Initial Bedrock WordPress setup

- WordPress 6.9 via Bedrock
- kurs-booking Plugin (Eigenentwicklung)
- Rodiar Theme + Child
- Lizenz-Plugins: Elementor Pro, RevSlider, Rank Math Pro, Rodiar Addons
- Free Plugins via Composer
- Docker-ready für Coolify

Dockerfile

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+# WordPress Bedrock - Production
+FROM serversideup/php:8.4-fpm-nginx
+
+LABEL org.opencontainers.image.title="Kurs-Booking WordPress"
+LABEL org.opencontainers.image.vendor="webideas24"
+
+# Environment
+ENV WEB_DOCUMENT_ROOT=/var/www/html/web
+ENV PHP_OPCACHE_ENABLE=1
+ENV PHP_MEMORY_LIMIT=512M
+ENV PHP_UPLOAD_MAX_FILE_SIZE=64M
+ENV PHP_POST_MAX_SIZE=64M
+
+# Install dependencies
+USER root
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    git \
+    unzip \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy application
+USER www-data
+WORKDIR /var/www/html
+COPY --chown=www-data:www-data . .
+
+# Install Composer dependencies (production)
+RUN composer install --no-dev --optimize-autoloader --no-interaction
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=3 \
+    CMD curl -fsS http://localhost/wp/wp-login.php || exit 1
+
+EXPOSE 80