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pkg: Roll the dhcpcd package from linuxkit/alpine

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The dhcpcd package only needs a basic alpine-baselayout and
dhcpcd. This reduces the size of the package from 4.3MB to 1.8MB.

Also make the HUB org/registry build time configurable.

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
This commit is contained in:
Rolf Neugebauer 2017-05-08 20:22:09 +01:00
parent 72c88872e6
commit 92b8d873bf
2 changed files with 19 additions and 13 deletions
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25
pkg/dhcpcd/Dockerfile
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@ -1,13 +1,18 @@
FROM linuxkit/alpine:c5021a113803f7608e3908014d316c3490183d0b@sha256:4c7a80173c71ca5019dc56f40442b3a8345f141dd46593bd1fe6d130294d07cb AS mirror
FROM linuxkit/alpine:6336329f15b4166514782eaa555cf0ffd35c519c@sha256:f6c2ce92910b1d6e4e5557850a554f4a3ae9f66c1e89ad86a24d6c6e550f165e AS mirror
RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
RUN apk add --no-cache --initdb -p /out \
alpine-baselayout \
busybox \
dhcpcd \
musl
FROM alpine:3.5@sha256:dfbd4a3a8ebca874ebd2474f044a0b33600d4523d03b0df76e5c5986cb02d7e8
COPY --from=mirror /etc/apk/repositories /etc/apk/repositories
COPY --from=mirror /etc/apk/keys /etc/apk/keys/
COPY --from=mirror /mirror /mirror/
# Remove apk residuals
RUN rm -rf /out/etc/apk /out/lib/apk /out/var/cache
RUN apk add dhcpcd
RUN rm -rf /mirror /etc/apk/repositories /etc/apk/keys
COPY . .
FROM scratch
ENTRYPOINT []
CMD []
WORKDIR /
COPY --from=mirror /out/ /
COPY /dhcpcd.conf /usr/ /
CMD ["/sbin/dhcpcd", "--nobackground", "-f", "/dhcpcd.conf"]

7
pkg/dhcpcd/Makefile
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@ -1,14 +1,15 @@
.PHONY: tag push
default: push
ORG?=linuxkit
IMAGE=dhcpcd
DEPS=Dockerfile Makefile dhcpcd.conf usr/lib/dhcpcd/dhcpcd-hooks/10-mtu
HASH?=$(shell git ls-tree HEAD -- ../$(notdir $(CURDIR)) | awk '{print $$3}')
tag: $(DEPS)
docker build --squash --no-cache --network=none -t linuxkit/$(IMAGE):$(HASH) .
docker build --squash --no-cache --network=none -t $(ORG)/$(IMAGE):$(HASH) .
push: tag
docker pull linuxkit/$(IMAGE):$(HASH) || \
docker push linuxkit/$(IMAGE):$(HASH)
docker pull $(ORG)/$(IMAGE):$(HASH) || \
docker push $(ORG)/$(IMAGE):$(HASH)