diff --git a/frontend/.docker/Dockerfile b/frontend/.docker/Dockerfile
index 2f75a70..494c91f 100644
--- a/frontend/.docker/Dockerfile
+++ b/frontend/.docker/Dockerfile
@@ -1,47 +1,23 @@
-# Build stage
-FROM oven/bun:latest as build
-
+FROM oven/bun:debian AS build
 WORKDIR /app
 
-# Copy package.json and bun.lock
+RUN apt-get update -y && apt-get install nodejs -y
+
+ENV NODE_ENV=production
+
 COPY package.json bun.lock ./
+RUN bun install --frozen-lockfile
 
-# Install dependencies
-RUN bun install
-
-# Copy the rest of the app
 COPY . .
-
-# Build the app
 RUN bun run build
 
-# Production stage
-FROM nginx:alpine
+FROM nginx:alpine AS production
 
-# Copy custom nginx config if needed
-# COPY nginx.conf /etc/nginx/conf.d/default.conf
+RUN rm /etc/nginx/conf.d/default.conf
+COPY .docker/casino.conf /etc/nginx/templates/nginx.conf.template
+COPY .docker/entrypoint.sh /docker-entrypoint.d/40-custom-config-env.sh
 
-# Copy the build output
-COPY --from=build /app/dist/browser /usr/share/nginx/html
-
-# Copy the env.js file
-COPY --from=build /app/env.js /usr/share/nginx/html/env.js
-
-# Copy the entrypoint script
-COPY docker-entrypoint.sh /docker-entrypoint.sh
-RUN chmod +x /docker-entrypoint.sh
-
-# Install envsubst
-RUN apk add --no-cache gettext
-
-# Update index.html to load env.js before the app
-RUN sed -i 's/<head>/<head><script src="env.js"><\/script>/' /usr/share/nginx/html/index.html
-
-# Set environment variables (these are defaults and can be overridden at runtime)
-ENV STRIPE_KEY="pk_test_51QrePYIvCfqz7ANgMizBorPpVjJ8S6gcaL4yvcMQnVaKyReqcQ6jqaQEF7aDZbDu8rNVsTZrw8ABek4ToxQX7KZe00jpGh8naG"
-ENV API_URL="/backend"
+COPY --from=build /app/dist/casino /usr/share/nginx/html
 
 EXPOSE 80
-
-# Use custom entrypoint to replace env vars at runtime
-ENTRYPOINT ["/docker-entrypoint.sh"]
\ No newline at end of file
+CMD ["nginx", "-g", "daemon off;"]
diff --git a/frontend/docker-entrypoint.sh b/frontend/docker-entrypoint.sh
deleted file mode 100644
index 2e74c79..0000000
--- a/frontend/docker-entrypoint.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/sh
-
-# Replace environment variables in env.js
-envsubst < /usr/share/nginx/html/env.js > /usr/share/nginx/html/env.js.tmp
-mv /usr/share/nginx/html/env.js.tmp /usr/share/nginx/html/env.js
-
-# Start nginx
-exec nginx -g 'daemon off;'
\ No newline at end of file
diff --git a/frontend/env.js b/frontend/env.js
deleted file mode 100644
index 2b039ae..0000000
--- a/frontend/env.js
+++ /dev/null
@@ -1,8 +0,0 @@
-// env.js - Script to replace environment variables at runtime
-(function(window) {
-  window.__env = window.__env || {};
-  
-  // Environment variables
-  window.__env.STRIPE_KEY = '${STRIPE_KEY}';
-  window.__env.API_URL = '${API_URL}';
-})(this);
\ No newline at end of file
diff --git a/frontend/src/app/feature/game/coinflip/coinflip.component.html b/frontend/src/app/feature/game/coinflip/coinflip.component.html
index 671bc31..8dd6be8 100644
--- a/frontend/src/app/feature/game/coinflip/coinflip.component.html
+++ b/frontend/src/app/feature/game/coinflip/coinflip.component.html
@@ -5,13 +5,11 @@
       @if (gameResult()) {
         <div class="mb-6 text-center result-text">
           <h2 class="text-2xl font-bold mb-2" [class]="getResultClass()">
-            {{ gameResult()?.isWin ? 'You Won!' : 'You Lost' }}
+            {{ gameResult()?.isWin ? 'Du hast gewonnen!' : 'Du hast verloren' }}
           </h2>
           <p class="text-lg">
-            Coin landed on:
-            <span class="font-bold">{{
-              gameResult()?.coinSide === 'HEAD' ? 'HEAD' : 'TAILS'
-            }}</span>
+            Münze zeigt:
+            <span class="font-bold">{{ gameResult()?.coinSide === 'HEAD' ? 'KOPF' : 'ZAHL' }}</span>
           </p>
           @if (gameResult()?.isWin) {
             <p class="text-xl mt-2">
@@ -35,7 +33,7 @@
           <div
             class="front coin-side bg-yellow-500 flex items-center justify-center text-2xl font-bold"
           >
-            <div class="coin-text">HEAD</div>
+            <div class="coin-text">KOPF</div>
           </div>
 
