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Dockerfile: copy only CA certificate bundle (#5571)

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and never more - (dangling) symlinks pointing to /usr/share/ca-certificates/mozilla/ in Debian:stable-slim

Signed-off-by: Konstantin Demin <rockdrilla@gmail.com>

Signed-off-by: Konstantin Demin <rockdrilla@gmail.com>
This commit is contained in:
Konstantin Demin
2022-08-15 18:22:08 +03:00
committed by GitHub
parent 4033d7aeba
commit 4c53479e4a
1 changed files with 10 additions and 3 deletions
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13
Dockerfile
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@@ -1,11 +1,18 @@
FROM debian:stable-slim
SHELL [ "/bin/sh", "-ec" ]
RUN apt-get update && apt-get -uy upgrade
RUN apt-get -y install ca-certificates && update-ca-certificates
RUN export DEBCONF_NONINTERACTIVE_SEEN=true \
DEBIAN_FRONTEND=noninteractive \
DEBIAN_PRIORITY=critical \
TERM=linux ; \
apt-get -qq update ; \
apt-get -yyqq upgrade ; \
apt-get -yyqq install ca-certificates ; \
apt-get clean
FROM scratch
COPY --from=0 /etc/ssl/certs /etc/ssl/certs
COPY --from=0 /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
ADD coredns /coredns
EXPOSE 53 53/udp