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# SPDX-License-Identifier: GPL-3.0-or-later
# Intermediate container for build
FROM debian:12 AS build
ENV OBS_REPO=knot-resolver-latest
ENV DISTROTEST_REPO=Debian_12
RUN apt-get update -qq && \
apt-get -qqq -y install \
apt-transport-https ca-certificates wget \
pipx devscripts && \
pipx install apkg
RUN wget -O /usr/share/keyrings/cznic-labs-pkg.gpg https://pkg.labs.nic.cz/gpg && \
echo "deb [signed-by=/usr/share/keyrings/cznic-labs-pkg.gpg] https://pkg.labs.nic.cz/knot-resolver bookworm main" \
> /etc/apt/sources.list.d/cznic-labs-knot-resolver.list && \
apt-get update -qq
COPY . /source
RUN cd /source && \
export PATH="$PATH:/root/.local/bin" && \
git submodule update --init --recursive && \
git config --global user.name "Docker Build" && \
git config --global user.email docker-build@knot-resolver && \
\
# Replace 'knot-resolver' user and group with 'root'
# in meson_options.tx and python/knot_resolver/constants.py.
# This is needed for the file/directory permissions validation
# and then for the proper functioning of the resolver.
sed s/knot-resolver/root/g -i meson_options.txt && \
sed 's/USER.*/USER = "root"/g' -i python/knot_resolver/constants.py && \
sed 's/GROUP.*/GROUP = "root"/g' -i python/knot_resolver/constants.py && \
git commit -a -m TMP && \
\
/root/.local/bin/apkg build-dep -y && \
/root/.local/bin/apkg build
# Real container
FROM debian:12-slim AS runtime
ENV OBS_REPO=knot-resolver-latest
ENV DISTROTEST_REPO=Debian_12
RUN apt-get update -qq && \
apt-get -qqq -y install apt-transport-https ca-certificates
COPY --from=build \
/usr/share/keyrings/cznic-labs-pkg.gpg \
/usr/share/keyrings/cznic-labs-pkg.gpg
COPY --from=build \
/etc/apt/sources.list.d/cznic-labs-knot-resolver.list \
/etc/apt/sources.list.d/cznic-labs-knot-resolver.list
RUN apt-get update -qq && \
apt-get upgrade -qq
COPY --from=build /source/pkg/pkgs/debian-12 /pkg
# install resolver, minimize image and prepare config directory
RUN apt-get install -y /pkg/*/*.deb && \
rm -r /pkg && \
apt-get remove -y -qq curl gnupg2 && \
apt-get autoremove -y && \
apt-get clean && \
rm -rf /var/lib/apt/lists/*
COPY etc/config/config.example.docker.yaml /etc/knot-resolver/config.yaml
LABEL cz.knot-resolver.vendor="CZ.NIC"
LABEL maintainer="knot-resolver-users@lists.nic.cz"
# Export plain DNS, DoT, DoH and management interface
EXPOSE 53/UDP 53/TCP 443/TCP 853/TCP 5000/TCP
# Prepare shared config
VOLUME /etc/knot-resolver
# Prepare shared cache
VOLUME /var/cache/knot-resolver
ENTRYPOINT ["/usr/bin/knot-resolver"]
CMD ["-c", "/etc/knot-resolver/config.yaml"]
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