main.yml

# This is a basic workflow to help you get started with Actions

name: Build & Push

# Controls when the action will run. Triggers the workflow on push or pull request
# events but only for the master branch
on:
  release:
    types: [published]

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "build"
  build:
    # The type of runner that the job will run on
    runs-on: ubuntu-latest

    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      - name: Prepare
        id: prepare
        run: |
          if [[ $GITHUB_REF == refs/tags/* ]]; then
            echo ::set-output name=version::${GITHUB_REF#refs/tags/v}
          else
            echo ::set-output name=version::snapshot
          fi
          echo ::set-output name=build_date::$(date -u +'%Y-%m-%dT%H:%M:%SZ')
          echo ::set-output name=docker_image::eximiastudios/${{ github.event.repository.name }}

      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v2
        with:
          submodules: "recursive"

      - name: Dockerhub login
        env:
          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
        run: |
          echo "${DOCKER_PASSWORD}" | docker login --username ${DOCKER_USERNAME} --password-stdin
      - name: Set up Docker Buildx
        id: buildx
        uses: crazy-max/ghaction-docker-buildx@v1
        with:
          version: latest

      - name: Build and Publish to Docker
        if: success() && startsWith(github.ref, 'refs/tags/v')
        env:
          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
        run: |
          docker buildx build \
          --platform=linux/amd64,linux/arm/v7 \
          --output "type=image,push=true" \
          --build-arg "BUILD_DATE=${{ steps.prepare.outputs.build_date }}" \
          --build-arg "VERSION=${{ steps.prepare.outputs.version }}" \
          --tag "${{ steps.prepare.outputs.docker_image }}:${{ steps.prepare.outputs.version }}" \
          --tag "${{ steps.prepare.outputs.docker_image }}:latest" \
          --file ./Dockerfile . \