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publish-docker-image.yml
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name: Publish Docker image
on:
workflow_dispatch:
push:
branches:
- development
tags:
- "v*.*.*"
jobs:
lint:
uses: ./.github/workflows/docker-lint.yml
permissions:
contents: read
build:
name: Build Docker image for ${{ matrix.platform }}
needs:
- lint
runs-on: ${{ matrix.os }}
permissions:
packages: write
contents: read
attestations: write
id-token: write
strategy:
matrix:
include:
- platform: linux/amd64
os: ubuntu-24.04
- platform: linux/arm64
os: ubuntu-24.04-arm
steps:
- name: Check out the repo
uses: actions/checkout@v6
- name: Prepare
run: |
platform=${{ matrix.platform }}
echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
- name: Log in to the Container registry
uses: docker/login-action@v3
with:
registry: ghcr.io
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Extract metadata (tags, labels) for Docker
id: meta
uses: docker/metadata-action@v5
with:
images: ghcr.io/${{ github.repository }}
tags: |
type=ref,event=branch,prefix=dev-
type=ref,event=pr
type=semver,pattern={{version}}
type=semver,pattern={{major}}.{{minor}}
type=semver,pattern={{major}}
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Build and push Docker images
uses: docker/build-push-action@v6
id: push
env:
DOCKER_BUILDKIT: 1
with:
context: .
platforms: ${{ matrix.platform }}
push: ${{ github.event_name != 'pull_request' }}
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
annotations: ${{ steps.meta.outputs.annotations }}
- name: Export digest
run: |
mkdir -p ${{ runner.temp }}/digests
digest="${{ steps.push.outputs.digest }}"
touch "${{ runner.temp }}/digests/${digest#sha256:}"
- name: Upload digest
uses: actions/upload-artifact@v7
with:
name: digests-${{ env.PLATFORM_PAIR }}
path: ${{ runner.temp }}/digests/*
if-no-files-found: error
retention-days: 1
merge:
# This job merges the Docker manifests for the different platforms built in the previous job.
name: Merge Docker manifests
runs-on: ubuntu-latest
permissions:
packages: write
contents: read
needs:
- build
steps:
- name: Download digests
uses: actions/download-artifact@v7
with:
path: ${{ runner.temp }}/digests
pattern: digests-*
merge-multiple: true
- name: Log into GitHub Container Registry
uses: docker/login-action@v3
with:
registry: ghcr.io
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Setup Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Extract metadata (tags, labels) for Docker
id: meta
uses: docker/metadata-action@v5
with:
images: ghcr.io/${{ github.repository }}
tags: |
type=ref,event=branch,prefix=dev-
type=ref,event=branch
type=ref,event=pr
type=semver,pattern={{version}}
type=semver,pattern={{major}}.{{minor}}
- name: Create manifest list and push
working-directory: ${{ runner.temp }}/digests
run: |
docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
$(printf 'ghcr.io/${{ github.repository }}@sha256:%s ' *)
- name: Inspect Image
run: |
docker buildx imagetools inspect ghcr.io/${{ github.repository }}:${{ steps.meta.outputs.version }}