add operator

Dockerfile

@@ -0,0 +1,21 @@
+FROM golang:1.20-alpine as build
+WORKDIR /workspace
+# Copy the Go Modules manifests
+COPY go.mod go.mod
+COPY go.sum go.sum
+# cache deps before building and copying source so that we don't need to re-download as much
+# and so that source changes don't invalidate our downloaded layer
+RUN GOPROXY=goproxy.cn go mod download
+# Copy the go source
+COPY cmd/ cmd/
+COPY pkg/ pkg/
+
+ARG LDFLAGS
+ARG TARGETARCH
+# Build
+RUN CGO_ENABLED=0 GOARCH=$TARGETARCH go build -trimpath -ldflags "$LDFLAGS" -o manager -v cmd/main.go
+
+FROM scratch
+COPY --from=build /workspace/manager /
+USER 65532:65532
+ENTRYPOINT ["/manager"]