Update and rename dockerfile to Dockerfile

Dockerfile

@@ -1,6 +1,6 @@
 FROM php:8.3-apache
 
-# Install commonly used PHP extensions
+# Install system dependencies
 RUN apt-get update && apt-get install -y \
     libpng-dev \
     libjpeg-dev \
@@ -11,6 +11,7 @@ RUN apt-get update && apt-get install -y \
     libonig-dev \
     libxml2-dev \
     curl \
+    && docker-php-ext-configure gd --with-freetype --with-jpeg \
     && docker-php-ext-install \
     pdo \
     pdo_mysql \
@@ -19,7 +20,8 @@ RUN apt-get update && apt-get install -y \
     zip \
     gd \
     curl \
-    xml
+    xml \
+    && apt-get clean && rm -rf /var/lib/apt/lists/*
 
 # Enable Apache mod_rewrite
 RUN a2enmod rewrite