chore: do docker(x) build/push step in gh actions

.github/workflows/docker-ci.yml

@@ -0,0 +1,73 @@
+name: docker-ci
+
+on:
+  push:
+    tags:        
+      - "v*"
+
+jobs:
+  docker-ci:
+    runs-on: ubuntu-20.04
+    steps:
+
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+
+      -
+        name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: |
+             quay.io/${{ github.repository }}
+          tags: |
+            type=semver,pattern={{raw}}
+          flavor: |
+            latest=false
+
+      -
+        name: Set up QEMU
+        id: qemu
+        uses: docker/setup-qemu-action@v1
+        with:
+          platforms: arm64,arm
+
+      -
+        name: Set up Docker Buildx
+        id: buildx
+        with:
+          install: true
+        uses: docker/setup-buildx-action@v1
+
+      -
+        name: Inspect builder
+        run: |
+          echo "Name:      ${{ steps.buildx.outputs.name }}"
+          echo "Endpoint:  ${{ steps.buildx.outputs.endpoint }}"
+          echo "Status:    ${{ steps.buildx.outputs.status }}"
+          echo "Flags:     ${{ steps.buildx.outputs.flags }}"
+          echo "Platforms: ${{ steps.buildx.outputs.platforms }}"
+
+      -
+        name: Login to quay.io Container Registry
+        uses: docker/login-action@v1 
+        with:
+          registry: quay.io
+          username: ${{ github.repository_owner }}+github
+          password: ${{ secrets.BOT_QUAY_IO }}
+
+      -
+        name: Build and push
+        id: build-release
+        uses: docker/build-push-action@v2
+        with:
+          file: Dockerfile
+          context: .
+          platforms: linux/amd64,linux/arm64,linux/arm
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+
+      -
+        name: Image digest
+        run: echo ${{ steps.build-release.outputs.digest }}