deps: reduce docker cooldown to 2 days - #2666
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MCR rebuilds the base images to ship CVE fixes, so the cooldown delays the patches this repo needs. Nothing bypasses it. Dependabot does not scan image contents, so base image CVEs never raise a dependabot security alert. govulncheck and Trivy report them instead. A long window also starves a frequently rebuilt tag. MCR re-pushed the 1.26.6 tag 3 days after the first push, which reset the window from 21 to 24 August. Two days still covers a same-day bad push. gomod and npm keep 7 days. Signed-off-by: Quang Nguyen <28567936+nddq@users.noreply.github.com>
Quang Nguyen (nddq)
requested review from
Iti Agrawal (agrawaliti) and
Ashish Nair (nairashu)
August 18, 2026 16:08
Quang Nguyen (nddq)
enabled auto-merge
August 18, 2026 16:13
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ibezrukavyi
approved these changes
Aug 18, 2026
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Description
MCR rebuilds the base images to ship CVE fixes, so the cooldown delays the patches this repo needs. Nothing bypasses it. Dependabot does not scan image contents, so base image CVEs never raise a dependabot security alert. govulncheck and Trivy report them instead.
The delay is measurable:
golang:1.26.6-azurelinux3.0landed on 14 August and is still unproposed. The 7 error-severity stdlib findings stay open until it lands.A long window also starves a frequently rebuilt tag. MCR re-pushed
1.26.6on 17 August, which reset the window to 24 August.Two days still covers a same-day bad push. The groups, the weekly interval, and the full image build on every PR already limit the risk.
gomodandnpmkeep 7 days.Related Issue
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Checklist
git commit -S -s ...). See this documentation on signing commits.Screenshots (if applicable) or Testing Completed
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Additional Notes
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