Docker Production Readiness Checker

Evaluate Docker configuration for production deployment of PHP applications using a scored checklist.

Production Readiness Checklist

1. HEALTHCHECK Instruction (10 pts)

HEALTHCHECK --interval=10s --timeout=3s --start-period=10s --retries=3 \
    CMD php-fpm-healthcheck || exit 1

2. STOPSIGNAL for Graceful Shutdown (10 pts)

# PHP-FPM needs SIGQUIT for graceful stop
STOPSIGNAL SIGQUIT