fix(Docker): change ENV arg from 'prod' to 'production' to match actual ini filename

docker/php/Dockerfile

@@ -51,7 +51,7 @@ RUN curl -sS https://getcomposer.org/installer | php \
     && mv composer.phar /usr/local/bin/composer
 
 # Installiere Xdebug nur im Entwicklungsmodus
-ARG ENV=prod
+ARG ENV=production
 RUN if [ "$ENV" = "dev" ]; then \
     pecl install xdebug \
     && docker-php-ext-enable xdebug; \
@@ -108,3 +108,136 @@ RUN apt-get update && apt-get install -y gosu && apt-get clean && rm -rf /var/li
 
 ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]
 CMD ["php-fpm"]
+
+#############################################
+# Production Stages (Extended Build)
+#############################################
+
+# Stage: Composer Dependencies (Production)
+FROM base AS composer-deps-production
+
+WORKDIR /app
+
+# Copy composer files
+COPY composer.json composer.lock ./
+
+# Install production dependencies only
+RUN composer install \
+    --no-dev \
+    --no-scripts \
+    --no-autoloader \
+    --ignore-platform-reqs \
+    --prefer-dist
+
+# Copy application code
+COPY . .
+
+# Generate optimized autoloader
+RUN composer dump-autoload --optimize --classmap-authoritative
+
+# Stage: Frontend Build
+FROM node:20-alpine AS frontend-build
+
+WORKDIR /app
+
+# Copy package files
+COPY package.json package-lock.json ./
+
+# Install npm dependencies
+RUN npm ci --production=false
+
+# Copy source files needed for build
+COPY resources ./resources
+COPY vite.config.js ./
+COPY tsconfig.json ./
+
+# Build production assets
+RUN npm run build
+
+# Stage: Production Runtime
+FROM php:8.5.0RC3-fpm AS production
+
+# Install system dependencies + nginx for production
+RUN apt-get update && apt-get install -y \
+    nginx \
+    curl \
+    libzip-dev \
+    libpng-dev \
+    libjpeg-dev \
+    libfreetype6-dev \
+    libwebp-dev \
+    libavif-dev \
+    libxpm-dev \
+    libsodium-dev \
+    libpq-dev \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install PHP extensions (same as base)
+RUN docker-php-ext-configure gd \
+        --with-freetype \
+        --with-jpeg \
+        --with-webp \
+        --with-avif \
+        --with-xpm \
+    && docker-php-ext-install -j$(nproc) gd
+
+RUN docker-php-ext-install -j$(nproc) \
+    zip \
+    pdo \
+    pdo_mysql \
+    pdo_pgsql \
+    pcntl \
+    posix \
+    shmop \
+    bcmath \
+    sodium
+
+# Install PECL extensions
+RUN pecl install apcu redis-6.3.0RC1 \
+    && docker-php-ext-enable apcu redis
+
+# Configure APCu
+RUN echo "apc.enable_cli=1" >> /usr/local/etc/php/conf.d/docker-php-ext-apcu.ini \
+    && echo "apc.shm_size=128M" >> /usr/local/etc/php/conf.d/docker-php-ext-apcu.ini
+
+# Set working directory
+WORKDIR /var/www/html
+
+# Configure PHP for production
+COPY docker/php/php.production.ini /usr/local/etc/php/conf.d/zzz-custom.ini
+COPY docker/php/opcache.ini /usr/local/etc/php/conf.d/opcache.ini
+
+# Configure PHP-FPM (clear_env = no for Docker secrets)
+COPY docker/php/www.production.conf /usr/local/etc/php-fpm.d/www.conf
+
+# Configure Nginx for Traefik integration
+COPY docker/nginx/nginx.production.conf /etc/nginx/nginx.conf
+COPY docker/nginx/default.traefik.conf /etc/nginx/sites-available/default
+RUN ln -sf /etc/nginx/sites-available/default /etc/nginx/sites-enabled/default
+
+# Copy application code and dependencies
+COPY --chown=www-data:www-data . .
+COPY --from=composer-deps-production --chown=www-data:www-data /app/vendor ./vendor
+COPY --from=frontend-build --chown=www-data:www-data /app/public/assets ./public/assets
+COPY --from=frontend-build --chown=www-data:www-data /app/public/.vite ./public/.vite
+
+# Create required directories
+RUN mkdir -p storage/logs storage/cache storage/uploads \
+    && chown -R www-data:www-data storage \
+    && chmod -R 775 storage
+
+# Copy entrypoint script for production
+COPY docker/entrypoint.sh /usr/local/bin/entrypoint.sh
+RUN chmod +x /usr/local/bin/entrypoint.sh
+
+# Healthcheck
+HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
+    CMD curl -f http://localhost/health || exit 1
+
+# Expose HTTP only (Traefik handles HTTPS)
+EXPOSE 80
+
+# Use production entrypoint
+ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]
+CMD ["nginx-php-fpm"]