shared-publish-docker.yaml

on:
  workflow_call:
    inputs:
      platforms:
        description: "List of platforms to build for"
        default: "linux/amd64,linux/arm64"
        required: false
        type: string

jobs:
  publish:
    name: Publish
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Check out repository
        uses: actions/checkout@v2
        with:
          ref: main
          fetch-depth: 0

      - name: Setup QEMU
        uses: docker/setup-qemu-action@v2

      - name: Setup Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to registry
        uses: docker/login-action@v2
        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/${{ github.repository }}
          labels: |
            org.opencontainers.image.source https://github.com/${{ github.repository }}
          tags: |
            latest
            type=ref,event=branch
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}
            type=semver,pattern={{major}}.{{minor}}.{{patch}}

      - name: Build Docker image
        uses: docker/build-push-action@v5
        with:
          push: true
          platforms: ${{ inputs.platforms }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}