Dockerfile-recursor

   1 # USAGE
   2
   3 #   docker build --build-arg MAKEFLAGS=-j8 -t recursor -f docker/Dockerfile-recursor .
   4 #   docker run -p 1053:53 -p 1053:53/udp -ti --rm recursor
   5 #   dig a www.example.com @0 -p 1053
   6
   7 # Builder
   8 FROM debian:11-slim AS builder
   9
  10 ENV NO_LUA_JIT="s390x arm64"
  11
  12 # Reusable layer for base update
  13 RUN apt-get update && apt-get -y dist-upgrade && apt-get clean
  14
  15 # devscripts gives us mk-build-deps (and a lot of other stuff)
  16 RUN apt-get install -y --no-install-recommends devscripts equivs git curl && apt-get clean
  17
  18 COPY builder-support /source/builder-support
  19
  20 # TODO: control file is not in tarballs at all right now
  21 RUN mk-build-deps -i -t 'apt-get -y -o Debug::pkgProblemResolver=yes --no-install-recommends' /source/builder-support/debian/recursor/debian-buster/control && \
  22     apt-get clean
  23
  24 COPY pdns /source/pdns
  25 COPY build-aux /source/build-aux
  26 COPY m4 /source/m4
  27 COPY ext /source/ext
  28 COPY .git /source/.git
  29 COPY builder/helpers/set-configure-ac-version.sh /usr/local/bin
  30
  31 # build and install (TODO: before we hit this line, rearrange /source structure if we are coming from a tarball)
  32 WORKDIR /source/pdns/recursordist
  33
  34 ARG MAKEFLAGS=
  35 ENV MAKEFLAGS ${MAKEFLAGS:--j2}
  36
  37 ARG DOCKER_FAKE_RELEASE=NO
  38 ENV DOCKER_FAKE_RELEASE ${DOCKER_FAKE_RELEASE}
  39
  40 # Manpage deps
  41 # RUN apt-get install -y python3-venv && apt-get clean
  42
  43 # Manpage prevent
  44 RUN touch pdns_recursor.1 rec_control.1 # avoid installing pandoc
  45
  46 RUN if [ "${DOCKER_FAKE_RELEASE}" = "YES" ]; then \
  47       BUILDER_VERSION="$(IS_RELEASE=YES BUILDER_MODULES=recursor ./builder-support/gen-version | sed 's/\([0-9]\+\.[0-9]\+\.[0-9]\+\(\(alpha|beta|rc\)\d\+\)\)?.*/\1/')" set-configure-ac-version.sh;\
  48     fi && \
  49     BUILDER_MODULES=recursor autoreconf -vfi
  50
  51 RUN mkdir /build && \
  52     LUAVER=$([ -z "${NO_LUA_JIT##*$(dpkg --print-architecture)*}" ] && echo 'lua5.3' || echo 'luajit') && \
  53     ./configure \
  54       --with-lua=${LUAVER} \
  55       LDFLAGS=-rdynamic \
  56       --sysconfdir=/etc/powerdns \
  57       --enable-option-checking=fatal && \
  58       make clean && \
  59       make $MAKEFLAGS install DESTDIR=/build && make clean && \
  60       strip /build/usr/local/bin/* /build/usr/local/sbin/*
  61 RUN cd /tmp && mkdir /build/tmp/ && mkdir debian && \
  62     echo 'Source: docker-deps-for-pdns' > debian/control && \
  63     dpkg-shlibdeps /build/usr/local/bin/rec_control /build/usr/local/sbin/pdns_recursor && \
  64     sed 's/^shlibs:Depends=/Depends: /' debian/substvars >> debian/control && \
  65     equivs-build debian/control && \
  66     dpkg-deb -I equivs-dummy_1.0_all.deb && cp equivs-dummy_1.0_all.deb /build/tmp/
  67
  68 # Runtime
  69 FROM debian:11-slim
  70
  71 # Reusable layer for base update - Should be cached from builder
  72 RUN apt-get update && apt-get -y dist-upgrade && apt-get clean
  73
  74 # Ensure python3 and jinja2 is present (for startup script), and tini for signal management
  75 RUN apt-get install -y python3 python3-jinja2 tini libcap2-bin && apt-get clean
  76
  77 # Executables from builder
  78 COPY --from=builder /build /
  79 RUN chmod 1777 /tmp # FIXME: better not use /build/tmp for equivs at all
  80
  81 # Ensure dependencies are present
  82 RUN apt-get install -y /tmp/equivs-dummy_1.0_all.deb && apt-get clean
  83
  84 # Start script
  85 COPY dockerdata/startup.py /usr/local/sbin/pdns_recursor-startup
  86
  87 # Config file(s) from builder
  88 COPY dockerdata/recursor.conf /etc/powerdns/
  89
  90 # Is recursor.d necessary if we copy the config into recursor.conf? (see above)
  91 RUN mkdir -p /etc/powerdns/recursor.d /var/run/pdns-recursor /etc/powerdns/templates.d
  92
  93 # Work with pdns user - not root
  94 RUN adduser --system --disabled-password --disabled-login --no-create-home --group pdns --uid 953
  95 RUN chown pdns:pdns /var/run/pdns-recursor /etc/powerdns/recursor.d /etc/powerdns/templates.d
  96 USER pdns
  97
  98 # Default DNS ports
  99 EXPOSE 53/udp
 100 EXPOSE 53/tcp
 101
 102 # Default webserver port
 103 EXPOSE 8082/tcp
 104
 105 ENTRYPOINT ["/usr/bin/tini", "--", "/usr/local/sbin/pdns_recursor-startup"]