteboardWebsocketEnabled';
+}
diff --git a/lib/Controller/ExAppController.php b/lib/Controller/ExAppController.php
new file mode 100644
index 0000000..64e69cf
--- /dev/null
+++ b/lib/Controller/ExAppController.php
@@ -0,0 +1,58 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Whiteboard\Controller;
+
+use Exception;
+use OCA\AppAPI\Attribute\AppAPIAuth;
+use OCA\Whiteboard\Service\ConfigService;
+use OCA\Whiteboard\Service\ExceptionService;
+use OCP\AppFramework\Controller;
+use OCP\AppFramework\Http\Attribute\NoCSRFRequired;
+use OCP\AppFramework\Http\Attribute\PublicPage;
+use OCP\AppFramework\Http\DataResponse;
+use OCP\IRequest;
+
+/**
+ * @psalm-suppress UndefinedClass
+ * @psalm-suppress MissingDependency
+ */
+final class ExAppController extends Controller {
+	public function __construct(
+		IRequest                 $request,
+		private ExceptionService $exceptionService,
+		private ConfigService    $configService,
+	) {
+		parent::__construct('whiteboard', $request);
+	}
+
+	#[NoCSRFRequired]
+	#[PublicPage]
+	#[AppAPIAuth]
+	public function updateSettings(): DataResponse {
+		try {
+			$serverUrl = $this->request->getParam('serverUrl');
+			$secret = $this->request->getParam('secret');
+
+			if ($serverUrl !== null) {
+				$this->configService->setCollabBackendUrl($serverUrl);
+			}
+
+			if ($secret !== null) {
+				$this->configService->setWhiteboardSharedSecret($secret);
+			}
+
+			return new DataResponse([
+				'message' => 'Settings updated',
+			]);
+		} catch (Exception $e) {
+			return $this->exceptionService->handleException($e);
+		}
+	}
+}
diff --git a/lib/Controller/SettingsController.php b/lib/Controller/SettingsController.php
index da3afcd..227a7b9 100644
--- a/lib/Controller/SettingsController.php
+++ b/lib/Controller/SettingsController.php
@@ -23,10 +23,10 @@
  */
 final class SettingsController extends Controller {
 	public function __construct(
-		IRequest $request,
+		IRequest                 $request,
 		private ExceptionService $exceptionService,
-		private JWTService $jwtService,
-		private ConfigService $configService,
+		private JWTService       $jwtService,
+		private ConfigService    $configService,
 	) {
 		parent::__construct('whiteboard', $request);
 	}
@@ -45,7 +45,7 @@ public function update(): DataResponse {
 			}
 
 			return new DataResponse([
-				'jwt' => $this->jwtService->generateJWTFromPayload([ 'serverUrl' => $serverUrl ])
+				'jwt' => $this->jwtService->generateJWTFromPayload(['serverUrl' => $serverUrl])
 			]);
 		} catch (Exception $e) {
 			return $this->exceptionService->handleException($e);
diff --git a/lib/Service/ExAppService.php b/lib/Service/ExAppService.php
new file mode 100644
index 0000000..f52870d
--- /dev/null
+++ b/lib/Service/ExAppService.php
@@ -0,0 +1,66 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Whiteboard\Service;
+
+use OCA\AppAPI\Service\ExAppService as AppAPIService;
+use OCA\Whiteboard\Consts\ExAppConsts;
+use OCP\App\IAppManager;
+use OCP\AppFramework\Services\IInitialState;
+use Psr\Container\ContainerInterface;
+use Psr\Log\LoggerInterface;
+use Throwable;
+
+final class ExAppService {
+	private ?AppAPIService $appAPIService = null;
+
+	public function __construct(
+		private IAppManager        $appManager,
+		private ContainerInterface $container,
+		private IInitialState      $initialState,
+		private LoggerInterface    $logger
+	) {
+		$this->initAppAPIService();
+	}
+
+	private function initAppAPIService(): void {
+		$isAppAPIEnabled = $this->isAppAPIEnabled();
+
+		if (class_exists(AppAPIService::class) && $isAppAPIEnabled) {
+			try {
+				$this->appAPIService = $this->container->get(AppAPIService::class);
+			} catch (Throwable $e) {
+				$this->logger->error('exApp', [$e->getMessage()]);
+			}
+		}
+	}
+
+	private function isAppAPIEnabled(): bool {
+		return $this->appManager->isEnabledForUser(ExAppConsts::APP_API_ID);
+	}
+
+	public function isExAppEnabled(string $appId): bool {
+		if ($this->appAPIService === null) {
+			return false;
+		}
+
+		return $this->appAPIService->getExApp($appId)?->getEnabled() === 1;
+	}
+
+	public function isWhiteboardWebsocketEnabled(): bool {
+		return $this->isExAppEnabled(ExAppConsts::WHITEBOARD_EX_APP_ID);
+	}
+
+	public function initFrontendState(): void {
+		$this->initialState->provideInitialState(
+			ExAppConsts::WHITEBOARD_EX_APP_ENABLED_KEY,
+			$this->isWhiteboardWebsocketEnabled()
+		);
+	}
+}
diff --git a/lib/Settings/Admin.php b/lib/Settings/Admin.php
index 0029054..0929efe 100644
--- a/lib/Settings/Admin.php
+++ b/lib/Settings/Admin.php
@@ -7,6 +7,7 @@
 namespace OCA\Whiteboard\Settings;
 
