files for building image when release kustomize

kustomize.Dockerfile

@@ -0,0 +1,18 @@
+# build
+FROM golang:alpine as builder
+ARG VERSION
+ARG COMMIT
+ARG DATE
+RUN mkdir /build 
+ADD . /build/
+WORKDIR /build/kustomize
+RUN CGO_ENABLED=0 GO111MODULE=on go build \
+    -ldflags="-s -X sigs.k8s.io/kustomize/api/provenance.version=${VERSION} \
+    -X sigs.k8s.io/kustomize/api/provenance.gitCommit=${COMMIT} \
+    -X sigs.k8s.io/kustomize/api/provenance.buildDate=${DATE}"
+
+# only copy binary
+FROM alpine
+COPY --from=builder /build/kustomize /app/
+WORKDIR /app
+ENTRYPOINT ["./kustomize"]