publish.yaml

name: Publish Docker image

on:
  workflow_run:
    workflows: ["Release Workflow"]
    types:
      - completed
  workflow_dispatch:

jobs:
  push_to_registries:
    name: Push Docker image to multiple registries
    runs-on: ubuntu-latest
    if: ${{ github.event.workflow_run.conclusion == 'success' }}
    permissions:
      packages: write
      contents: read
    steps:
      - name: Check out the repo
        uses: actions/checkout@v4

      - name: Fetch tags
        run: git fetch --depth=1 --tags

      - name: Get latest tag or set default
        id: latest_tag
        run: |
          TAG=$(git tag -l --sort=-v:refname | grep -E '^[0-9]+\.[0-9]+\.[0-9]+$' | head -n 1)
          if [ -z "$TAG" ]; then
            TAG="latest"
          fi
          echo "::set-output name=tag::$TAG"

      - name: Log in to the Container registry
        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
        with:
          images: |
            ghcr.io/${{ github.repository }}
          tags: |
            type=raw,value=${{ steps.latest_tag.outputs.tag }}

      - name: Build and push Docker images
        uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}