Build images for multiple platforms (amd64/arm64) (#2)

Author: piotrekkr

.github/workflows/release.yaml

@@ -41,20 +41,24 @@ jobs:
           ref: ${{ steps.params.outputs.ref }}
           persist-credentials: false
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: Log in to the container registry
         uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Set up Buildx
-        id: buildx
-        uses: docker/setup-buildx-action@v3
-
       - name: Build and push
         uses: docker/build-push-action@v5
         with:
+          platforms: linux/amd64,linux/arm64
           context: .
           target: prod
           file: Dockerfile