           <!-- Tails side with non-mirrored text -->
@@ -43,7 +41,7 @@
             class="back coin-side bg-gray-700 flex items-center justify-center text-2xl font-bold text-white"
           >
             <!-- Using direct inline transform to counter the mirroring effect -->
-            <span style="display: inline-block; transform: scaleX(1)">TAILS</span>
+            <span style="display: inline-block; transform: scaleX(1)">ZAHL</span>
           </div>
         </div>
       </div>
@@ -56,7 +54,7 @@
           class="button-primary py-3 px-6 relative text-lg"
           [class.opacity-50]="gameInProgress()"
         >
-          Bet TAILS
+          Auf ZAHL setzen
         </button>
         <button
           (click)="betHeads()"
@@ -64,7 +62,7 @@
           class="button-primary py-3 px-6 relative text-lg"
           [class.opacity-50]="gameInProgress()"
         >
-          Bet HEAD
+          Auf KOPF setzen
         </button>
       </div>
     </div>
@@ -72,11 +70,11 @@
     <!-- Game information panel -->
     <div class="col-span-1">
       <div class="card p-4">
-        <h3 class="section-heading text-xl mb-4">Game Information</h3>
+        <h3 class="section-heading text-xl mb-4">Spielinformationen</h3>
         <div class="space-y-4">
           <!-- Current bet display -->
           <div class="flex justify-between items-center">
-            <span class="text-text-secondary">Current Bet:</span>
+            <span class="text-text-secondary">Aktueller Einsatz:</span>
             <span [class]="currentBet() > 0 ? 'text-accent-red' : 'text-text-secondary'">
               <app-animated-number [value]="currentBet()" [duration]="0.5"></app-animated-number> €
             </span>
@@ -84,7 +82,7 @@
 
           <!-- Available balance -->
           <div class="flex justify-between items-center">
-            <span class="text-text-secondary">Your Balance:</span>
+            <span class="text-text-secondary">Dein Guthaben:</span>
             <span class="text-white">
               {{ balance() | currency: 'EUR' }}
             </span>
@@ -103,9 +101,9 @@
           <!-- Custom bet input -->
           <div class="space-y-1">
             <div class="flex justify-between">
-              <label for="bet" class="text-sm text-text-secondary">Bet Amount</label>
+              <label for="bet" class="text-sm text-text-secondary">Einsatzbetrag</label>
               <span *ngIf="isInvalidBet()" class="text-xs text-accent-red animate-pulse"
-                >Cannot exceed balance</span
+                >Darf Guthaben nicht überschreiten</span
               >
             </div>
             <input
@@ -129,11 +127,11 @@
 
           <!-- Rules/info section -->
           <div class="mt-6 pt-4 border-t border-gray-700">
-            <h4 class="text-lg font-semibold mb-2">How to Play</h4>
+            <h4 class="text-lg font-semibold mb-2">Spielregeln</h4>
             <ul class="text-sm text-text-secondary space-y-1">
-              <li>• Choose your bet amount</li>
-              <li>• Select Heads or Tails</li>
-              <li>• Win double your bet if correct</li>
+              <li>• Wähle deinen Einsatzbetrag</li>
+              <li>• Wähle Kopf oder Zahl</li>
+              <li>• Gewinne das Doppelte deines Einsatzes bei richtiger Wahl</li>
             </ul>
           </div>
         </div>
diff --git a/frontend/src/app/feature/game/coinflip/coinflip.component.ts b/frontend/src/app/feature/game/coinflip/coinflip.component.ts
index 1766e4d..112a300 100644
--- a/frontend/src/app/feature/game/coinflip/coinflip.component.ts
+++ b/frontend/src/app/feature/game/coinflip/coinflip.component.ts
@@ -44,14 +44,14 @@ export default class CoinflipComponent implements OnInit {
   private coinflipSound?: HTMLAudioElement;
 
   ngOnInit(): void {
-    // Subscribe to user updates for real-time balance changes
+    // Abonniere Benutzerupdates für Echtzeitaktualisierungen des Guthabens
     this.authService.userSubject.subscribe((user) => {
       if (user) {
         this.balance.set(user.balance);
       }
     });
 
