publish.yml

name: Publish Docker image

on:
  push:
    branches:
      - master
    tags:
      - 'v*.*.*'

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  push_to_registry:
    name: Push Docker image to GitHub Packages
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

      - name: Set up QEMU
        uses: docker/setup-qemu-action@5964de0df58d5ad28b04d8fe2e6b80ad47105b91 # v3.5.0
        with:
          platforms: all

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@b5ca514318bd6ebac0fb2aedd5d36ec1b5c232a2 # v3.10.0
        with:
          buildkitd-config: .github/buildkitd.toml

      - name: Login to GitHub Container Registry
        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Retrieve author data
        id: author
        run: |
          AUTHOR=$(curl -sSL ${{ github.event.repository.owner.url }} | jq -r '.name')
          echo "AUTHOR=$AUTHOR" >> $GITHUB_ENV

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 # v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=tag
            type=sha,prefix=sha-
          labels: |
            org.opencontainers.image.authors=${{ env.AUTHOR }}
            org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}
            org.opencontainers.image.created=${{ steps.meta.outputs.created }}

      - name: Build and push container image
        uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4 # v6.15.0
        with:
          context: .
          platforms: linux/amd64,linux/arm64/v8,linux/arm/v7,linux/ppc64le,linux/s390x
          push: true
          cache-from: type=gha
          cache-to: type=gha,mode=max
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            VERSION=${{ github.head_ref || github.ref_name }}
            COMMIT=${{ github.sha }}