Base image build process - #7270
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Content-Addressed Base Images via GitLab CI
Summary
Automate weblog base image publishing with content-addressed tags, replacing the manual label-driven workflow (
build-*-base-imagesPR labels + manual version bumps + human push coordination).What Changed
build_base_imagesGitLab CI job runs on every push: derives dependencies fromCOPYinstructions in each*.base.Dockerfile, computes a 12-char content hash, and pushesdatadog/system-tests:<name>.base-<hash>if the tag doesn't exist. Idempotent — never overwrites.utils/build/docker/base-images.lock.json) maps stable aliases (system_tests_base_nodejs_express4) → immutable tags. Consumer Dockerfiles useFROM <alias>, resolved via BuildKit--build-contextat build time.wait_for_base_image.py) for the locked tag instead.build-*-base-imageslabels,_build_weblog_base_imagesworkflow input, manual-vNtag management.New Workflow
python utils/scripts/build_base_images.py --update-lock+python utils/scripts/update_mirror_images.pyWorkflow
🚀 Once your PR is reviewed and the CI green, you can merge it!
🛟 #apm-shared-testing 🛟
Reviewer checklist
tests/ormanifests/is modified ? I have the approval from R&P teambuild-XXX-imagelabel is present