Skip to content

Create and publish a Docker image #23

Create and publish a Docker image

Create and publish a Docker image #23

Workflow file for this run

name: Create and publish a Docker image
on:
release:
types:
- published
env:
REGISTRY: ghcr.io
IMAGE_NAME: ${{ github.repository }}
jobs:
docker_build:
runs-on: ${{ matrix.os }}
strategy:
matrix:
include:
- os: ubuntu-latest
arch: amd64
- os: ubuntu-24.04-arm
arch: arm64
permissions:
contents: read
packages: write
steps:
- name: Checkout repository
uses: actions/checkout@v4
- name: Convert repository name to lowercase
id: lowercase
run: echo "image_name=$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT
- name: Set up QEMU
uses: docker/setup-qemu-action@master
with:
platforms: all
- name: Set up Docker Buildx
id: buildx
uses: docker/setup-buildx-action@master
- name: Log in to the Container registry
uses: docker/login-action@v3
with:
registry: ${{ env.REGISTRY }}
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Extract metadata (tags, labels) for Docker
id: meta
uses: docker/metadata-action@v5
with:
images: ${{ env.REGISTRY }}/${{ steps.lowercase.outputs.image_name }}
- name: Extract tag name
id: tag
run: echo TAG_NAME=$(echo $GITHUB_REF | cut -d / -f 3) >> $GITHUB_OUTPUT
- name: Build and push Docker image
uses: docker/build-push-action@v5
with:
context: .
builder: ${{ steps.buildx.outputs.name }}
platforms: linux/${{ matrix.arch }}
push: true
tags: |
${{ env.REGISTRY }}/${{ steps.lowercase.outputs.image_name }}:${{ steps.tag.outputs.TAG_NAME }}-${{ matrix.arch }}
${{ env.REGISTRY }}/${{ steps.lowercase.outputs.image_name }}:latest-${{ matrix.arch }}
labels: ${{ steps.meta.outputs.labels }}
cache-from: type=gha,scope=${{ matrix.arch }}
cache-to: type=gha,mode=max,scope=${{ matrix.arch }}
provenance: false
sbom: false
docker_manifest:
needs: docker_build
runs-on: ubuntu-latest
permissions:
contents: read
packages: write
steps:
- name: Convert repository name to lowercase
id: lowercase
run: echo "image_name=$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT
- name: Log in to the Container registry
uses: docker/login-action@v3
with:
registry: ${{ env.REGISTRY }}
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Extract tag name
id: tag
run: echo TAG_NAME=$(echo $GITHUB_REF | cut -d / -f 3) >> $GITHUB_OUTPUT
- name: Create and push multi-platform manifest
run: |
# Create manifest list for specific tag
docker manifest create ${{ env.REGISTRY }}/${{ steps.lowercase.outputs.image_name }}:${{ steps.tag.outputs.TAG_NAME }} \
--amend ${{ env.REGISTRY }}/${{ steps.lowercase.outputs.image_name }}:${{ steps.tag.outputs.TAG_NAME }}-amd64 \
--amend ${{ env.REGISTRY }}/${{ steps.lowercase.outputs.image_name }}:${{ steps.tag.outputs.TAG_NAME }}-arm64
# Annotate the manifest with architecture info
docker manifest annotate ${{ env.REGISTRY }}/${{ steps.lowercase.outputs.image_name }}:${{ steps.tag.outputs.TAG_NAME }} \
${{ env.REGISTRY }}/${{ steps.lowercase.outputs.image_name }}:${{ steps.tag.outputs.TAG_NAME }}-amd64 \
--arch amd64 --os linux
docker manifest annotate ${{ env.REGISTRY }}/${{ steps.lowercase.outputs.image_name }}:${{ steps.tag.outputs.TAG_NAME }} \
${{ env.REGISTRY }}/${{ steps.lowercase.outputs.image_name }}:${{ steps.tag.outputs.TAG_NAME }}-arm64 \
--arch arm64 --os linux
docker manifest push ${{ env.REGISTRY }}/${{ steps.lowercase.outputs.image_name }}:${{ steps.tag.outputs.TAG_NAME }}
# Create manifest list for latest tag
docker manifest create ${{ env.REGISTRY }}/${{ steps.lowercase.outputs.image_name }}:latest \
--amend ${{ env.REGISTRY }}/${{ steps.lowercase.outputs.image_name }}:latest-amd64 \
--amend ${{ env.REGISTRY }}/${{ steps.lowercase.outputs.image_name }}:latest-arm64
# Annotate the latest manifest with architecture info
docker manifest annotate ${{ env.REGISTRY }}/${{ steps.lowercase.outputs.image_name }}:latest \
${{ env.REGISTRY }}/${{ steps.lowercase.outputs.image_name }}:latest-amd64 \
--arch amd64 --os linux
docker manifest annotate ${{ env.REGISTRY }}/${{ steps.lowercase.outputs.image_name }}:latest \
${{ env.REGISTRY }}/${{ steps.lowercase.outputs.image_name }}:latest-arm64 \
--arch arm64 --os linux
docker manifest push ${{ env.REGISTRY }}/${{ steps.lowercase.outputs.image_name }}:latest