Add kpt v1.0.0-alpha.2 to Skaffold image (#5825)

deploy/skaffold/Dockerfile

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # This base image has to be updated manually after running `make build_deps`
-FROM gcr.io/k8s-skaffold/build_deps:4952c2746b637e4243e5d49dc88f729ff1cf22c6 as builder
+FROM gcr.io/k8s-skaffold/build_deps:45b0b2b2c59e1b381f5386d6c960dd87c3a3c9d8 as builder
 WORKDIR /skaffold
 COPY . .
 

deploy/skaffold/Dockerfile.deps

@@ -34,6 +34,13 @@ ENV KUSTOMIZE_URL https://github.com/kubernetes-sigs/kustomize/releases/download
 RUN wget -O kustomize.tar.gz "${KUSTOMIZE_URL}"
 RUN tar -xvf kustomize.tar.gz
 
+# Download kpt
+FROM alpine:3.10 as download-kpt
+ENV KPT_VERSION 1.0.0-alpha.2
+ENV KPT_URL https://github.com/GoogleContainerTools/kpt/releases/download/v${KPT_VERSION}/kpt_linux_amd64
+RUN wget -O kpt "${KPT_URL}"
+RUN chmod +x kpt
+
 # Download kompose
 FROM alpine:3.10 as download-kompose
 ENV KOMPOSE_VERSION v1.22.0
@@ -87,6 +94,7 @@ COPY --from=docker:19.03.13 /usr/local/bin/docker /usr/local/bin/
 COPY --from=download-kubectl kubectl /usr/local/bin/
 COPY --from=download-helm helm /usr/local/bin/
 COPY --from=download-kustomize kustomize /usr/local/bin/
+COPY --from=download-kpt kpt /usr/local/bin/
 COPY --from=download-kompose kompose /usr/local/bin/
 COPY --from=download-container-structure-test container-structure-test /usr/local/bin/
 COPY --from=download-bazel bazel /usr/local/bin/