 use OCA\Whiteboard\Service\ConfigService;
+use OCA\Whiteboard\Service\ExAppService;
 use OCA\Whiteboard\Service\JWTService;
 use OCP\AppFramework\Http\ContentSecurityPolicy;
 use OCP\AppFramework\Http\TemplateResponse;
@@ -18,6 +19,7 @@ public function __construct(
 		private IInitialState $initialState,
 		private ConfigService $configService,
 		private JWTService $jwtService,
+		private ExAppService $exAppService,
 	) {
 	}
 
@@ -37,11 +39,15 @@ public function getForm(): TemplateResponse {
 		return $response;
 	}
 
-	public function getSection() {
+	public function getSection(): ?string {
+		if ($this->exAppService->isWhiteboardWebsocketEnabled()) {
+			return null;
+		}
+
 		return 'whiteboard';
 	}
 
-	public function getPriority() {
+	public function getPriority(): int {
 		return 0;
 	}
 }
diff --git a/lib/Settings/Section.php b/lib/Settings/Section.php
index 41df403..384a2a8 100644
--- a/lib/Settings/Section.php
+++ b/lib/Settings/Section.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
  * SPDX-License-Identifier: AGPL-3.0-or-later
@@ -6,6 +7,7 @@
 
 namespace OCA\Whiteboard\Settings;
 
+use OCA\Whiteboard\Service\ExAppService;
 use OCP\IL10N;
 use OCP\IURLGenerator;
 use OCP\Settings\IIconSection;
@@ -14,6 +16,7 @@ class Section implements IIconSection {
 	public function __construct(
 		private IURLGenerator $url,
 		private IL10N $l10n,
+		private ExAppService $exAppService,
 	) {
 	}
 
diff --git a/src/collaboration/Portal.ts b/src/collaboration/Portal.ts
index fcbcc2a..2b342b0 100644
--- a/src/collaboration/Portal.ts
+++ b/src/collaboration/Portal.ts
@@ -7,7 +7,11 @@
 import type { ExcalidrawElement } from '@excalidraw/excalidraw/types/element/types'
 import { io, type Socket } from 'socket.io-client'
 import type { Collab } from './collab'
-import type { AppState, BinaryFiles, Gesture } from '@excalidraw/excalidraw/types/types'
+import type {
+	AppState,
+	BinaryFiles,
+	Gesture,
+} from '@excalidraw/excalidraw/types/types'
 import axios from '@nextcloud/axios'
 import { loadState } from '@nextcloud/initial-state'
 import { generateUrl } from '@nextcloud/router'
@@ -24,7 +28,11 @@ export class Portal {
 	collab: Collab
 	publicSharingToken: string | null
 
