refac: rewrite the workflow files into a singular matrix flow

.github/workflows/docker-build.yml

@@ -0,0 +1,113 @@
+# See https://docs.github.com/en/actions/publishing-packages/publishing-docker-images
+
+name: Build and push # to docker registries
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - "main"
+    tags:
+      - "*"
+  release:
+    types: [published]
+
+env:
+  IMAGE_NAME: paessler/multi-platform-probe
+
+jobs:
+  docker_build:
+    name: Build and push
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
+      attestations: write
+      id-token: write
+    strategy:
+      fail-fast: false
+      matrix:
+        variant:
+          - name: dockerhub
+            registry: "docker.io"
+          - name: ghcr
+            registry: "ghcr.io"
+    steps:
+      - name: Set image for Docker
+        id: set-image
+        run: |
+          if [ "${{ matrix.variant.name }}" = "ghcr" ]; then
+            echo "IMAGE_TO_USE=${GITHUB_REPOSITORY}" >> $GITHUB_ENV
+          elif [ "${{ matrix.variant.name }}" == "dockerhub" ]; then
+            echo "IMAGE_TO_USE=${IMAGE_NAME}" >> $GITHUB_ENV
+          else
+            echo "Failing to resolve."
+            exit 1
+          fi
+
+      - name: Check out the repository
+        uses: actions/checkout@v5
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: |
+            - linux/amd64
+            - linux/arm64
+            - linux/arm/v7
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        if: matrix.variant.name == 'dockerhub'
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PUSH_TOKEN }}
+          registry: ${{ matrix.variant.registry }}
+
+      - name: Log in to Github Container Registry
+        if: matrix.variant.name == 'ghcr'
+        uses: docker/login-action@v3
+        with:
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+          registry: ${{ matrix.variant.registry }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ matrix.variant.registry }}/${{ env.IMAGE_TO_USE }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=tag
+            type=sha,format=short,prefix=
+
+      - name: Build and push Docker image
+        id: push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
+
+      - name: Generate artifact attestation
+        if: matrix.variant.name == 'dockerhub'
+        uses: actions/attest-build-provenance@v1
+        with:
+          subject-name: ${{ matrix.variant.registry }}/${{ env.IMAGE_NAME }}
+          subject-digest: ${{ steps.push.outputs.digest }}
+          push-to-registry: true
+
+      - name: Generate artifact attestation
+        if: matrix.variant.name == 'ghcr'
+        uses: actions/attest-build-provenance@v1
+        with:
+          subject-name: ${{ matrix.variant.registry }}/${{ github.repository }}
+          subject-digest: ${{ steps.push.outputs.digest }}
+          push-to-registry: true

.github/workflows/dockerhub.yml

@@ -3,8 +3,8 @@
 name: Push to Docker Hub
 
 on:
-  release:
-    types: [published]
+#  release:
+#    types: [published]
 
 env:
   IMAGE_NAME: paessler/multi-platform-probe

.github/workflows/github.yml

@@ -3,9 +3,9 @@
 name: Push to GitHub
 
 on:
-  push:
-    branches: ["main"]
-    tags: ["*"]
+#  push:
+#    branches: ["main"]
+#    tags: ["*"]
 
 env:
   REGISTRY: ghcr.io