build-and-publish-image.yml

---
name: build
env:
  image: pdok/gomagpie
on:
  push:
    tags:
      - '*'
jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - name: Docker meta
        id: docker_meta
        uses: docker/metadata-action@v3
        with:
          images: ${{ env.image }}
          tags: |
            type=semver,pattern={{major}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{version}}
      - name: Login to PDOK Docker Hub
        if: startsWith(env.image, 'pdok/')
        uses: docker/login-action@v1
        with:
          username: koalapdok
          password: ${{ secrets.DOCKERHUB_PUSH }}
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      - name: Cache Docker layers
        uses: actions/cache@v2
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-buildx-
      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          push: true
          tags: ${{ steps.docker_meta.outputs.tags }}
          labels: ${{ steps.docker_meta.outputs.labels }}
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new
      - # Temp fix to cleanup cache
        # https://github.com/docker/build-push-action/issues/252
        # https://github.com/moby/buildkit/issues/1896
        name: Move cache
        run: |
          rm -rf /tmp/.buildx-cache
          mv /tmp/.buildx-cache-new /tmp/.buildx-cache
      - name: Build result notification
        if: success() || failure()
        uses: 8398a7/action-slack@v3
        with:
          fields: all
          status: custom
          custom_payload: |
            {
              attachments: [{
                color: '${{ job.status }}' === 'success' ? 'good' : '${{ job.status }}' === 'failure' ? 'danger' : 'warning',
                text: `${process.env.AS_WORKFLOW} ${{ job.status }} for ${process.env.AS_REPO}!\n${process.env.AS_JOB} job on ${process.env.AS_REF} (commit: ${process.env.AS_COMMIT}, version: ${{ steps.docker_meta.outputs.version }}) by ${process.env.AS_AUTHOR} took ${process.env.AS_TOOK}`,
              }]
            }
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}