-    // Initialize coinflip sound
+    // Initialisiere Münzwurf-Sound
     this.coinflipSound = new Audio('/sounds/coinflip.mp3');
   }
 
@@ -65,26 +65,26 @@ export default class CoinflipComponent implements OnInit {
     const inputElement = event.target as HTMLInputElement;
     let value = Number(inputElement.value);
 
-    // Reset invalid bet state
+    // Setze ungültigen Einsatz-Status zurück
     this.isInvalidBet.set(false);
 
-    // Enforce minimum bet of 1
+    // Erzwinge Mindesteinsatz von 1
     if (value <= 0) {
       value = 1;
     }
 
-    // Cap bet at available balance and show feedback
+    // Begrenze Einsatz auf verfügbares Guthaben und zeige Feedback
     if (value > this.balance()) {
       value = this.balance();
-      // Show visual feedback
+      // Visuelles Feedback anzeigen
       this.isInvalidBet.set(true);
-      // Indicate the error briefly
+      // Zeige den Fehler kurz an
       setTimeout(() => this.isInvalidBet.set(false), 800);
-      // Update the input field directly to show the user the max value
+      // Aktualisiere das Eingabefeld direkt, um dem Benutzer den maximalen Wert anzuzeigen
       inputElement.value = String(value);
     }
 
-    // Update signals
+    // Aktualisiere Signale
     this.betInputValue.set(value);
     this.currentBet.set(value);
   }
@@ -100,34 +100,34 @@ export default class CoinflipComponent implements OnInit {
   private placeBet(side: 'HEAD' | 'TAILS') {
     if (this.gameInProgress() || this.isActionInProgress()) return;
 
-    // Reset previous result
+    // Setze vorheriges Ergebnis zurück
     this.gameResult.set(null);
     this.errorMessage.set('');
 
-    // Set game state
+    // Setze Spielstatus
     this.gameInProgress.set(true);
     this.isActionInProgress.set(true);
 
-    // Play bet sound
+    // Spiele Einsatz-Sound
     this.audioService.playBetSound();
 
-    // Create bet request
+    // Erstelle Einsatz-Anfrage
     const request: CoinflipRequest = {
       betAmount: this.currentBet(),
       coinSide: side,
     };
 
-    // Call API
+    // API aufrufen
     this.http
       .post<CoinflipGame>('/backend/coinflip', request)
       .pipe(
         catchError((error) => {
-          console.error('Error playing coinflip:', error);
+          console.error('Fehler beim Spielen von Coinflip:', error);
 
           if (error.status === 400 && error.error.message.includes('insufficient')) {
-            this.errorMessage.set('Insufficient funds');
+            this.errorMessage.set('Unzureichendes Guthaben');
           } else {
-            this.errorMessage.set('An error occurred. Please try again.');
+            this.errorMessage.set('Ein Fehler ist aufgetreten. Bitte versuche es erneut.');
           }
 
           this.gameInProgress.set(false);
@@ -140,37 +140,37 @@ export default class CoinflipComponent implements OnInit {
       .subscribe((result) => {
         if (!result) return;
 
-        console.log('API response:', result);
+        console.log('API-Antwort:', result);
 
-        // Fix potential property naming inconsistency from the backend
+        // Behebe mögliche Inkonsistenzen bei der Eigenschaftenbenennung vom Backend
         const fixedResult: CoinflipGame = {
           isWin: result.isWin ?? result.win,
           payout: result.payout,
           coinSide: result.coinSide,
         };
 
-        console.log('Fixed result:', fixedResult);
+        console.log('Korrigiertes Ergebnis:', fixedResult);
 
-        // Play coin flip animation and sound
+        // Spiele Münzwurf-Animation und -Sound
         this.playCoinFlipAnimation(fixedResult.coinSide);
 
-        // Set result after animation completes
+        // Setze Ergebnis nach Abschluss der Animation
         setTimeout(() => {
           this.gameResult.set(fixedResult);
 
-          // Update balance with new value from auth service
+          // Aktualisiere Guthaben mit neuem Wert vom Auth-Service
           this.authService.loadCurrentUser();
 
-          // Play win sound if player won
+          // Spiele Gewinn-Sound, wenn der Spieler gewonnen hat
           if (fixedResult.isWin) {
             this.audioService.playWinSound();
           }
 
-          // Reset game state after showing result
+          // Setze Spielstatus nach Anzeigen des Ergebnisses zurück
           setTimeout(() => {
             this.gameInProgress.set(false);
           }, 1500);
-        }, 1100); // Just after animation ends
+        }, 1100); // Kurz nach Ende der Animation
       });
   }
 