-	constructor(roomId: string, collab: Collab, publicSharingToken: string | null) {
+	constructor(
+		roomId: string,
+		collab: Collab,
+		publicSharingToken: string | null,
+	) {
 		this.roomId = roomId
 		this.collab = collab
 		this.publicSharingToken = publicSharingToken
@@ -37,6 +45,7 @@ export class Portal {
 
 		const url = new URL(collabBackendUrl)
 		const path = url.pathname.replace(/\/$/, '') + '/socket.io'
+		const isWhiteboardWebsocketEnabled = loadState('whiteboard', 'isWhiteboardWebsocketEnabled', false)
 
 		const socket = io(url.origin, {
 			path,
@@ -44,7 +53,7 @@ export class Portal {
 			auth: {
 				token,
 			},
-			transports: ['websocket'],
+			transports: isWhiteboardWebsocketEnabled ? ['polling'] : ['websocket'],
 			timeout: 10000,
 		}).connect()
 
@@ -66,9 +75,7 @@ export class Portal {
 	}
 
 	handleConnectionError = () => {
-		alert(
-			'Failed to connect to the whiteboard server.',
-		)
+		alert('Failed to connect to the whiteboard server.')
 		OCA.Viewer?.close()
 	}
 
@@ -161,29 +168,29 @@ export class Portal {
 
 	async refreshJWT(): Promise<string | null> {
 		try {
-		  let url = generateUrl(`apps/whiteboard/${this.roomId}/token`)
-		  if (this.publicSharingToken) {
+			let url = generateUrl(`apps/whiteboard/${this.roomId}/token`)
+			if (this.publicSharingToken) {
 				url += `?publicSharingToken=${encodeURIComponent(this.publicSharingToken)}`
-		  }
+			}
 
-		  const response = await axios.get(url, { withCredentials: true })
+			const response = await axios.get(url, { withCredentials: true })
 
-		  const token = response.data.token
+			const token = response.data.token
 
-		  console.log('token', token)
+			console.log('token', token)
 
-		  if (!token) throw new Error('No token received')
+			if (!token) throw new Error('No token received')
 
-		  localStorage.setItem(`jwt-${this.roomId}`, token)
+			localStorage.setItem(`jwt-${this.roomId}`, token)
 
-		  return token
+			return token
 		} catch (error) {
-		  console.error('Error refreshing JWT:', error)
-		  alert(error.message)
-		  OCA.Viewer?.close()
-		  return null
+			console.error('Error refreshing JWT:', error)
+			alert(error.message)
+			OCA.Viewer?.close()
+			return null
 		}
-	  }
+	}
 
 	async _broadcastSocketData(
 		data: {
@@ -241,7 +248,7 @@ export class Portal {
 	}
 
 	async sendImageFiles(files: BinaryFiles) {
-		Object.values(files).forEach(file => {
+		Object.values(files).forEach((file) => {
 			this.collab.addFile(file)
 			this.socket?.emit('image-add', this.roomId, file.id, file)
 		})
diff --git a/tests/integration/socket.spec.mjs b/tests/integration/socket.spec.mjs
index 292f9cc..0f3505f 100644
--- a/tests/integration/socket.spec.mjs
+++ b/tests/integration/socket.spec.mjs
@@ -1,6 +1,6 @@
 import { beforeAll, afterAll, describe, it, expect, vi } from 'vitest'
 import ServerManager from '../../websocket_server/ServerManager.js'
-import io from 'socket.io-client'
+import { io } from 'socket.io-client'
 import jwt from 'jsonwebtoken'
 import Utils from '../../websocket_server/Utils.js'
 
diff --git a/websocket_server/.dockerignore b/websocket_server/.dockerignore
new file mode 100644
index 0000000..d1a9db3
--- /dev/null
+++ b/websocket_server/.dockerignore
@@ -0,0 +1,3 @@
+node_modules/
+*.pem
+appinfo
diff --git a/websocket_server/.gitignore b/websocket_server/.gitignore
index b5ef181..cec33c5 100644
--- a/websocket_server/.gitignore
+++ b/websocket_server/.gitignore
@@ -2,3 +2,4 @@
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
 *.pem
+node_modules/
diff --git a/websocket_server/ApiService.js b/websocket_server/ApiService.js
index ce8c039..7c36cd1 100644
--- a/websocket_server/ApiService.js
+++ b/websocket_server/ApiService.js
@@ -13,8 +13,8 @@ dotenv.config()
 
