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squash kicbase image layers into one

pull/16533/head
Medya Gh 2023-05-18 13:26:24 -07:00
parent 88a09e9502
commit 8dd41e6361
1 changed files with 14 additions and 8 deletions
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22
deploy/kicbase/Dockerfile
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@ -112,14 +112,6 @@ RUN echo "Ensuring scripts are executable ..." \
&& echo "Modifying /etc/nsswitch.conf to prefer hosts" \
&& sed -i /etc/nsswitch.conf -re 's#^(hosts:\s*).*#\1dns files#'
# tell systemd that it is in docker (it will check for the container env)
# https://systemd.io/CONTAINER_INTERFACE/
ENV container docker
# systemd exits on SIGRTMIN+3, not SIGTERM (which re-executes it)
# https://bugzilla.redhat.com/show_bug.cgi?id=1201657
STOPSIGNAL SIGRTMIN+3
# NOTE: this is *only* for documentation, the entrypoint is overridden later
ENTRYPOINT [ "/usr/local/bin/entrypoint", "/sbin/init" ]
ARG COMMIT_SHA
# using base image created by kind https://github.com/kubernetes-sigs/kind/blob/b6bc1125/images/base/Dockerfile
@ -254,3 +246,17 @@ RUN rm -rf \
/usr/share/man/* \
/usr/share/local/*
RUN echo "kic! Build: ${COMMIT_SHA} Time :$(date)" > "/kic.txt"
# squash all layers into one
FROM scratch
COPY --from=kicbase / /
EXPOSE 22
# tell systemd that it is in docker (it will check for the container env)
# https://systemd.io/CONTAINER_INTERFACE/
ENV container docker
# systemd exits on SIGRTMIN+3, not SIGTERM (which re-executes it)
# https://bugzilla.redhat.com/show_bug.cgi?id=1201657
STOPSIGNAL SIGRTMIN+3
# NOTE: this is *only* for documentation, the entrypoint is overridden later
ENTRYPOINT [ "/usr/local/bin/entrypoint", "/sbin/init" ]