Adding max_input_vars for moodle.

docker/8.3-apache/Dockerfile

@@ -1,4 +1,6 @@
 FROM php:8.3-apache
+
+# Install dependencies
 RUN apt-get update && apt-get install -y \
         libfreetype6-dev \
         libjpeg62-turbo-dev \
@@ -7,13 +9,14 @@ RUN apt-get update && apt-get install -y \
         zlib1g-dev \
         vim \
         libicu-dev \
-	fcgiwrap \
-	mariadb-client \
-	ca-certificates \
-	curl \
-	git && \
-	rm -rf /var/lib/apt/lists/*
+        fcgiwrap \
+        mariadb-client \
+        ca-certificates \
+        curl \
+        git && \
+        rm -rf /var/lib/apt/lists/*
 
+# Install PHP extensions
 RUN docker-php-ext-configure intl && \
       docker-php-ext-install intl && \
       docker-php-ext-configure gd --with-freetype --with-jpeg && \
@@ -21,16 +24,15 @@ RUN docker-php-ext-configure intl && \
       docker-php-ext-install mysqli zip pdo_mysql bcmath && \
       docker-php-ext-install opcache
 
-RUN docker-php-ext-configure intl && \
-      docker-php-ext-install intl && \
-      docker-php-ext-configure gd --with-freetype --with-jpeg && \
-      docker-php-ext-install -j$(nproc) gd && \
-      docker-php-ext-install mysqli zip pdo_mysql bcmath && \
-      docker-php-ext-install opcache
-
-RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=compo
+# Download Composer
+RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
 
+# Create session directory
 RUN mkdir /var/www/sessions && \
     chmod 777 /var/www/sessions
 
-RUN a2enmod rewrite
+# Enable Apache mod_rewrite
+RUN a2enmod rewrite
+
+# Set max_input_vars in PHP configuration
+RUN echo "max_input_vars = 6000" > /usr/local/etc/php/conf.d/max_input_vars.ini