From 4ca0458526e340d136bc185e12ededabdf055979 Mon Sep 17 00:00:00 2001 From: Rolf Neugebauer Date: Tue, 24 Jul 2018 21:31:38 +0100 Subject: [PATCH] tools: Use a multi-stage build for mkimage-iso-bios mkimage-iso-bios contained the full alpine base. Only copy packages actually needed. Signed-off-by: Rolf Neugebauer --- tools/mkimage-iso-bios/Dockerfile | 23 +++++++++++++---------- 1 file changed, 13 insertions(+), 10 deletions(-) diff --git a/tools/mkimage-iso-bios/Dockerfile b/tools/mkimage-iso-bios/Dockerfile index 12b0fef6e..be78af6a6 100644 --- a/tools/mkimage-iso-bios/Dockerfile +++ b/tools/mkimage-iso-bios/Dockerfile @@ -1,13 +1,16 @@ -FROM linuxkit/alpine:daed76b8f1d28cdeeee215a95b9671c682a405dc - -RUN \ - apk update && apk upgrade && \ - apk add --no-cache \ - libarchive-tools \ - cdrkit \ - syslinux \ - && true +FROM linuxkit/alpine:daed76b8f1d28cdeeee215a95b9671c682a405dc 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 \ + cdrkit \ + libarchive-tools \ + syslinux \ + && true +RUN mv /out/etc/apk/repositories.upstream /out/etc/apk/repositories +FROM scratch +WORKDIR / +COPY --from=mirror /out/ / COPY . . - ENTRYPOINT [ "/make-iso" ]