@@ -179,48 +179,50 @@ export default class CoinflipComponent implements OnInit {
 
     const coinEl = this.coinElement.nativeElement;
 
-    // Reset any existing animations
+    // Setze bestehende Animationen zurück
     coinEl.classList.remove('animate-to-heads', 'animate-to-tails');
 
-    // Reset any inline styles from previous animations
+    // Setze alle Inline-Styles von vorherigen Animationen zurück
     coinEl.style.transform = '';
 
-    // Force a reflow to restart animation
+    // Erzwinge Reflow, um Animation neu zu starten
     void coinEl.offsetWidth;
 
-    // Play flip sound
+    // Spiele Münzwurf-Sound
     if (this.coinflipSound) {
       this.coinflipSound.currentTime = 0;
-      this.coinflipSound.play().catch((err) => console.error('Error playing sound:', err));
+      this.coinflipSound
+        .play()
+        .catch((err) => console.error('Fehler beim Abspielen des Sounds:', err));
     }
 
-    // Add appropriate animation class based on result
+    // Füge passende Animationsklasse basierend auf dem Ergebnis hinzu
     if (result === 'HEAD') {
       coinEl.classList.add('animate-to-heads');
     } else {
       coinEl.classList.add('animate-to-tails');
     }
 
-    console.log(`Animation applied for result: ${result}`);
+    console.log(`Animation angewendet für Ergebnis: ${result}`);
   }
 
   /**
-   * Validates input as the user types to prevent invalid values
+   * Validiert Eingabe während der Benutzer tippt, um ungültige Werte zu verhindern
    */
   validateBetInput(event: KeyboardEvent) {
-    // Allow navigation keys (arrows, delete, backspace, tab)
+    // Erlaube Navigationstasten (Pfeile, Entf, Rücktaste, Tab)
     const navigationKeys = ['ArrowLeft', 'ArrowRight', 'Delete', 'Backspace', 'Tab'];
     if (navigationKeys.includes(event.key)) {
       return;
     }
 
-    // Only allow numbers
+    // Erlaube nur Zahlen
     if (!/^\d$/.test(event.key)) {
       event.preventDefault();
       return;
     }
 
-    // Get the value that would result after the keypress
+    // Ermittle den Wert, der nach dem Tastendruck entstehen würde
     const input = event.target as HTMLInputElement;
     const currentValue = input.value;
     const cursorPosition = input.selectionStart || 0;
@@ -230,14 +232,14 @@ export default class CoinflipComponent implements OnInit {
       currentValue.substring(input.selectionEnd || cursorPosition);
     const numValue = Number(newValue);
 
-    // Prevent values greater than balance
+    // Verhindere Werte, die größer als das Guthaben sind
     if (numValue > this.balance()) {
       event.preventDefault();
     }
   }
 
-  // We removed the paste handler for simplicity since the updateBet method
-  // will handle any value that gets into the input field
+  // Der Paste-Handler wurde der Einfachheit halber entfernt, da die updateBet-Methode
+  // jeden Wert behandelt, der in das Eingabefeld gelangt
 
   getResultClass() {
     if (!this.gameResult()) return '';
diff --git a/frontend/src/environments/environment.ts b/frontend/src/environments/environment.ts
index 2380262..c7df73a 100644
--- a/frontend/src/environments/environment.ts
+++ b/frontend/src/environments/environment.ts
@@ -1,16 +1,5 @@
-// Dynamic environment configuration that can be overridden by Docker
-declare global {
-  interface Window {
-    __env?: {
-      STRIPE_KEY?: string;
-      API_URL?: string;
-    };
-  }
-}
-
 export const environment = {
   STRIPE_KEY:
-    window.__env?.STRIPE_KEY ||
     'pk_test_51QrePYIvCfqz7ANgMizBorPpVjJ8S6gcaL4yvcMQnVaKyReqcQ6jqaQEF7aDZbDu8rNVsTZrw8ABek4ToxQX7KZe00jpGh8naG',
-  apiUrl: window.__env?.API_URL || window.location.origin + '/backend',
-};
\ No newline at end of file
+  apiUrl: window.location.origin + '/backend',
+};
diff --git a/frontend/src/index.html b/frontend/src/index.html
index 78a8277..1c92a1e 100644
--- a/frontend/src/index.html
+++ b/frontend/src/index.html
@@ -2,7 +2,6 @@
 <html lang="en">
   <head>
     <meta charset="utf-8" />
-    <script src="env.js"></script>
     <title>Trustworthy Casino</title>
     <base href="/" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
