Update ci

Author: ilyario

.github/workflows/build-and-push.yml

@@ -60,11 +60,12 @@ jobs:
             type=sha,prefix={{branch}}-
             type=raw,value=latest,enable={{is_default_branch}}
 
-      - name: Build and push Docker image
+      - name: Build and push Docker image (multi-arch amd64, arm64)
         uses: docker/build-push-action@v5
         with:
           context: .
           file: ./Dockerfile
+          platforms: linux/amd64,linux/arm64
           build-args: |
             VERSION=${{ steps.version.outputs.version }}
           push: true
@@ -115,7 +116,7 @@ jobs:
 
             ## Docker Image
 
-            Docker image is available at:
+            Docker image is available at (multi-arch: amd64, arm64):
             ```
             ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.tag.outputs.TAG_NAME }}
             ```

Dockerfile

@@ -18,16 +18,18 @@ COPY . .
 
 # Версия оператора для дефолтного образа процессора (тот же тег при сборке из релиза).
 ARG VERSION=dev
+# Multi-arch: при docker buildx --platform передаётся TARGETARCH (amd64, arm64).
+ARG TARGETARCH=amd64
 # Build manager (operator)
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o manager \
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=$TARGETARCH go build -a -o manager \
   -ldflags "-X github.com/dataflow-operator/dataflow/internal/version.Version=${VERSION}" \
   main.go
 
 # Build processor
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o processor cmd/processor/main.go
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=$TARGETARCH go build -a -o processor cmd/processor/main.go
 
 # Build GUI server
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o gui-server cmd/gui-server/main.go
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=$TARGETARCH go build -a -o gui-server cmd/gui-server/main.go
 
 # Final stage
 FROM alpine:latest