Add mirror workflow for openjdk:27-ea-slim into quarantine/openjdk#36
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Pull request overview
Adds a new GitHub Actions “mirror-*” workflow to periodically sync a specific upstream container image (openjdk:27-ea-slim) from Docker Hub into this repo’s GHCR quarantine namespace, using the existing reusable _mirror-image.yml digest-compare/copy pattern.
Changes:
- Introduces
.github/workflows/mirror-openjdk.ymlwith a daily 06:00 UTC schedule and a manualworkflow_dispatchtrigger (including optionalforce). - Configures per-image concurrency (
mirror-quarantine-openjdk) and minimal permissions (contents: read,packages: write). - Delegates mirroring logic to
./.github/workflows/_mirror-image.ymland passes source/destination image+tag inputs.
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Adds a scheduled/manual mirror workflow that syncs
openjdk:27-ea-slimfrom Docker Hub intoghcr.io/toddysm/quarantine/openjdk:27-ea-slim.Follows the existing mirror pattern (thin caller delegating to
_mirror-image.yml):workflow_dispatchwith optionalforce.concurrencygroupmirror-quarantine-openjdk.permissions: contents: read, packages: write.Only copies when the source/destination digests differ. New
quarantine/openjdkpackage is created on first run (default private).