cronmaster/.github/workflows/docker-publish.yml

name: Build and Publish Multi-Platform Docker Image

on:
  push:
    branches: ["main", "develop"]
    tags: ["*"]

jobs:
  build-amd64:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Prepare repository name in lowercase
        id: repo
        run: echo "name=$(echo '${{ github.repository }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT

      - 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: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ghcr.io/${{ steps.repo.outputs.name }}
          tags: |
            type=ref,event=branch,suffix=-amd64
            type=ref,event=tag,suffix=-amd64
            type=raw,value=latest,suffix=-amd64,enable=${{ startsWith(github.ref, 'refs/tags/') }}

      - name: Build and push AMD64 Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/amd64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

  build-arm64:
    runs-on: ubuntu-22.04-arm
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Prepare repository name in lowercase
        id: repo
        run: echo "name=$(echo '${{ github.repository }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - 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: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ghcr.io/${{ steps.repo.outputs.name }}
          tags: |
            type=ref,event=branch,suffix=-arm64
            type=ref,event=tag,suffix=-arm64
            type=raw,value=latest,suffix=-arm64,enable=${{ startsWith(github.ref, 'refs/tags/') }}

      - name: Build and push ARM64 Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

  manifest:
    needs: [build-amd64, build-arm64]
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Prepare repository name in lowercase
        id: repo
        run: echo "name=$(echo '${{ github.repository }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT

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

      - name: Extract metadata for final manifest
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ghcr.io/${{ steps.repo.outputs.name }}
          tags: |
            type=ref,event=branch
            type=ref,event=tag
            type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/') }}

      - name: Create and push manifest list
        run: |
          echo "${{ steps.meta.outputs.tags }}" | while read -r tag; do
            if [ -z "$tag" ]; then continue; fi
            echo "Creating manifest for ${tag}"
            docker buildx imagetools create --tag "${tag}" \
              "${tag}-amd64" \
              "${tag}-arm64"
          done