Hand-managed apk build deps + docker-php-ext-install was failing to build
on the server. Switch to the extension-installer image (same approach the
escapepage stack uses), which resolves system libs itself.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
- docker/php/php.ini: upload_max_filesize 8M / post_max_size 10M
- docker/nginx/default.conf: client_max_body_size 10M
- ArtworkType: Image maxSize 8M with a clear message + help text
(local C:\php\php.ini was bumped from 2M the same way — not in the repo)
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>