Cleanup container build

.dockerignore

@@ -0,0 +1,4 @@
+.docker
+.github
+.venv
+test_data

.github/workflows/build.yml

@@ -7,43 +7,49 @@ on:
     - cron: '15 12 * * 1'
 
 env:
-  QUAY_IMAGE: quay.io/zebbra/netbox-init
-  CONTAINER_PLATFORMS: "linux/amd64,linux/arm64"
-  TAG: latest
+  REGISTRY: quay.io
+  IMAGE: zebbra/netbox-init
+  PLATFORMS: "linux/amd64,linux/arm64"
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: hetzner
+    permissions:
+      contents: read
+      id-token: write
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
-      # https://github.com/docker/setup-qemu-action
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
 
-      # https://github.com/docker/setup-buildx-action
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
-      - name: Login to quay.io Container Registry
+      - name: Generate image tags
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ${{ env.REGISTRY }}/${{ env.IMAGE }}
+          tags: |
+            type=raw, value=latest
+            type=sha
+
+      - name: Login to container registry
         uses: docker/login-action@v3
         with:
-          registry: quay.io
+          registry: ${{ env.REGISTRY }}
           username: ${{ secrets.QUAY_USERNAME }}
           password: ${{ secrets.QUAY_PASSWORD }}
 
-      - name: Inject slug/short variables
-        uses: rlespinasse/github-slug-action@v4
-
-      - name: Generate image tag
-        id: tag
-        run: echo "tag=$(date +%Y%m%d%H%M)-${{ env.GITHUB_SHA_SHORT }}" >> "$GITHUB_OUTPUT"
-
-      - name: Build
-        run: >
-          docker buildx build --pull --push
-          -t ${{ env.QUAY_IMAGE }}:${{ env.TAG }}
-          -t ${{ env.QUAY_IMAGE }}:${{ steps.tag.outputs.tag }}
-          --platform ${{ env.CONTAINER_PLATFORMS }}
-          .
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          platforms: ${{ env.PLATFORMS }}
+          tags: ${{ steps.meta.outputs.tags }}