Christopher Mühl 297001e5fd Implement prestart fetch with S3 cache for dependencies ... - Prestart task fetches from S3 binary cache into shared volume - Server task serves from shared volume (read-only) - Build uses S3 cache as substituter (ultra-fast builds for shared deps) - Push entire closure to cache (derivation + dependencies) - No host involvement, pure container isolation Architecture: - Site A builds nodejs_20 + vite → pushed to cache - Site B builds → pulls nodejs_20 + vite from cache (instant) - Only builds site-specific code Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>		2026-02-16 15:02:21 +01:00
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action.yaml	Implement prestart fetch with S3 cache for dependencies	2026-02-16 15:02:21 +01:00