Dockerfile

# Use PHP 8.5 with Apache
FROM php:8.5-apache

# Set working directory
WORKDIR /var/www/html

# Install system dependencies
RUN apt-get update && apt-get install -y \
    git \
    unzip \
    libzip-dev \
    curl \
    && docker-php-ext-install zip \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# Enable Apache modules
RUN a2enmod rewrite headers

# Set ServerName to suppress FQDN warning
RUN echo "ServerName github-php-compatibility-checker" >> /etc/apache2/apache2.conf

# Install Composer
COPY --from=composer:latest /usr/bin/composer /usr/bin/composer

# Copy composer files first for better layer caching
COPY composer.json composer.lock ./

# Install PHP dependencies
RUN composer install --no-dev --no-scripts --no-autoloader --prefer-dist

# Copy application files
COPY . .

# Complete Composer installation
RUN composer dump-autoload --optimize --no-dev

# Configure Apache DocumentRoot to public directory
ENV APACHE_DOCUMENT_ROOT=/var/www/html/public
RUN sed -ri -e 's!/var/www/html!${APACHE_DOCUMENT_ROOT}!g' /etc/apache2/sites-available/*.conf
RUN sed -ri -e 's!/var/www/!${APACHE_DOCUMENT_ROOT}!g' /etc/apache2/apache2.conf /etc/apache2/conf-available/*.conf

# Set proper permissions
RUN chown -R www-data:www-data /var/www/html \
    && chmod -R 755 /var/www/html

# Expose port 80
EXPOSE 80

# Health check to verify Apache is responding with valid content
HEALTHCHECK --interval=60s --timeout=3s --start-period=5s --retries=3 \
    CMD curl --fail-with-body -s http://localhost/ | grep -q "GitHub.*PHP.*Compatibility" || exit 1

# Start Apache
CMD ["apache2-foreground"]