 export default class ApiService {
 
-	constructor(tokenGenerator) {
-		this.NEXTCLOUD_URL = process.env.NEXTCLOUD_URL
+	constructor(tokenGenerator, setupType) {
+		this.NEXTCLOUD_URL = setupType.getNextcloudUrl()
 		this.IS_DEV = Utils.parseBooleanFromEnv(process.env.IS_DEV)
 		this.agent = this.IS_DEV ? new https.Agent({ rejectUnauthorized: false }) : null
 		this.tokenGenerator = tokenGenerator
diff --git a/websocket_server/AppManager.js b/websocket_server/AppManager.js
index e9e95f3..0be39f1 100644
--- a/websocket_server/AppManager.js
+++ b/websocket_server/AppManager.js
@@ -3,25 +3,31 @@
  * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
+/* eslint-disable no-console */
+
 import dotenv from 'dotenv'
 import express from 'express'
 import PrometheusDataManager from './PrometheusDataManager.js'
-
+import fetch from 'node-fetch'
+import getOrCreateJwtSecretKey from './JwtSecretManager.js'
 dotenv.config()
 
 export default class AppManager {
 
-	constructor(storageManager) {
+	constructor(storageManager, setupType) {
 		this.app = express()
-		this.storageManager = storageManager
 		this.metricsManager = new PrometheusDataManager(storageManager)
 		this.METRICS_TOKEN = process.env.METRICS_TOKEN
+		this.JWT_SECRET_KEY = getOrCreateJwtSecretKey()
 		this.setupRoutes()
+		this.setupType = setupType
 	}
 
 	setupRoutes() {
 		this.app.get('/', this.homeHandler.bind(this))
 		this.app.get('/metrics', this.metricsHandler.bind(this))
+		this.app.get('/heartbeat', this.heartbeatHandler.bind(this))
+		this.app.put('/enabled', express.json(), this.enabledHandler.bind(this))
 	}
 
 	homeHandler(req, res) {
@@ -39,6 +45,66 @@ export default class AppManager {
 		res.end(metrics)
 	}
 
