diff --git a/.env.example b/.env.example
index 503c4aa..5476c9f 100644
--- a/.env.example
+++ b/.env.example
@@ -1,11 +1,12 @@
-# Database Configuration
-DB_HOST=db
-DB_PORT=3306
-DB_DATABASE=immorechner
-DB_USERNAME=immorechner_user
-DB_PASSWORD=immorechner_pass
-DB_ROOT_PASSWORD=root
+# Symfony Application Configuration
+APP_ENV=dev
+APP_SECRET=change_this_to_a_random_secret_key
 
-# Application Configuration
-APP_ENV=local
-APP_DEBUG=true
+# Database Configuration (MariaDB)
+DATABASE_URL="mysql://immorechner_user:immorechner_pass@db:3306/immorechner?serverVersion=mariadb-11.7.1&charset=utf8mb4"
+
+# CORS Configuration
+CORS_ALLOW_ORIGIN='^https?://(localhost|127\.0\.0\.1)(:[0-9]+)?$'
+
+# Routing Configuration
+DEFAULT_URI=http://localhost
diff --git a/.gitignore b/.gitignore
index 89b642b..1495b1f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,9 +6,11 @@
 .idea_modules/
 out/
 
+# Claude AI
+.claude/
+
 # Composer
 /vendor/
-composer.lock
 composer.phar
 
 # PHP
@@ -18,14 +20,17 @@ composer.phar
 php_errors.log
 
 # Environment files
-.env
 .env.local
 .env.*.local
+.env.dev
+.env.test
+.env.prod
 
 # OS files
 .DS_Store
 Thumbs.db
 desktop.ini
+nul
 
 # Temporary files
 *.tmp
@@ -69,3 +74,13 @@ clover.xml
 # Docker
 docker-compose.override.yml
 .dockerignore
+
+###> symfony/framework-bundle ###
+/.env.local
+/.env.local.php
+/.env.*.local
+/config/secrets/prod/prod.decrypt.private.php
+/public/bundles/
+/var/
+/vendor/
+###< symfony/framework-bundle ###
diff --git a/Dockerfile b/Dockerfile
index 3e692bb..a5d3d50 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:8.3-apache
+FROM php:8.4-apache
 
 # Install system dependencies
 RUN apt-get update && apt-get install -y \
@@ -7,13 +7,21 @@ RUN apt-get update && apt-get install -y \
     libpng-dev \
     libonig-dev \
     libxml2-dev \
+    libicu-dev \
     zip \
     unzip \
     libzip-dev \
     && apt-get clean && rm -rf /var/lib/apt/lists/*
 
-# Install PHP extensions
-RUN docker-php-ext-install pdo_mysql mysqli mbstring exif pcntl bcmath gd zip
+# Install PHP extensions for Symfony
+RUN docker-php-ext-configure intl \
+    && docker-php-ext-install pdo_mysql mysqli mbstring exif pcntl bcmath gd zip intl opcache
+
+# Configure opcache for Symfony
+RUN echo "opcache.enable=1" >> /usr/local/etc/php/conf.d/docker-php-ext-opcache.ini \
+    && echo "opcache.memory_consumption=256" >> /usr/local/etc/php/conf.d/docker-php-ext-opcache.ini \
+    && echo "opcache.max_accelerated_files=20000" >> /usr/local/etc/php/conf.d/docker-php-ext-opcache.ini \
+    && echo "opcache.validate_timestamps=0" >> /usr/local/etc/php/conf.d/docker-php-ext-opcache.ini
 
 # Enable Apache mod_rewrite
 RUN a2enmod rewrite
diff --git a/docker-compose.yml b/docker-compose.yml
index 0a04104..ec4bfb0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,3 @@
-version: '3.8'
-
 services:
   web:
     build:
diff --git a/docker/apache/000-default.conf b/docker/apache/000-default.conf
index 501b02a..c1160f5 100644
--- a/docker/apache/000-default.conf
+++ b/docker/apache/000-default.conf
@@ -1,22 +1,20 @@
 <VirtualHost *:80>
     ServerAdmin webmaster@localhost
-    DocumentRoot /var/www/html
+    DocumentRoot /var/www/html/public
 
-    <Directory /var/www/html>
-        Options Indexes FollowSymLinks
+    <Directory /var/www/html/public>
+        Options -Indexes +FollowSymLinks
         AllowOverride All
         Require all granted
+        FallbackResource /index.php
     </Directory>
 
-    # Enable mod_rewrite
-    RewriteEngine On
+    # Symfony recommended: disable .htaccess if using FallbackResource
+    <Directory /var/www/html/public/bundles>
+        FallbackResource disabled
+    </Directory>
 
     ErrorLog ${APACHE_LOG_DIR}/error.log
     CustomLog ${APACHE_LOG_DIR}/access.log combined
 
-    # Optional: Disable directory listing
-    <Directory /var/www/html>
-        Options -Indexes +FollowSymLinks
-    </Directory>
-
 </VirtualHost>