name: dockerhub release

# build master with multi-arch to docker hub

on:
  push:
    branches:
      - master
    tags:
      - v*
 
jobs:
  buildx-dockerhub:
    runs-on: ubuntu-latest
    env:
      DOCKER_REPO: newfuture/ddns
      DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
      DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
      DOCKER_PLATFORMS: linux/amd64,linux/arm,linux/arm64
      DOCKER_REGISTRY: ""
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      - name: Set up Docker buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
      - name: Prepare arguments
        id: prepare
        run: |
          DOCKER_TAGS="--tag ${DOCKER_REPO}:edge"
          if [[ $GITHUB_REF == refs/tags/v* ]]; then
            DOCKER_TAGS="--tag ${DOCKER_REPO}:latest --tag ${DOCKER_REPO}:${GITHUB_REF#refs/tags/}"
          fi
          echo ::set-output name=buildx_args:: --output "type=image,push=true" --platform ${DOCKER_PLATFORMS} ${DOCKER_TAGS} .
      - name: Docker login
        run: |
          echo "${DOCKER_PASSWORD}" | docker login "${DOCKER_REGISTRY}"  \
            --username "${DOCKER_USERNAME}" \
            --password-stdin
      - name: Run buildx and push
        if: success()
        run: docker buildx build ${{ steps.prepare.outputs.buildx_args }}
      - name: Docker Hub logout
        if: always()
        run: docker logout