Files
linuxkit/tools/mkimage-img-gz/Makefile
Justin Cormack fe4b6aaf5d Add image builder for compressed disk image
This is a fairly generic bootable disk with syslinux. Should
work if you `dd` it onto a USB stick, and should also work for AWS.

You need to uncompress it of course! Default size is 1G.

Signed-off-by: Justin Cormack <justin.cormack@docker.com>
2017-05-12 14:43:55 +01:00

28 lines
706 B
Makefile

.PHONY: tag push
IMAGE=mkimage-img-gz
default: push
hash: Dockerfile make-img-gz
tar cf - $^ | docker build --no-cache -t $(IMAGE):build -
docker run --entrypoint sh --rm $(IMAGE):build -c "(cat $^; apt list --installed 2>/dev/null) | sha1sum" | sed 's/ .*//' > hash
push: hash
docker pull linuxkit/$(IMAGE):$(shell cat hash) || \
(docker tag $(IMAGE):build linuxkit/$(IMAGE):$(shell cat hash) && \
docker push linuxkit/$(IMAGE):$(shell cat hash))
docker rmi $(IMAGE):build
rm -f hash
tag: hash
docker pull linuxkit/$(IMAGE):$(shell cat hash) || \
docker tag $(IMAGE):build linuxkit/$(IMAGE):$(shell cat hash)
docker rmi $(IMAGE):build
rm -f hash
clean:
rm -f hash
.DELETE_ON_ERROR: