// Example of using containerization to secure process isolation in production
// Dockerfile for a secure application environment
FROM php:7.4-apache
# Install necessary extensions
RUN docker-php-ext-install mysqli && \
docker-php-ext-enable mysqli
// Create a non-root user for security
RUN useradd -ms /bin/bash appuser
// Set permissions on the application directory
RUN chown -R appuser:appuser /var/www/html
// Switch to non-root user
USER appuser
// Copy application files into the container
COPY --chown=appuser:appuser ./src /var/www/html
// Expose port
EXPOSE 80
// Command to run the application
CMD ["apache2-foreground"]
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