Publish Docker images

This is how to publish a docker image simultaneously to the official Docker and Github registries.

Supported features

x86 and arm images
Push to both registries.
Semver tag labeling

We will assume that our image is called foo/bar, so our username is foo and the actual package is bar

name: Publish Docker image

on:
  release:
    types: [published]

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          install: true

      - name: Docker Labels
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            foo/bar
            ghcr.io/${{ github.repository }}
            # This assumes your repository is also github.com/foo/bar
            # You could also use ghcr.io/foo/some-package as long as you are the user/org "foo"            
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}            

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_TOKEN }}
      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}

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Publish Docker images

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Raw Blame History