+	heartbeatHandler(req, res) {
+		res.status(200).json({ status: 'ok' })
+	}
+
+	async enabledHandler(req, res) {
+		try {
+			const authHeader = req.headers['authorization-app-api']
+
+			if (!authHeader) {
+				return res
+					.status(401)
+					.send('Unauthorized: Missing AUTHORIZATION-APP-API header')
+			}
+
+			const [userId, appSecret] = Buffer.from(authHeader, 'base64')
+				.toString()
+				.split(':')
+			if (appSecret !== process.env.APP_SECRET) {
+				return res.status(401).send('Unauthorized: Invalid APP_SECRET')
+			}
+
+			const headers = {
+				'EX-APP-ID': process.env.APP_ID,
+				'EX-APP-VERSION': process.env.APP_VERSION,
+				'OCS-APIRequest': 'true',
+				'AUTHORIZATION-APP-API': Buffer.from(
+					`${userId}:${process.env.APP_SECRET}`,
+				).toString('base64'),
+				'Content-Type': 'application/json',
+			}
+
+			const response = await fetch(
+				`${this.setupType.getNextcloudUrl()}/index.php/apps/whiteboard/ex_app/settings`,
+				{
+					method: 'POST',
+					headers,
+					body: JSON.stringify({
+						serverUrl: `${this.setupType.getNextcloudSocketUrl()}/index.php/apps/app_api/proxy/whiteboard_websocket`,
+						secret: this.JWT_SECRET_KEY,
+					}),
+				},
+			)
+
+			if (!response.ok) {
+				const responseBody = await response.text()
+				throw new Error(
+					`HTTP error! status: ${response.status}, body: ${responseBody}`,
+				)
+			}
+
+			const data = await response.json()
+			res.status(200).json(data)
+		} catch (error) {
+			console.error('Error updating Nextcloud config:', error)
+			res
+				.status(500)
+				.send(`Failed to update Nextcloud configuration: ${error.message}`)
+		}
+	}
+
 	getApp() {
 		return this.app
 	}
diff --git a/websocket_server/Dockerfile b/websocket_server/Dockerfile
new file mode 100755
index 0000000..a94eae5
--- /dev/null
+++ b/websocket_server/Dockerfile
@@ -0,0 +1,28 @@
+FROM node:22.9.0-alpine3.20 AS build
+SHELL ["/bin/ash", "-eo", "pipefail", "-c"]
+ARG NODE_ENV=production
+COPY ./ /app
+WORKDIR /app
+RUN apk upgrade --no-cache -a && \
+    apk add --no-cache ca-certificates && \
+    npm install --global clean-modules && \
+    npm clean-install && \
+    clean-modules --yes && \
+    npm cache clean --force
+
+FROM node:22.9.0-alpine3.20
+COPY --from=build --chown=nobody:nobody /app /app
+WORKDIR /app
+RUN apk upgrade --no-cache -a && \
+    apk add --no-cache ca-certificates tzdata netcat-openbsd curl
+
+ENV PORT=23000
+ENV TLS=false
+ENV STORAGE_STRATEGY=lru
+ENV SETUP_TYPE=ex_app
+ENV NEXTCLOUD_EX_APP_URL=http://nextcloud
+
+USER nobody
+EXPOSE 23000
+ENTRYPOINT ["npm", "run", "start"]
+HEALTHCHECK CMD nc -z 127.0.0.1 23000 || exit 1
diff --git a/websocket_server/JwtSecretManager.js b/websocket_server/JwtSecretManager.js
new file mode 100644
index 0000000..b152ece
--- /dev/null
+++ b/websocket_server/JwtSecretManager.js
@@ -0,0 +1,22 @@
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+/* eslint-disable no-console */
+
+import crypto from 'crypto'
+import dotenv from 'dotenv'
+
+dotenv.config()
+
+export default function getOrCreateJwtSecretKey() {
+	if (!process.env.JWT_SECRET_KEY) {
+		const newSecret = crypto.randomBytes(32).toString('hex')
+		process.env.JWT_SECRET_KEY = newSecret
+		console.log('Generated new JWT_SECRET_KEY:', newSecret)
+	} else {
+		console.log('Using existing JWT_SECRET_KEY from environment')
+	}
+	return process.env.JWT_SECRET_KEY
+}
diff --git a/websocket_server/ServerManager.js b/websocket_server/ServerManager.js
index 4068bbb..89cff46 100644
--- a/websocket_server/ServerManager.js
+++ b/websocket_server/ServerManager.js
@@ -16,6 +16,7 @@ import RoomDataManager from './RoomDataManager.js'
 import AppManager from './AppManager.js'
 import SocketManager from './SocketManager.js'
 import Utils from './Utils.js'
+import SetupType from './SetupType.js'
 
 export default class ServerManager {
 
@@ -23,12 +24,13 @@ export default class ServerManager {
 		this.config = config
 		this.closing = false
 		this.tokenGenerator = new SharedTokenGenerator()
-		this.apiService = new ApiService(this.tokenGenerator)
+		this.setupType = new SetupType()
+		this.apiService = new ApiService(this.tokenGenerator, this.setupType)
 		this.storageManager = StorageManager.create(this.config.storageStrategy, this.apiService)
 		this.roomDataManager = new RoomDataManager(this.storageManager, this.apiService)
-		this.appManager = new AppManager(this.storageManager)
+		this.appManager = new AppManager(this.storageManager, this.setupType)
 		this.server = this.createConfiguredServer(this.appManager.getApp())
-		this.socketManager = new SocketManager(this.server, this.roomDataManager, this.storageManager)
+		this.socketManager = new SocketManager(this.server, this.roomDataManager, this.storageManager, this.setupType)
 	}
 
