chore(kube): pin runner images and harden cache cleanup#7754
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Pin floating image tags to prevent supply chain drift: - actions-runner:latest → actions-runner:2.332.0 - docker:dind → docker:29.2.1-dind - alpine:3.19 → alpine:3.21 Harden cache cleanup CronJob: - Add securityContext (non-root, read-only FS, drop ALL caps, seccomp) - Add activeDeadlineSeconds: 300 - Set backoffLimit: 0 and restartPolicy: Never
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Dependency Review✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.Scanned FilesNone |
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Summary
Changes
Image Pinning
:latest:2.332.0:dind:29.2.1-dind:3.19:3.21Cache Cleanup Hardening
securityContext: runAsNonRoot (UID 1000), seccomp RuntimeDefaultsecurityContext: no privilege escalation, read-only FS, drop ALL capabilitiesactiveDeadlineSeconds: 300(5 min timeout)backoffLimit: 0+restartPolicy: Never(fail fast)Risk
Low — image pins are the latest stable versions. CronJob hardening only restricts the cleanup container (read-only FS is fine since it only reads/deletes from the mounted PVC).
Test plan
arc-runner-setdocker:29.2.1-dind🤖 Generated with Claude Code