Merge pull request #14 from PDOK/pdok-12142

add github actions workflow

.github/workflows/build.yml

@@ -0,0 +1,74 @@
+name: build
+env:
+  image: pdokcr.azurecr.io/pdok/atom-generator
+on:
+  push:
+    tags:
+      - '*'
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Docker meta
+        id: docker_meta
+        uses: crazy-max/ghaction-docker-meta@v1
+        with:
+          images: ${{ env.image }}
+          tag-semver: |
+            {{version}}
+            {{major}}.{{minor}}
+            v{{major}}
+          tag-latest: false
+      - name: Login to PDOK Azure Container Registry
+        if: startsWith(env.image, 'pdokcr.azurecr.io/')
+        uses: docker/login-action@v1
+        with:
+          registry: pdokcr.azurecr.io
+          username: pdokcr
+          password: ${{ secrets.PDOKCR }}
+      - name: Login to PDOK Docker Hub
+        if: startsWith(env.image, 'pdok/')
+        uses: docker/login-action@v1
+        with:
+          username: pdokdev
+          password: ${{ secrets.DOCKERHUB }}
+      - 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 }}