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container-gobuilder/README.md
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README: scope the no-floating-tag line to what this repo publishes
The previous wording claimed nothing in the estate floats, which the workflows
themselves contradict — they pull the plugin image by a floating tag.
2026-09-28 23:53:22 +10:00

1.3 KiB

container-gobuilder

The estate's Go toolchain image, built on each container-base distro image. Published as artifactapi.k8s.syd1.au.unkin.net/docker-internal/gobuilder:<version>-<suffix>; the default distro's build is retagged as the unsuffixed :<version>, so both resolve to one digest. Only explicit versions are published; never a floating tag.

distro from tag suffix default
alma9 docker-internal/almalinux9:<base version> alma9 yes

Adds golang, gcc and nfpm, and bakes in the go-cache-plugin binary on PATH so Go pipelines get the shared build cache with no download step. No credentials and no GOCACHEPROG value are baked in — consumers set those.

The container-base release this image builds on is BASE_VERSION in the Dockerfile.

Adding a distro

  1. distros/<name>/distro.env — BASE_IMAGE_NAME, IMAGE, TAG_SUFFIX, DEFAULT, PACKAGES, GO_MIN.
  2. One include entry in each of .woodpecker/{build,docker}.yaml.

The check-distros pre-commit hook fails if step 1 or 2 is incomplete, or if more than one distro claims DEFAULT.

Make

make build          # build every distro
make pre-commit     # uvx pre-commit run --all-files
make build-alma9    # one distro
make patch|minor|major