name: docker

on:
  push:
    branches:
    - master
    - dev
    - travis-multiarch-builds
    tags:
    - 'ng-*'


#            --build-arg BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ') \
#            --build-arg VCS_REF=${GITHUB_SHA::8} \

jobs:
  # build and push image to docker hub.
  buildx:
    runs-on: ubuntu-latest
    steps:
      -
        name: Prepare
        id: prepare
        run: |
          VERSION=edge
          if [[ $GITHUB_REF == refs/tags/ng-* ]]; then
            VERSION=${GITHUB_REF#refs/tags/ng-}
          fi
          if [[ $GITHUB_REF == refs/heads/* ]]; then
            VERSION=${GITHUB_REF#refs/heads/}
          fi
          echo ::set-output name=version::${VERSION}
      -
        name: Checkout
        uses: actions/checkout@v2
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      -
        name: Cache Docker layers
        uses: pat-s/always-upload-cache@v2
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-
      -
        name: Login to DockerHub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
      -
        name: Build and push
        uses: docker/build-push-action@v2
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64,linux/arm/v7
          push: true
          tags: jonaswinkler/paperless-ng:${{ steps.prepare.outputs.version }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache
      -
        name: Inspect image
        run: |
          docker buildx imagetools inspect jonaswinkler/paperless-ng:${{ steps.prepare.outputs.version }}