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30 lines
712 B
Makefile
30 lines
712 B
Makefile
.PHONY: tag push
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BASE=alpine:3.5
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IMAGE=alpine-build-kernel
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default: push
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hash:
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DOCKER_CONTENT_TRUST=1 docker pull $(BASE)
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tar cf - Dockerfile | docker build --no-cache -t $(IMAGE):build -
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docker run --rm $(IMAGE):build sha1sum /lib/apk/db/installed | sed 's/ .*//' > hash
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push: hash
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docker pull linuxkit/$(IMAGE):$(shell cat hash) || \
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(docker tag $(IMAGE):build linuxkit/$(IMAGE):$(shell cat hash) && \
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docker push linuxkit/$(IMAGE):$(shell cat hash))
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docker rmi $(IMAGE):build
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rm -f hash
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tag: hash
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docker pull linuxkit/$(IMAGE):$(shell cat hash) || \
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docker tag $(IMAGE):build linuxkit/$(IMAGE):$(shell cat hash)
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docker rmi $(IMAGE):build
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rm -f hash
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clean:
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rm -f hash
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.DELETE_ON_ERROR:
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