perf: add platform parameter to setup-docker-buildx

Author: andhreljaKern

.github/workflows/az_acr_push.yml

@@ -17,7 +17,7 @@ jobs:
       DEV_LOGIN_PASSWORD: ${{ secrets.DEV_LOGIN_PASSWORD }}
     strategy:
       matrix:
-        platform: [amd64, arm64/v8]
+        platform: [amd64, arm64]
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -26,6 +26,8 @@ jobs:
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
+        with:
+          platforms: linux/${{ matrix.platform }}
 
       - name: Log into Azure registry
         uses: docker/login-action@v3
@@ -46,26 +48,26 @@ jobs:
         id: branch_name
         run: echo "GH_REF_NAME=$(echo ${{ github.ref_name }} | sed 's|/|-|g')" >> $GITHUB_OUTPUT
 
-      - name: Build & Push ${{ github.event.repository.name }}:${{ matrix.platform == 'arm64/v8' && 'arm64' || 'amd64' }}-${{ steps.branch_name.outputs.GH_REF_NAME }}
+      - name: Build & Push ${{ github.event.repository.name }}:${{ matrix.platform }}-${{ steps.branch_name.outputs.GH_REF_NAME }}
         if: ${{ github.ref_name != github.repository.default_branch }}
         uses: docker/build-push-action@v5
         with:
           push: true
           file: 'Dockerfile'
-          tags: ${{ env.AZURE_CONTAINER_REGISTRY }}/${{ github.event.repository.name }}:${{ matrix.platform == 'arm64/v8' && 'arm64' || 'amd64' }}-${{ steps.branch_name.outputs.GH_REF_NAME }}
+          tags: ${{ env.AZURE_CONTAINER_REGISTRY }}/${{ github.event.repository.name }}:${{ matrix.platform }}-${{ steps.branch_name.outputs.GH_REF_NAME }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
           build-args: |
             platform=linux/${{ matrix.platform }}
             label=dockerfile-path=https://github.com/${{ github.repository }}/blob/${{ github.sha }}/Dockerfile
 
-      - name: Build & Push ${{ github.event.repository.name }}:${{ matrix.platform == 'arm64/v8' && 'arm64' || 'amd64' }}-gpu
+      - name: Build & Push ${{ github.event.repository.name }}:${{ matrix.platform }}-gpu
         if: ${{ hashFiles('gpu.Dockerfile') != '' }}
         uses: docker/build-push-action@v5
         with:
           push: true
           file: 'gpu.Dockerfile'
-          tags: ${{ env.AZURE_CONTAINER_REGISTRY }}/${{ github.event.repository.name }}:${{ matrix.platform == 'arm64/v8' && 'arm64' || 'amd64' }}-gpu
+          tags: ${{ env.AZURE_CONTAINER_REGISTRY }}/${{ github.event.repository.name }}:${{ matrix.platform }}-gpu
           cache-from: type=gha
           cache-to: type=gha,mode=max
           build-args: |