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Pin kustomize image in cockroachdb example
- Pin to v5.4.1 with sha256 as example of how to ensure supply-chain security. Pulling the latest kustomize image or source is insecure without checksum validation. - Bump example image tag to v0.1.1
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# Copyright 2019 The Kubernetes Authors. | ||
# SPDX-License-Identifier: Apache-2.0 | ||
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.PHONY: image | ||
# This example uses a pinned version of the kustomize image, as an example of | ||
# what users should do downstream, to ensure supply chain security. | ||
# | ||
# Whenever KUSTOMIZE_IMAGE_TAG & KUSTOMIZE_IMAGE_SHA are updated, | ||
# EXAMPLE_IMAGE_TAG should also be updated to a new patch version. | ||
# For reference, see | ||
# https://github.com/kubernetes/k8s.io/blob/main/registry.k8s.io/images/k8s-staging-kustomize/images.yaml | ||
EXAMPLE_IMAGE_TAG=v0.1.1 | ||
KUSTOMIZE_IMAGE_TAG=v5.4.1 | ||
KUSTOMIZE_IMAGE_SHA=sha256:7492c35d6fbe64e05100009915167a37b285ca7391067fa0c7bec9a7d1856882 | ||
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all: | ||
true | ||
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image: | ||
docker build image -t gcr.io/kustomize-functions/example-cockroachdb:v0.1.0 | ||
docker push gcr.io/kustomize-functions/example-cockroachdb:v0.1.0 | ||
.PHONY: image-build | ||
image-build: | ||
docker build image \ | ||
--build-arg "KUSTOMIZE_IMAGE_TAG=$(KUSTOMIZE_IMAGE_TAG)" \ | ||
--build-arg "KUSTOMIZE_IMAGE_SHA=$(KUSTOMIZE_IMAGE_SHA)" \ | ||
-t gcr.io/kustomize-functions/example-cockroachdb:$(EXAMPLE_IMAGE_TAG) | ||
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.PHONY: image | ||
image: image-build | ||
docker push gcr.io/kustomize-functions/example-cockroachdb:$(EXAMPLE_IMAGE_TAG) |
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functions/examples/template-heredoc-cockroachdb/image/Dockerfile
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# Copyright 2019 The Kubernetes Authors. | ||
# SPDX-License-Identifier: Apache-2.0 | ||
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FROM golang:1.21-bullseye | ||
ENV CGO_ENABLED=0 | ||
RUN go get -v sigs.k8s.io/kustomize/kustomize | ||
ARG KUSTOMIZE_IMAGE_TAG | ||
ARG KUSTOMIZE_IMAGE_SHA | ||
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FROM alpine:latest | ||
FROM registry.k8s.io/kustomize/kustomize:${KUSTOMIZE_IMAGE_TAG}@${KUSTOMIZE_IMAGE_SHA} | ||
RUN apk add --no-cache bash | ||
COPY --from=0 /go/bin/kustomize /usr/local/bin | ||
COPY cockroachdb-template.sh /usr/local/bin/config-function | ||
CMD ["config-function"] |