Skip to content

Publish Docker Image #3

Publish Docker Image

Publish Docker Image #3

Workflow file for this run

name: Publish Docker Image
on:
workflow_dispatch:
inputs:
tag:
description: "Docker image tag (e.g., latest, v0.1.0)"
required: false
default: "latest"
permissions:
contents: read
packages: write
env:
REGISTRY: ghcr.io
IMAGE_NAME: ${{ github.repository }}
jobs:
build-image:
name: Build Docker image (${{ matrix.arch }})
strategy:
matrix:
include:
- runner: ubuntu-latest
arch: amd64
- runner: ubuntu-22.04-arm
arch: arm64
runs-on: ${{ matrix.runner }}
steps:
- name: Checkout repository
uses: actions/checkout@v4
- 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 Docker image
uses: docker/build-push-action@v6
with:
context: .
file: ./Dockerfile
push: true
tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ inputs.tag }}-${{ matrix.arch }}
platforms: linux/${{ matrix.arch }}
cache-from: type=gha,scope=${{ matrix.arch }}
cache-to: type=gha,scope=${{ matrix.arch }},mode=max
publish-manifest:
name: Create and push multi-arch manifest
runs-on: ubuntu-latest
needs: build-image
steps:
- 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 multi-arch manifest
env:
SHORT_SHA: ${{ github.sha }}
run: |
docker buildx imagetools create \
-t ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ inputs.tag }} \
-t ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:sha-${SHORT_SHA::7} \
${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ inputs.tag }}-amd64 \
${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ inputs.tag }}-arm64