diff --git a/client/src/pages/DeployPage.tsx b/client/src/pages/DeployPage.tsx
index e447d19..973fd8d 100644
--- a/client/src/pages/DeployPage.tsx
+++ b/client/src/pages/DeployPage.tsx
@@ -34,7 +34,7 @@ export default function DeployPage() {
       const response = await fetch('/api/deploy', {
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({ name }),
+        body: JSON.stringify({ name, lang }),
       });
 
       const data = await response.json();
diff --git a/src/index.ts b/src/index.ts
index 7a13297..c1af764 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -10,9 +10,10 @@ import type { DeploymentState as OrchestratorDeploymentState } from './orchestra
 const PORT = parseInt(process.env.PORT || '3000', 10);
 const HOST = process.env.HOST || '0.0.0.0';
 
-// Extended deployment state for HTTP server (adds logs)
+// Extended deployment state for HTTP server (adds logs and language)
 interface HttpDeploymentState extends OrchestratorDeploymentState {
   logs: string[];
+  lang: string;
 }
 
 const deployments = new Map<string, HttpDeploymentState>();
@@ -90,6 +91,7 @@ async function deployStack(deploymentId: string): Promise<void> {
       registryId: process.env.STACK_REGISTRY_ID,
       sharedProjectId: process.env.SHARED_PROJECT_ID,
       sharedEnvironmentId: process.env.SHARED_ENVIRONMENT_ID,
+      lang: deployment.lang,
     });
 
     // Final update with logs
@@ -144,7 +146,7 @@ app.get('/health', (c) => {
 app.post('/api/deploy', async (c) => {
   try {
     const body = await c.req.json();
-    const { name } = body;
+    const { name, lang = 'en' } = body;
 
     // Validate name
     const validation = validateStackName(name);
@@ -197,6 +199,7 @@ app.post('/api/deploy', async (c) => {
         started: new Date().toISOString(),
       },
       logs: [],
+      lang,
     };
 
     deployments.set(deploymentId, deployment);
diff --git a/src/lib/i18n-backend.ts b/src/lib/i18n-backend.ts
new file mode 100644
index 0000000..1953409
--- /dev/null
+++ b/src/lib/i18n-backend.ts
@@ -0,0 +1,65 @@
+export const backendTranslations = {
+  en: {
+    'initializing': 'Initializing deployment',
+    'creatingProject': 'Creating project',
+    'gettingEnvironment': 'Getting environment ID',
+    'environmentAvailable': 'Environment ID already available',
+    'environmentRetrieved': 'Environment ID retrieved',
+    'creatingApplication': 'Creating application',
+    'configuringApplication': 'Configuring application',
+    'creatingDomain': 'Creating domain',
+    'deployingApplication': 'Deploying application',
+    'waitingForSSL': 'Waiting for SSL certificate provisioning...',
+    'waitingForStart': 'Waiting for application to start',
+    'deploymentSuccess': 'Application deployed successfully',
+    'verifyingHealth': 'Verifying application health',
+  },
+  nl: {
+    'initializing': 'Implementatie initialiseren',
+    'creatingProject': 'Project aanmaken',
+    'gettingEnvironment': 'Omgeving ID ophalen',
+    'environmentAvailable': 'Omgeving ID al beschikbaar',
+    'environmentRetrieved': 'Omgeving ID opgehaald',
+    'creatingApplication': 'Applicatie aanmaken',
+    'configuringApplication': 'Applicatie configureren',
+    'creatingDomain': 'Domein aanmaken',
+    'deployingApplication': 'Applicatie implementeren',
+    'waitingForSSL': 'Wachten op SSL-certificaat...',
+    'waitingForStart': 'Wachten tot applicatie start',
+    'deploymentSuccess': 'Applicatie succesvol geïmplementeerd',
+    'verifyingHealth': 'Applicatie gezondheid verifiëren',
+  },
+  ar: {
+    'initializing': 'جاري التهيئة',
+    'creatingProject': 'إنشاء المشروع',
+    'gettingEnvironment': 'الحصول على معرف البيئة',
+    'environmentAvailable': 'معرف البيئة متاح بالفعل',
+    'environmentRetrieved': 'تم استرداد معرف البيئة',
+    'creatingApplication': 'إنشاء التطبيق',
+    'configuringApplication': 'تكوين التطبيق',
+    'creatingDomain': 'إنشاء النطاق',
+    'deployingApplication': 'نشر التطبيق',
+    'waitingForSSL': 'انتظار شهادة SSL...',
+    'waitingForStart': 'انتظار بدء التطبيق',
+    'deploymentSuccess': 'تم نشر التطبيق بنجاح',
+    'verifyingHealth': 'التحقق من صحة التطبيق',
+  },
+} as const;
+
+export type BackendLanguage = keyof typeof backendTranslations;
+export type BackendTranslationKey = keyof typeof backendTranslations.en;
+
+export function createTranslator(lang: BackendLanguage = 'en') {
+  return (key: BackendTranslationKey, params?: Record<string, string | number>): string => {
+    const translations = backendTranslations[lang] || backendTranslations.en;
+    let text: string = translations[key];
+    
+    if (params) {
+      Object.entries(params).forEach(([paramKey, value]) => {
+        text = text.replace(`{${paramKey}}`, String(value));
+      });
+    }
+    
+    return text;
+  };
+}
diff --git a/src/orchestrator/production-deployer.ts b/src/orchestrator/production-deployer.ts
index 50df463..5efd165 100644
--- a/src/orchestrator/production-deployer.ts
+++ b/src/orchestrator/production-deployer.ts
@@ -11,6 +11,7 @@
  */
 
