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Lock node:25-bookworm-slim to a specific digest to prevent uncontrolled changes from upstream patch releases. Dependabot already watches this directory and will propose digest bumps. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
The base image
node:25-bookworm-slimwas pinned to a major version only, meaning upstream patch releases could introduce vulnerabilities or subtle behavior changes without any change on our side. Pinning to a full digest locks all transitive dependencies (apt packages, system libraries) to a known-good state. Dependabot already monitors this directory and will propose digest bumps automatically.Related Issues
Fixes #19
Changes
FROM node:25-bookworm-slimto its current digest in the ci-tools Dockerfile