release.yaml

name: Publish Releases to Docker Hub

on:
  push:
    tags:
      - '*'
jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Prepare Names
        id: prep
        run: |
          DOCKER_IMAGE=anagno/gandi-ddns
          VERSION=${GITHUB_REF#refs/tags/}
          TAGS="${DOCKER_IMAGE}:${VERSION}"
          TAGS="$TAGS,${DOCKER_IMAGE}:latest"
          echo ::set-output name=tags::${TAGS}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      - name: Login to DockerHub
        uses: docker/login-action@v1 
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push main branch 
        uses: docker/build-push-action@v2
        with:
          context: .
          platforms: linux/386,linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64,linux/ppc64le,linux/s390x
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.prep.outputs.tags }}

      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}