Build both platforms in one action

.github/workflows/docker.yml

@@ -23,15 +23,7 @@ on:
 jobs:
   build_and_push:
     runs-on: ubuntu-latest
-    strategy:
-      # Prevent a failure in one image from stopping the other builds
-      fail-fast: false
-      matrix:
-        os: 
-          - ubuntu-latest
-        arch:
-          - amd64
-          - arm64
+
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -43,6 +35,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Login to Docker Hub
+        if: ${{ inputs.release }}
         uses: docker/login-action@v3
         with:
           username: ${{ secrets.docker_username }}
@@ -62,11 +55,9 @@ jobs:
       - name: Build and push image
         uses: docker/build-push-action@v6
         with:
-          platforms: ${{ matrix.arch }}
+          platforms: linux/amd64,linux/arm64
           push: ${{ steps.metadata.outputs.tags != ''}}
           cache-from: type=gha
           cache-to: type=gha,mode=max
           tags: ${{ steps.metadata.outputs.tags }}
           labels: ${{ steps.metadata.outputs.labels }}
-          build-args: |
-            TARGETARCH=${{ matrix.arch }}