SRE-3874 ci: optimized docker images size (#18606)#18708
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phender merged 1 commit intoJul 24, 2026
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Reduce CI Docker image footprint with new minimal build-ci stage and make image build process faster. Summary This PR introduces a new minimal Docker image variant for CI, called build-ci, to reduce image size, startup cost, and infrastructure pressure across Jenkins and GitHub Actions. Key outcomes Adds a minimal build-ci image profile optimized for CI compilation and packaging workflows. Keeps full image flow available for broader/local build use cases. Reduces build-ci image footprint from about 12 GiB to about 2 GiB. Improves Docker image setup time by reducing package/install scope in CI paths. Lowers memory/storage consumption in Jenkins pipelines. Reduces cache and runner resource pressure in GitHub Actions workflows. Adds a new helper script to simplify and standardize DAOS RPM build execution in Docker. Why this matters CI runners spend less time pulling/building heavy images. More jobs can run reliably within existing storage/memory budgets. Pipeline behavior becomes more predictable by separating CI-minimal and full-build concerns. RPM build flow is easier to run and reproduce locally and in automation. Scope of changes Docker stage restructuring to support dedicated build-ci and build-local/full paths. Workflow updates to explicitly target lighter Docker stages where appropriate. Package installation split to keep optional/heavier dependencies out of build-ci. New Docker-driven RPM build helper script for repeatable artifact generation. Signed-off-by: Tomasz Gromadzki <tomasz.gromadzki@hpe.com>
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July 22, 2026 21:09
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Reduce CI Docker image footprint with new minimal build-ci stage and make image build process faster.
Summary
This PR introduces a new minimal Docker image variant for CI, called build-ci, to reduce image size, startup cost, and infrastructure pressure across Jenkins and GitHub Actions.
Key outcomes
Adds a minimal build-ci image profile optimized for CI compilation and packaging workflows. Keeps full image flow available for broader/local build use cases. Reduces build-ci image footprint from about 12 GiB to about 2 GiB. Improves Docker image setup time by reducing package/install scope in CI paths. Lowers memory/storage consumption in Jenkins pipelines. Reduces cache and runner resource pressure in GitHub Actions workflows. Adds a new helper script to simplify and standardize DAOS RPM build execution in Docker.
Why this matters
CI runners spend less time pulling/building heavy images. More jobs can run reliably within existing storage/memory budgets. Pipeline behavior becomes more predictable by separating CI-minimal and full-build concerns. RPM build flow is easier to run and reproduce locally and in automation.
Scope of changes
Docker stage restructuring to support dedicated build-ci and build-local/full paths. Workflow updates to explicitly target lighter Docker stages where appropriate. Package installation split to keep optional/heavier dependencies out of build-ci. New Docker-driven RPM build helper script for repeatable artifact generation.
Backport of: #18606
Steps for the author:
After all prior steps are complete: