Update build.yml

Author: tillsteinbach

.github/workflows/build.yml

@@ -23,6 +23,16 @@ jobs:
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Docker meta
+        id: meta
+        uses: crazy-max/ghaction-docker-meta@v2.3.0
+        with:
+          images: tillsteinbach/prosafe_exporter_python
+          tags: |
+            type=edge,
+            type=semver,pattern={{version}}
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v1
       - name: Setup Docker Buildx
@@ -36,8 +46,9 @@ jobs:
         id: docker_build
         uses: docker/build-push-action@v2
         with:
-          push: true
+          push: ${{ github.event_name != 'pull_request' }}
           platforms: linux/amd64,linux/arm/v7,linux/arm64
-          tags: tillsteinbach/prosafe_exporter_python:latest
-          cache-from: type=registry,ref=tillsteinbach/prosafe_exporter_python:latest
-          cache-to: type=inline
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache