CI: pull shared build image instead of building locally#15
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Both deploy and release workflows used to buildx the TeX Live image on every job, with gha cache smoothing over the worst of it. That cache is scoped per-repo, so fresh branches paid ~13 min to install texlive-full from scratch. Switch to pulling ghcr.io/tamnd/beej-vi-docker:latest, a shared image maintained in tamnd/beej-vi-docker. Cold pull is ~30 s, no gha cache bookkeeping, no Dockerfile.vi to keep in sync across translation repos.
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Summary
Dockerfile.vibuild withdocker pull ghcr.io/tamnd/beej-vi-docker:latestin bothdeploy.ymlandrelease.yml.Dockerfile.vifrom this repo. The image now lives in tamnd/beej-vi-docker and is shared across all translation repos.scripts/build_vi_docker.shto pull the shared image rather than build locally.Why
The previous setup rebuilt the same
texlive-fullimage in every Beej translation repo.cache-from: type=ghahelped after the first run on a branch, but:texlive-fullinstall.Dockerfile.viin sync across bgnet-vi, bgc-vi, and any future translation repo was a copy-paste chore.Now every guide pulls one shared image. Cold pull is ~30 seconds; warm is a layer cache hit.
Test plan
buildjob on this PR completes without the old buildx / build-push-action steps