Update docker file

Dockerfile

@@ -1,10 +1,19 @@
-FROM php:8.1-fpm
+FROM php:8.4-fpm
 
-# Install dependencies
+# Install system dependencies & PHP extensions
 RUN apt-get update && apt-get install -y \
+    libzip-dev \
+    unzip \
+    git \
     libpq-dev \
-    zip unzip curl git \
+    libicu-dev \
-    && docker-php-ext-install pdo_pgsql
+    zip \
+    curl \
+    && docker-php-ext-install \
+    intl \
+    zip \
+    pdo_pgsql \
+    bcmath
 
 # Install Composer
 COPY --from=composer:2 /usr/bin/composer /usr/bin/composer
@@ -14,19 +23,16 @@ WORKDIR /var/www
 
 # Copy source
 COPY . .
-
-# Copy default env
 COPY .env.example .env
 
-# Install Laravel dependencies
+# Install dependencies
 RUN composer install --no-interaction --prefer-dist --optimize-autoloader
 
-# Generate Laravel app key
+# Generate app key
 RUN php artisan key:generate
 
-# Set permissions for Laravel
+# Set permissions
 RUN chown -R www-data:www-data /var/www \
-    && chmod -R 755 /var/www \
     && chmod -R 775 storage bootstrap/cache \
     && chown -R www-data:www-data storage bootstrap/cache