 	readTlsCredentials(keyPath, certPath) {
diff --git a/websocket_server/SetupType.js b/websocket_server/SetupType.js
new file mode 100644
index 0000000..5c1d522
--- /dev/null
+++ b/websocket_server/SetupType.js
@@ -0,0 +1,28 @@
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+import dotenv from 'dotenv'
+import Utils from './Utils.js'
+dotenv.config()
+
+export default class SetupType {
+
+	getSetupType() {
+		return process.env.SETUP_TYPE || 'standalone'
+	}
+
+	isExApp() {
+		return this.getSetupType() === 'ex_app'
+	}
+
+	getNextcloudUrl() {
+		return (this.isExApp() ? process.env.NEXTCLOUD_EX_APP_URL : this.getNextcloudSocketUrl())
+	}
+
+	getNextcloudSocketUrl() {
+		return Utils.getOriginFromUrl(process.env.NEXTCLOUD_URL) || 'http://nextcloud.local'
+	}
+
+}
diff --git a/websocket_server/SharedTokenGenerator.js b/websocket_server/SharedTokenGenerator.js
index b3a63b6..7f531fb 100644
--- a/websocket_server/SharedTokenGenerator.js
+++ b/websocket_server/SharedTokenGenerator.js
@@ -5,13 +5,14 @@
 
 import crypto from 'crypto'
 import dotenv from 'dotenv'
+import getOrCreateJwtSecretKey from './JwtSecretManager.js'
 
 dotenv.config()
 
 export default class SharedTokenGenerator {
 
 	constructor() {
-		this.SHARED_SECRET = process.env.JWT_SECRET_KEY
+		this.SHARED_SECRET = getOrCreateJwtSecretKey()
 	}
 
 	handle(roomId) {
diff --git a/websocket_server/SocketManager.js b/websocket_server/SocketManager.js
index de45e32..6c9ebcc 100644
--- a/websocket_server/SocketManager.js
+++ b/websocket_server/SocketManager.js
@@ -17,7 +17,7 @@ dotenv.config()
 
 export default class SocketManager {
 
-	constructor(server, roomDataManager, storageManager) {
+	constructor(server, roomDataManager, storageManager, setupType) {
 		this.roomDataManager = roomDataManager
 		this.storageManager = storageManager
 		this.socketDataManager = new SocketDataManager(storageManager)
@@ -25,7 +25,7 @@ export default class SocketManager {
 		this.io = new SocketIO(server, {
 			transports: ['websocket', 'polling'],
 			cors: {
-				origin: process.env.NEXTCLOUD_URL || 'http://nextcloud.local',
+				origin: setupType.getNextcloudSocketUrl(),
 				methods: ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS'],
 				credentials: true,
 			},
diff --git a/websocket_server/Utils.js b/websocket_server/Utils.js
index ac0d606..c888a62 100644
--- a/websocket_server/Utils.js
+++ b/websocket_server/Utils.js
@@ -17,4 +17,8 @@ export default class Utils {
 		return value === 'true'
 	}
 
