name: Build Docker Image

on:
  push:
    branches: [main]

jobs:
  docker:
    name: Build Docker Image
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Source code
        uses: actions/checkout@v2
      - 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: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Get short hash of commit
        id: sha_short
        shell: bash
        run: echo "::set-output name=sha_short::$(git rev-parse --short HEAD)"
      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: |
            kamikazechaser/digitaloceansnapshotter:${{ steps.sha_short.outputs.sha_short }}
            kamikazechaser/digitaloceansnapshotter:latest
      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}