 import { DokployProductionClient } from '../api/dokploy-production.js';
+import { createTranslator, type BackendLanguage } from '../lib/i18n-backend.js';
 
 export interface DeploymentConfig {
   stackName: string;
@@ -22,6 +23,7 @@ export interface DeploymentConfig {
   registryId?: string;
   sharedProjectId?: string;
   sharedEnvironmentId?: string;
+  lang?: string;
 }
 
 export interface DeploymentState {
@@ -71,10 +73,12 @@ export type ProgressCallback = (state: DeploymentState) => void;
 export class ProductionDeployer {
   private client: DokployProductionClient;
   private progressCallback?: ProgressCallback;
+  private t: ReturnType<typeof createTranslator>;
 
   constructor(client: DokployProductionClient, progressCallback?: ProgressCallback) {
     this.client = client;
     this.progressCallback = progressCallback;
+    this.t = createTranslator('en');
   }
 
   private notifyProgress(state: DeploymentState): void {
@@ -87,13 +91,15 @@ export class ProductionDeployer {
    * Deploy a complete AI stack with full production safeguards
    */
   async deploy(config: DeploymentConfig): Promise<DeploymentResult> {
+    this.t = createTranslator((config.lang || 'en') as BackendLanguage);
+    
     const state: DeploymentState = {
       id: `dep_${Date.now()}_${Math.random().toString(36).substring(2, 9)}`,
       stackName: config.stackName,
       phase: 'initializing',
       status: 'in_progress',
       progress: 0,
-      message: 'Initializing deployment',
+      message: this.t('initializing'),
       resources: {},
       timestamps: {
         started: new Date().toISOString(),
@@ -228,12 +234,12 @@ export class ProductionDeployer {
   private async getEnvironment(state: DeploymentState): Promise<void> {
     state.phase = 'getting_environment';
     state.progress = 25;
-    state.message = 'Getting environment ID';
+    state.message = this.t('gettingEnvironment');
 
     // Skip if we already have environment ID from project creation
     if (state.resources.environmentId) {
       console.log('Environment ID already available from project creation');
-      state.message = 'Environment ID already available';
+      state.message = this.t('environmentAvailable');
       return;
     }
 
@@ -243,7 +249,7 @@ export class ProductionDeployer {
 
     const environment = await this.client.getDefaultEnvironment(state.resources.projectId);
     state.resources.environmentId = environment.environmentId;
-    state.message = 'Environment ID retrieved';
+    state.message = this.t('environmentRetrieved');
   }
 
   private async createOrFindApplication(
@@ -252,7 +258,7 @@ export class ProductionDeployer {
   ): Promise<void> {
     state.phase = 'creating_application';
     state.progress = 40;
-    state.message = 'Creating application';
+    state.message = this.t('creatingApplication');
 
     if (!state.resources.environmentId) {
       throw new Error('Environment ID not available');
@@ -279,7 +285,7 @@ export class ProductionDeployer {
   ): Promise<void> {
     state.phase = 'configuring_application';
     state.progress = 50;
-    state.message = 'Configuring application with Docker image';
+    state.message = this.t('configuringApplication');
 
     if (!state.resources.applicationId) {
       throw new Error('Application ID not available');
@@ -332,7 +338,7 @@ export class ProductionDeployer {
   ): Promise<void> {
     state.phase = 'creating_domain';
     state.progress = 70;
-    state.message = 'Creating domain';
+    state.message = this.t('creatingDomain');
 
     if (!state.resources.applicationId) {
       throw new Error('Application ID not available');
@@ -359,7 +365,7 @@ export class ProductionDeployer {
   private async deployApplication(state: DeploymentState): Promise<void> {
     state.phase = 'deploying';
     state.progress = 85;
-    state.message = 'Triggering deployment';
+    state.message = this.t('deployingApplication');
 
     if (!state.resources.applicationId) {
       throw new Error('Application ID not available');
@@ -375,7 +381,7 @@ export class ProductionDeployer {
   ): Promise<void> {
     state.phase = 'verifying_health';
     state.progress = 95;
-    state.message = 'Verifying application status via Dokploy';
+    state.message = this.t('verifyingHealth');
 
     if (!state.resources.applicationId) {
       throw new Error('Application ID not available');
@@ -392,13 +398,13 @@ export class ProductionDeployer {
         console.log(`Application status: ${appStatus}`);
         
         if (appStatus === 'done') {
-          state.message = 'Waiting for SSL certificate provisioning...';
+          state.message = this.t('waitingForSSL');
           state.progress = 98;
           this.notifyProgress(state);
           
           await this.sleep(15000);
           
-          state.message = 'Application deployed successfully';
+          state.message = this.t('deploymentSuccess');
           return;
         }
         
@@ -410,7 +416,7 @@ export class ProductionDeployer {
       }
 
       const elapsed = Math.round((Date.now() - startTime) / 1000);
-      state.message = `Waiting for application to start (${elapsed}s)...`;
+      state.message = `${this.t('waitingForStart')} (${elapsed}s)...`;
       this.notifyProgress(state);
 
       await this.sleep(interval);