fix(docker): use --prefer-offline for pnpm install in frontend builds#39
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`pnpm install --offline --frozen-lockfile` fails with ERR_PNPM_NO_OFFLINE_TARBALL on cold BuildKit caches (e.g. after `docker builder prune -af`). Root cause: `turbo prune --docker` can drop pnpm catalog entries from the pruned lockfile, so `pnpm fetch` silently skips catalog-resolved packages (e.g. @atlaskit/pragmatic-drag-and-drop@1.7.4). A pre-warmed pnpm-store cache from prior builds masks the gap until it's wiped. --prefer-offline preserves cache locality when warm and falls back to the registry on misses, so first/no-cache builds succeed. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Summary
pnpm install --offlinewith--prefer-offlinein the four frontend Dockerfiles (apps/web,apps/space,apps/admin,apps/live).ERR_PNPM_NO_OFFLINE_TARBALLon cold BuildKit caches (e.g. afterdocker builder prune -af).Why
The Dockerfiles do
pnpm fetch(online) →pnpm install --offline(cache-only), sharing the same BuildKitpnpm-storecache mount. In theoryfetchalways repopulates a wiped cache, so--offlineis safe. In practice,turbo prune --scope=<X> --dockercan drop pnpmcatalog:entries from the prunedpnpm-lock.yaml. With the catalogs section gone,pnpm fetchhas nothing to resolvecatalog:refs against and silently skips those packages (e.g.@atlaskit/pragmatic-drag-and-drop@1.7.4— referenced fromapps/web/package.jsonandpackages/ui/package.jsonvia"catalog:"). A pre-warmedpnpm-storecache from prior builds masked the gap until adocker builder prune -afwiped it.--prefer-offlinekeeps the cache benefit when warm and falls back to the registry on miss, so first/no-cache builds succeed without changing hot-path behavior.Test plan
docker builder prune -afthen buildplane-web→ succeeds withoutERR_PNPM_NO_OFFLINE_TARBALLplane-space,plane-admin,plane-liveplane-webdoesn't trigger fresh network fetches for already-cached tarballs🤖 Generated with Claude Code