feat: initial foundation for collaborative canteen ordering system in vanilla PHP

Dockerfile

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+FROM php:8.3-apache
+
+# Install system dependencies & SQLite / MySQL PDO drivers
+RUN apt-get update && apt-get install -y \
+    libsqlite3-dev \
+    sqlite3 \
+    unzip \
+    && docker-php-ext-install pdo pdo_sqlite pdo_mysql \
+    && rm -rf /var/lib/apt/lists/*
+
+# Enable Apache Rewrite Module
+RUN a2enmod rewrite
+
+# Configure Apache DocumentRoot to point to /public
+ENV APACHE_DOCUMENT_ROOT=/var/www/html/public
+
+RUN sed -ri -e 's!/var/www/html!${APACHE_DOCUMENT_ROOT}!g' /etc/apache2/sites-available/*.conf \
+    && sed -ri -e 's!/var/www/!${APACHE_DOCUMENT_ROOT}!g' /etc/apache2/apache2.conf /etc/apache2/conf-available/*.conf
+
+# Set working directory
+WORKDIR /var/www/html
+
+# Copy application files
+COPY . /var/www/html/
+
+# Create storage directory and ensure proper write permissions
+RUN mkdir -p /var/www/html/storage && \
+    chown -R www-data:www-data /var/www/html/storage && \
+    chmod -R 775 /var/www/html/storage
+
+# Expose HTTP port
+EXPOSE 80
+
+CMD ["apache2-foreground"]