# Based on https://github.com/docker/build-push-action

name: "Docker Multiarch Build & Push"

on:
  push:
#    types: [published]
    branches: [master]

env:
  DOCKER_HUB_USER: neilalexander

jobs:
  BuildAndPush:
    runs-on: ubuntu-latest
    steps:
      - 
        name: Checkout
        uses: actions/checkout@v2
      - 
        name: Get release tag
        run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
      -
        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: ${{ env.DOCKER_HUB_USER }}
          password: ${{ secrets.DOCKER_TOKEN }}
      -
        name: Build temporary (builder) image
        id: docker_build_temporary
        uses: docker/build-push-action@v2
        with:
          context: .
          file: ./build/docker/Dockerfile
          platforms: linux/amd64,linux/arm64,linux/arm/v7
          push: false
          tags: ${{ env.DOCKER_HUB_USER }}/dendrite:latest
      -
        name: Build monolith image
        id: docker_build_monolith
        uses: docker/build-push-action@v2
        with:
          context: .
          file: ./build/docker/Dockerfile.monolith
          platforms: linux/amd64,linux/arm64,linux/arm/v7
          push: true
          tags: |
            ${{ env.DOCKER_HUB_USER }}/dendrite-monolith:latest
            ${{ env.DOCKER_HUB_USER }}/dendrite-monolith:${{ env.RELEASE_VERSION }}
      -
        name: Build polylith image
        id: docker_build_polylith
        uses: docker/build-push-action@v2
        with:
          context: .
          file: ./build/docker/Dockerfile.polylith
          platforms: linux/amd64,linux/arm64,linux/arm/v7
          push: true
          tags: |
            ${{ env.DOCKER_HUB_USER }}/dendrite-polylith:latest
            ${{ env.DOCKER_HUB_USER }}/dendrite-polylith:${{ env.RELEASE_VERSION }}
      -
        name: Image digest
        run: |
          echo Monolith ( ${{ env.RELEASE_VERSION }} ) image digest - ${{ steps.docker_build_monolith.outputs.digest }}
          echo Polylith ( ${{ env.RELEASE_VERSION }} ) image digest - ${{ steps.docker_build_polylith.outputs.digest }}