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Add experimental docker builder action #1

Add experimental docker builder action

Add experimental docker builder action #1

Workflow file for this run

name: Configure and Build in Docker
on:
push:
branches:
- dockertest
env:
REGISTRY: ghcr.io
IMAGE_NAME: ${{ github.repository }}
jobs:
build:
permissions:
contents: read
packages: write
attestations: write
id-token: write
name: Configure and Build
runs-on: ${{ matrix.os }}
strategy:
fail-fast: false
matrix:
os: [ubuntu-latest, macos-14]
steps:
- name: Prepare variables
id: vars
run: |
os=${{ matrix.os }}
platform="$(test \"$os\" = \"ubuntu-latest\" && echo linux/amd64 || echo linux/arm64)"
echo "platform=${platform}" >> $GITHUB_OUTPUT
echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
- uses: actions/checkout@v4
- name: Docker meta
id: meta
uses: docker/metadata-action@v5
with:
images: ${{ env.IMAGE_NAME }}
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Log in to the Container registry
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:
platforms: ${{ steps.vars.outputs.platform }}
labels: ${{ steps.meta.outputs.labels }},
outputs: type=image,name=${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
- name: Export digest
run: |
mkdir -p /tmp/digests
digest="${{ steps.build.outputs.digest }}"
touch "/tmp/digests/${digest#sha256:}"
- name: Upload digest
uses: actions/upload-artifact@v4
with:
name: digests-${{ env.PLATFORM_PAIR }}
path: /tmp/digests/*
if-no-files-found: error
retention-days: 1
merge:
runs-on: ubuntu-latest
permissions:
contents: read
packages: write
attestations: write
id-token: write
needs:
- build
steps:
- name: Download digests
uses: actions/download-artifact@v4
with:
path: /tmp/digests
pattern: digests-*
merge-multiple: true
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Docker meta
id: meta
uses: docker/metadata-action@v5
with:
images: ${{ env.IMAGE_NAME }}
- name: Log in to the Container registry
uses: docker/login-action@v3
with:
registry: ${{ env.REGISTRY }}
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Create manifest list and push
working-directory: /tmp/digests
run: |
docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
$(printf '${{ env.IMAGE_NAME }}@sha256:%s ' *)
- name: Inspect image
run: |
docker buildx imagetools inspect ${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }}