Flavor-aware rebuild triggers for resources#34
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Each docker/image resource can now opt into one of three rebuild
strategies beyond today's git-scan default:
auto (default) newest-mtime across git-tracked files in context
always rebuild every invocation (e.g. images fetching external
content at build time)
watch-paths rebuild only when one of the listed paths has changed —
docker-context-relative, with a leading / escaping to the
monorepo root
Configurable per resource under rebuildTrigger, or as a flavor-wide
default under flavors.<flavor>.defaults.rebuildPolicy['docker/image'].
Precedence: resource > flavor default > builtin auto. Dep-cascade and
--force invariants are preserved.
The selected strategy, source, reason, and watched paths are surfaced
in build output via Listr task.output — auto stays silent to keep the
default UX compact.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Adds examples/rebuild-triggers/ — a two-component monorepo showing the dev-flavor watch-paths default applying to api and a resource-level always override winning on docs-scraper — plus a docker-compose.devel.yml overlay that mounts only each component's src/ folder so the image-installed /app/node_modules stays intact. Extends the configuration reference with a Rebuild triggers subsection under docker/image and adds a Rebuild Policies section to the Flavors guide, covering strategies, glob semantics, and precedence. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Two lightweight tests exercise the CLI path end-to-end via resources build --dry-run --json: that --flavor reaches the new rebuildPolicy field so api inherits the dev flavor's watch-paths default, and that a resource-level rebuildTrigger on docs-scraper still wins with source=resource when a flavor default is in play. Neither test needs Docker. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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