Multi arch build images

Author: EduardoOliveira

.github/workflows/docker-publish.yml

@@ -35,22 +35,17 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: recursive
-
-      # Install the cosign tool except on PR
-      # https://github.com/sigstore/cosign-installer
-      - name: Install cosign
-        if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@7e0881f8fe90b25e305bbf0309761e9314607e25
-        with:
-          cosign-release: 'v1.9.0'
+    
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
 
 
       # Workaround: https://github.com/docker/build-push-action/issues/461
       - name: Setup Docker buildx
-        uses: docker/setup-buildx-action@79abd3f86f79a9d68a23c75a09a9a85889262adf
+        uses: docker/setup-buildx-action@v3
 
       # Login against a Docker registry except on PR
       # https://github.com/docker/login-action
@@ -77,20 +72,8 @@ jobs:
         uses: docker/build-push-action@ac9327eae2b366085ac7f6a2d02df8aa8ead720a
         with:
           file: helpers/Dockerfile
+          platforms: linux/amd64,linux/arm64
           context: .
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-
-      # Sign the resulting Docker image digest except on PRs.
-      # This will only write to the public Rekor transparency log when the Docker
-      # repository is public to avoid leaking data.  If you would like to publish
-      # transparency data even for private images, pass --force to cosign below.
-      # https://github.com/sigstore/cosign
-      - name: Sign the published Docker image
-        if: ${{ github.event_name != 'pull_request' }}
-        env:
-          COSIGN_EXPERIMENTAL: "true"
-        # This step uses the identity token to provision an ephemeral certificate
-        # against the sigstore community Fulcio instance.
-        run: echo "${{ steps.meta.outputs.tags }}" | xargs -I {} cosign sign {}@${{ steps.build-and-push.outputs.digest }}