+	static getOriginFromUrl(url) {
+		return new URL(url).origin
+	}
+
 }
diff --git a/websocket_server/appinfo/info.xml b/websocket_server/appinfo/info.xml
new file mode 100755
index 0000000..6c40a2f
--- /dev/null
+++ b/websocket_server/appinfo/info.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0"?>
+<info>
+    <id>whiteboard_websocket</id>
+    <name>Whiteboard WebSocket Server</name>
+    <summary>WebSocket server for Whiteboard app</summary>
+    <description>A WebSocket server implementation as an external app for Nextcloud Whiteboard</description>
+    <version>0.0.1</version>
+    <licence>AGPL</licence>
+    <author>Nextcloud GmbH</author>
+    <namespace>WhiteboardWebSocket</namespace>
+    <category>tools</category>
+    <bugs>https://your-github-repo/issues</bugs>
+    <dependencies>
+        <nextcloud min-version="27" max-version="30"/>
+    </dependencies>
+    <external-app>
+        <docker-install>
+            <registry>docker.io</registry>
+            <image>hweihwang/whiteboard_websocket</image>
+            <image-tag>latest</image-tag>
+        </docker-install>
+		<routes>
+			<route>
+				<url>.*</url>
+				<verb>GET,POST,PUT,DELETE,OPTIONS</verb>
+				<access_level>PUBLIC</access_level>
+				<headers_to_exclude>[]</headers_to_exclude>
+				<bruteforce_protection>[401, 500]</bruteforce_protection>
+			</route>
+		</routes>
+    </external-app>
+</info>
diff --git a/websocket_server/package-lock.json b/websocket_server/package-lock.json
new file mode 100644
index 0000000..8bbd215
--- /dev/null
+++ b/websocket_server/package-lock.json
@@ -0,0 +1,1595 @@
+{
+  "name": "whiteboard-websocket",
+  "version": "0.0.1",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "whiteboard-websocket",
+      "version": "0.0.1",
+      "license": "AGPL-3.0-or-later",
+      "dependencies": {
+        "@socket.io/redis-streams-adapter": "^0.2.2",
+        "dotenv": "^16.4.5",
+        "express": "^5.0.0",
+        "jsonwebtoken": "^9.0.2",
+        "lru-cache": "^11.0.1",
+        "node-fetch": "^3.3.2",
+        "prom-client": "^14.2.0",
+        "redis": "^4.7.0",
+        "socket.io": "^4.7.5",
+        "socket.io-prometheus": "^0.3.0"
+      }
+    },
+    "node_modules/@msgpack/msgpack": {
+      "version": "2.8.0",
+      "resolved": "https://registry.npmjs.org/@msgpack/msgpack/-/msgpack-2.8.0.tgz",
+      "integrity": "sha512-h9u4u/jiIRKbq25PM+zymTyW6bhTzELvOoUd+AvYriWOAKpLGnIamaET3pnHYoI5iYphAHBI4ayx0MehR+VVPQ==",
+      "license": "ISC",
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/@redis/bloom": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/@redis/bloom/-/bloom-1.2.0.tgz",
+      "integrity": "sha512-HG2DFjYKbpNmVXsa0keLHp/3leGJz1mjh09f2RLGGLQZzSHpkmZWuwJbAvo3QcRY8p80m5+ZdXZdYOSBLlp7Cg==",
+      "license": "MIT",
+      "peerDependencies": {
+        "@redis/client": "^1.0.0"
+      }
+    },
+    "node_modules/@redis/client": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/@redis/client/-/client-1.6.0.tgz",
+      "integrity": "sha512-aR0uffYI700OEEH4gYnitAnv3vzVGXCFvYfdpu/CJKvk4pHfLPEy/JSZyrpQ+15WhXe1yJRXLtfQ84s4mEXnPg==",
+      "license": "MIT",
+      "dependencies": {
+        "cluster-key-slot": "1.1.2",
+        "generic-pool": "3.9.0",
+        "yallist": "4.0.0"
+      },
+      "engines": {
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+      "license": "MIT",
+      "peerDependencies": {
+        "@redis/client": "^1.0.0"
+      }
+    },
+    "node_modules/@redis/json": {
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+      "license": "MIT",
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+      }
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+      "license": "MIT",
+      "peerDependencies": {
+        "@redis/client": "^1.0.0"
+      }
+    },
+    "node_modules/@redis/time-series": {
+      "version": "1.1.0",
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+      "license": "MIT",
+      "peerDependencies": {
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+      }
+    },
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+      "license": "MIT"
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+      "license": "MIT",
+      "dependencies": {
+        "@msgpack/msgpack": "~2.8.0",
+        "debug": "~4.3.1"
+      },
+      "engines": {
+        "node": ">=14.0.0"
+      },
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diff --git a/websocket_server/package.json b/websocket_server/package.json
new file mode 100755
index 0000000..98277ad
--- /dev/null
+++ b/websocket_server/package.json
@@ -0,0 +1,23 @@
+{
+  "name": "whiteboard-websocket",
+  "version": "0.0.1",
+  "license": "AGPL-3.0-or-later",
+  "private": true,
+  "type": "module",
+  "main": "main.js",
+  "scripts": {
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+  },
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+    "socket.io": "^4.7.5",
+    "socket.io-prometheus": "^0.3.0",
+    "lru-cache": "^11.0.1"
+  }
+}