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ci: manual cleanup workflow for claude-code GHCR images - #84
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Adds a workflow_dispatch-only workflow that prunes old versions of the ghcr.io/gatezh/devcontainers/claude-code and claude-code-sandbox packages. Other packages in this repo are out of scope and unreachable from this workflow. Defaults are conservative: 90-day retention and dry-run=true, so the first "Run workflow" click is always a safe preview. To actually delete, re-run with the dry-run checkbox unchecked. `latest` is preserved unconditionally via exclude-tags. One-time setup: each target package must grant this repository the "Admin" role under Package Settings -> Manage Actions access in the GHCR UI; otherwise the action returns 403.
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What
Adds a manually-triggered GitHub Actions workflow that prunes old container versions of the
claude-codeandclaude-code-sandboxpackages on GHCR.Why
build-claude-code.ymlruns daily and pushes three new tags per image (latest,<sha>,<YYYYMMDD>) for two architectures. Each timelatestmoves, the previous manifest becomes untagged but stays forever — GHCR never auto-prunes. Over months this clutters the package version list and slows API paging. Public packages have free unlimited storage on GHCR, so this is a hygiene improvement, not a cost fix.Other images in this repo (
bun,hugo-bun,hugo-bun-node,ralphex-fe,claude-bun) only rebuild on Dockerfile changes and don't have the same accumulation problem, so they're explicitly out of scope.Changes
.github/workflows/cleanup-claude-code-ghcr.ymlworkflow_dispatchonly — no cron, no automatic executionretention-days(default90),dry-run(defaulttrue)[claude-code, claude-code-sandbox]so each package is processed independentlydataaxiom/ghcr-cleanup-action@v1, which is multi-arch-safe (it skips child manifests still referenced by tagged manifest lists)exclude-tags: latestunconditionally preserves the movinglatestpointerNotes
One-time setup required before the first real run: for each of the two packages, open Package settings → Manage Actions access in the GHCR UI, add this repository, and grant Admin. Without that, the action returns 403.
Verification (post-merge, since
workflow_dispatchonly resolves once onmaster):latestis preserved and only versions older than 90 days are listed.docker manifest inspect ghcr.io/gatezh/devcontainers/claude-code:lateststill returns bothlinux/amd64andlinux/arm64entries.CI will only run
actionlinton this PR (no Dockerfile changes);actionlintwas also run locally and passes.