dockerimage.yml

name: Docker Build/Publish Image
on:
  push:
    branches: [ master ]
jobs:
  build:
    runs-on: ubuntu-20.04
    env:
      DOCKER_REGISTRY: ghcr.io
      DOCKER_IMAGE: martijnversluis/home_app
      DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
      DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
      DOCKER_TARGET_PLATFORM: linux/arm/v7
      SECRET_KEY_BASE: ${{ secrets.SECRET_KEY_BASE }}
    steps:
      - name: Checkout the code
        uses: actions/checkout@v1
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      - name: Prepare
        if: success()
        id: prepare
        run: |
          echo ::set-output name=docker_platform::${DOCKER_TARGET_PLATFORM}
          echo ::set-output name=docker_image::${DOCKER_REGISTRY}/${DOCKER_IMAGE}
          echo ::set-output name=version::${GITHUB_RUN_NUMBER}
      - name: Docker Login
        if: success()
        run: |
          echo "${DOCKER_PASSWORD}" | docker login ${DOCKER_REGISTRY} --username "${DOCKER_USERNAME}" --password-stdin
      - name: Run Buildx (push image)
        if: success()
        run: |
          docker buildx build \
          --platform ${{ steps.prepare.outputs.docker_platform }} \
          --tag ${{ steps.prepare.outputs.docker_image }}:${{ steps.prepare.outputs.version }} \
          --file ./Dockerfile \
          --output type=image,push=true .