feat: build multiarch image

.github/workflows/docker.yml

@@ -23,6 +23,9 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4
 
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v3
+
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
 
@@ -42,6 +45,7 @@ jobs:
     - name: Build and push Docker image
       uses: docker/build-push-action@v6
       with:
+        platforms: linux/amd64,linux/arm64,linux/arm/v7,
         context: .
         push: true
         tags: |