Fix 502 Bad Gateway on startup and update PHP configuration paths #468
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I observed a race condition during container scale-out: Nginx began forwarding traffic before php-fpm was ready to handle connections, resulting in intermittent 502 Bad Gateway errors.
Changes:
to include a wait loop. It now uses nc (netcat) to wait until php-fpm is listening on port 9000 before starting Nginx.
Dependencies: Added netcat-openbsd to the Dockerfile to support the new readiness check.