ci: arm64 (#47)

Author: IvoBCD

.github/workflows/publish.yml

@@ -10,31 +10,28 @@ on:
 
 env:
   REGISTRY: ghcr.io
-  IMAGE_NAME: 'bcdevices/zephyr' 
+  IMAGE_NAME: 'bcdevices/zephyr'
 
 jobs:
   build:
-
     name: build-and-push-image
     runs-on:
       group: zephyr-builds
     permissions:
       contents: read
       packages: write
-      # This is used to complete the identity challenge
-      # with sigstore/fulcio when running outside of PRs.
-      #id-token: write
 
     steps:
     - name: Checkout repository
       uses: actions/checkout@v4
 
-    # Workaround: https://github.com/docker/build-push-action/issues/461
+    # Enable QEMU for cross-platform builds
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v3
+
     - name: Setup Docker buildx
       uses: docker/setup-buildx-action@v3
 
-    # Login against a Docker registry except on PR
-    # https://github.com/docker/login-action
     - name: Log into registry ${{ env.REGISTRY }}
       if: github.event_name != 'pull_request'
       uses: docker/login-action@v3
@@ -43,25 +40,12 @@ jobs:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
 
-    # Extract metadata (tags, labels) for Docker
-    # https://github.com/docker/metadata-action
     - name: Extract Docker metadata
       id: meta
       uses: docker/metadata-action@v5
       with:
         images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-        ## generate Docker tags based on the following events/attributes
-        #tags: |
-        # type=schedule
-        # type=ref,event=branch
-        # type=ref,event=pr
-        # type=semver,pattern={{version}}
-        # type=semver,pattern={{major}}.{{minor}}
-        # type=semver,pattern={{major}}
-        # type=sha
 
-    # Build and push Docker image with Buildx (don't push on PR)
-    # https://github.com/docker/build-push-action
     - name: Build and push Docker image
       id: build-and-push
       uses: docker/build-push-action@v5
@@ -74,3 +58,4 @@ jobs:
         labels: ${{ steps.meta.outputs.labels }}
         cache-from: type=gha
         cache-to: type=gha,mode=max
+        platforms: linux/amd64,linux/arm64