feat: multi-arch (amd64+arm64) publishing to quay.io signed with cosign - #92
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Publish images to quay.io/labmonkeys via a quay robot account (QUAY_USERNAME, QUAY_PASSWORD, QUAY_LABMONKEYS_ORG), build the platforms each project declares, and sign the pushed index with keyless cosign (GitHub OIDC). - include.mk: MULTI_ARCH sourced from a per-project PLATFORMS var; new sign target; the Dockerfile target now passes envsubst an allowlist of only the vars version-lock.sh/base_images.sh export, so Docker build args like $TARGETARCH (and the image's own $PATH) survive rendering. - version-lock.sh: declare PLATFORMS per project (21 dual-arch, 7 amd64-only: 5 Java blocked on the amd64-only openjdk base, featmap/gobetween have no arm64 upstream binary). - Dockerfiles: diag, frrouting, mail-lab, gobgp, gohugo, retro-aim-server select their release artifact from $TARGETARCH. - build.yml: quay secrets, QEMU+buildx, cosign install, id-token: write, publish+sign on main. - README: multi-arch + signature-verification docs. Assisted-by: ClaudeCode:claude-opus-4-8 Signed-off-by: Ronny Trommer <ronny@no42.org>
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Publish images to quay.io/labmonkeys via a quay robot account (QUAY_USERNAME,
QUAY_PASSWORD, QUAY_LABMONKEYS_ORG), build the platforms each project declares,
and sign the pushed index with keyless cosign (GitHub OIDC).
target; the Dockerfile target now passes envsubst an allowlist of only the
vars version-lock.sh/base_images.sh export, so Docker build args like
$TARGETARCH (and the image's own $PATH) survive rendering.
5 Java blocked on the amd64-only openjdk base, featmap/gobetween have no
arm64 upstream binary).
select their release artifact from $TARGETARCH.
publish+sign on main.
Assisted-by: ClaudeCode:claude-opus-4-8
Signed-off-by: Ronny Trommer ronny@no42.org