# Intermediate container for Knot DNS build (not persistent) # SPDX-License-Identifier: GPL-3.0-or-later FROM debian:11 AS knot-dns-build ARG KNOT_DNS_VERSION=v3.1.1 # Build dependencies ENV KNOT_DNS_BUILD_DEPS git-core build-essential libtool autoconf pkg-config \ libgnutls28-dev libprotobuf-dev libprotobuf-c-dev libfstrm-dev ENV KNOT_RESOLVER_BUILD_DEPS build-essential pkg-config bsdmainutils liblmdb-dev \ libluajit-5.1-dev libuv1-dev libprotobuf-dev libprotobuf-c-dev \ libfstrm-dev luajit lua-http libssl-dev libnghttp2-dev protobuf-c-compiler \ meson ENV BUILDENV_DEPS ${KNOT_DNS_BUILD_DEPS} ${KNOT_RESOLVER_BUILD_DEPS} RUN apt-get update -qq && \ apt-get -y -qqq install ${BUILDENV_DEPS} # Install Knot DNS from sources RUN git clone -b $KNOT_DNS_VERSION --depth=1 https://gitlab.nic.cz/knot/knot-dns.git /tmp/knot-dns && \ cd /tmp/knot-dns && \ autoreconf -if && \ ./configure --disable-static --disable-fastparser --disable-documentation \ --disable-daemon --disable-utilities --with-lmdb=no && \ make -j4 install && \ ldconfig # Copy libknot, libdnssec, libzscanner to runtime RUN mkdir -p /tmp/root/usr/local/include /tmp/root/usr/local/lib /tmp/root/usr/local/lib/pkgconfig && \ cp -rt /tmp/root/usr/local/include /usr/local/include/libknot /usr/local/include/libdnssec /usr/local/include/libzscanner && \ cp -rt /tmp/root/usr/local/lib /usr/local/lib/libknot* /usr/local/lib/libdnssec* /usr/local/lib/libzscanner* && \ cp -rt /tmp/root/usr/local/lib/pkgconfig /usr/local/lib/pkgconfig/libknot.pc /usr/local/lib/pkgconfig/libdnssec.pc /usr/local/lib/pkgconfig/libzscanner.pc # Intermediate container with runtime dependencies FROM debian:11-slim AS runtime # Install runtime dependencies ENV KNOT_DNS_RUNTIME_DEPS libgnutls30 ENV KNOT_RESOLVER_RUNTIME_DEPS liblmdb0 luajit libluajit-5.1-2 libuv1 lua-http libnghttp2-14 ENV KNOT_RESOLVER_RUNTIME_DEPS_HTTP lua-http lua-mmdb ENV KNOT_RESOLVER_RUNTIME_DEPS_EXTRA lua-cqueues ENV KNOT_RESOLVER_RUNTIME_DEPS_DNSTAP libfstrm0 libprotobuf-c1 ENV KNOT_RESOLVER_RUNTIME_DEPS_SSL ca-certificates ENV RUNTIME_DEPS ${KNOT_DNS_RUNTIME_DEPS} ${KNOT_RESOLVER_RUNTIME_DEPS} \ ${KNOT_RESOLVER_RUNTIME_DEPS_HTTP} ${KNOT_RESOLVER_RUNTIME_DEPS_EXTRA} \ ${KNOT_RESOLVER_RUNTIME_DEPS_SSL} ${KNOT_RESOLVER_RUNTIME_DEPS_DNSTAP} RUN apt-get update -qq && \ apt-get install -y -qqq ${RUNTIME_DEPS} && \ apt-get clean && \ rm -rf /var/lib/apt/lists/* # Intermediate container for Knot Resolver build FROM knot-dns-build AS build # Get Knot Resolver code from current directory COPY . /tmp/knot-resolver # Build Knot Resolver RUN cd /tmp/knot-resolver && \ meson build_docker --buildtype=plain --prefix=/usr --libdir=lib -Dc_args="-O2 -fstack-protector -g" && \ DESTDIR=/tmp/root ninja -C build_docker install && \ cp /tmp/root/usr/share/doc/knot-resolver/examples/config.docker /tmp/root/etc/knot-resolver/kresd.conf # Final container FROM runtime LABEL cz.knot-resolver.vendor="CZ.NIC" LABEL maintainer="knot-resolver-users@lists.nic.cz" # Export DNS over UDP & TCP, DNS-over-HTTPS, DNS-over-TLS, web interface EXPOSE 53/UDP 53/TCP 443/TCP 853/TCP 8453/TCP # Fetch Knot Resolver + Knot DNS libraries from build image COPY --from=build /tmp/root/ / RUN ldconfig ENTRYPOINT ["/usr/sbin/kresd"] CMD ["-c", "/etc/knot-resolver/kresd.conf"]