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v0.51.3

v0.51.3 #2

name: Publish Docker Image
on:
workflow_dispatch:
release:
types: [published]
env:
REGISTRY: ghcr.io
IMAGE_NAME: ${{ github.repository }}
jobs:
# 1. Build each arch, push by digest, upload as artifact
build:
name: Build (${{ matrix.arch }}, ${{ matrix.suffix }})
runs-on: ubuntu-24.04
permissions:
contents: read
packages: write
strategy:
fail-fast: false
matrix:
include:
- libc: musl
suffix: alpine
arch: amd64
platform: linux/amd64
- libc: musl
suffix: alpine
arch: arm64
platform: linux/arm64
- libc: gnu
suffix: trixie
arch: amd64
platform: linux/amd64
- libc: gnu
suffix: trixie
arch: arm64
platform: linux/arm64
outputs:
# Each matrix leg writes its digest; the merge job reads them by index
digest-musl-amd64: ${{ steps.build.outputs.digest && matrix.libc == 'musl' && matrix.arch == 'amd64' && steps.build.outputs.digest || '' }}
digest-musl-arm64: ${{ steps.build.outputs.digest && matrix.libc == 'musl' && matrix.arch == 'arm64' && steps.build.outputs.digest || '' }}
digest-gnu-amd64: ${{ steps.build.outputs.digest && matrix.libc == 'gnu' && matrix.arch == 'amd64' && steps.build.outputs.digest || '' }}
digest-gnu-arm64: ${{ steps.build.outputs.digest && matrix.libc == 'gnu' && matrix.arch == 'arm64' && steps.build.outputs.digest || '' }}
steps:
- name: Checkout
uses: actions/checkout@v4
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Log in to GHCR
uses: docker/login-action@v3
with:
registry: ${{ env.REGISTRY }}
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Build and push by digest
id: build
uses: docker/build-push-action@v6
with:
context: .
push: true
platforms: ${{ matrix.platform }}
build-args: LIBC=${{ matrix.libc }}
# Push to a digest-only ref (no tag) so the merge job can assemble
# the final multi-arch manifest cleanly
outputs: type=image,name=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
cache-from: type=gha,scope=${{ matrix.suffix }}-${{ matrix.arch }}
cache-to: type=gha,mode=max,scope=${{ matrix.suffix }}-${{ matrix.arch }}
- name: Export digest
run: |
mkdir -p /tmp/digests
digest="${{ steps.build.outputs.digest }}"
touch "/tmp/digests/${digest#sha256:}"
- name: Upload digest artifact
uses: actions/upload-artifact@v4
with:
name: digest-${{ matrix.suffix }}-${{ matrix.arch }}
path: /tmp/digests/*
if-no-files-found: error
retention-days: 1
# 2. merge arch digests into a single multi-arch manifest per variant
merge:
name: Merge (${{ matrix.suffix }})
runs-on: ubuntu-24.04
needs: build
permissions:
contents: read
packages: write
strategy:
fail-fast: false
matrix:
include:
- libc: musl
suffix: alpine
- libc: gnu
suffix: trixie
steps:
- name: Download digests
uses: actions/download-artifact@v4
with:
path: /tmp/digests
pattern: digest-${{ matrix.suffix }}-*
merge-multiple: true
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Log in to GHCR
uses: docker/login-action@v3
with:
registry: ${{ env.REGISTRY }}
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Extract metadata
id: meta
uses: docker/metadata-action@v5
with:
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
flavor: |
suffix=-${{ matrix.suffix }},onlatest=true
tags: |
type=semver,pattern={{version}}
type=semver,pattern={{major}}.{{minor}}
type=raw,value=latest
- name: Create and push multi-arch manifest
working-directory: /tmp/digests
run: |
docker buildx imagetools create \
$(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
$(printf '${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@sha256:%s ' *)