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Dockerfile
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#Stage 1 : builder debian image
FROM debian:buster as builder
# properly setup debian sources
ENV DEBIAN_FRONTEND noninteractive
RUN echo "deb http://http.debian.net/debian buster main\n\
deb-src http://http.debian.net/debian buster main\n\
deb http://http.debian.net/debian buster-updates main\n\
deb-src http://http.debian.net/debian buster-updates main\n\
deb http://security.debian.org buster/updates main\n\
deb-src http://security.debian.org buster/updates main\n\
" > /etc/apt/sources.list
# install package building helpers
# rsyslog for logging (ref https://github.com/stilliard/docker-pure-ftpd/issues/17)
RUN apt-get -y update && \
apt-get -y --force-yes --fix-missing install dpkg-dev debhelper &&\
apt-get -y build-dep pure-ftpd
# Build from source - we need to remove the need for CAP_SYS_NICE and CAP_DAC_READ_SEARCH
RUN mkdir /tmp/pure-ftpd/ && \
cd /tmp/pure-ftpd/ && \
apt-get source pure-ftpd && \
cd pure-ftpd-* && \
./configure --with-tls | grep -v '^checking' | grep -v ': Entering directory' | grep -v ': Leaving directory' && \
sed -i '/CAP_SYS_NICE,/d; /CAP_DAC_READ_SEARCH/d; s/CAP_SYS_CHROOT,/CAP_SYS_CHROOT/;' src/caps_p.h && \
dpkg-buildpackage -b -uc | grep -v '^checking' | grep -v ': Entering directory' | grep -v ': Leaving directory'
#Stage 2 : actual pure-ftpd image
FROM debian:buster-slim
# feel free to change this ;)
LABEL maintainer "Andrew Stilliard <[email protected]>"
# install dependencies
# FIXME : libcap2 is not a dependency anymore. .deb could be fixed to avoid asking this dependency
ENV DEBIAN_FRONTEND noninteractive
RUN apt-get -y update && \
apt-get --no-install-recommends --yes install \
libc6 \
libcap2 \
libmariadb3 \
libpam0g \
libssl1.1 \
lsb-base \
openbsd-inetd \
openssl \
perl \
rsyslog
COPY --from=builder /tmp/pure-ftpd/*.deb /tmp/pure-ftpd/
# install the new deb files
RUN dpkg -i /tmp/pure-ftpd/pure-ftpd-common*.deb &&\
dpkg -i /tmp/pure-ftpd/pure-ftpd_*.deb && \
# dpkg -i /tmp/pure-ftpd/pure-ftpd-ldap_*.deb && \
# dpkg -i /tmp/pure-ftpd/pure-ftpd-mysql_*.deb && \
# dpkg -i /tmp/pure-ftpd/pure-ftpd-postgresql_*.deb && \
rm -Rf /tmp/pure-ftpd
# prevent pure-ftpd upgrading
RUN apt-mark hold pure-ftpd pure-ftpd-common
# setup ftpgroup and ftpuser
RUN groupadd ftpgroup &&\
useradd -g ftpgroup -d /home/ftpusers -s /dev/null ftpuser
# configure rsyslog logging
RUN echo "" >> /etc/rsyslog.conf && \
echo "#PureFTP Custom Logging" >> /etc/rsyslog.conf && \
echo "ftp.* /var/log/pure-ftpd/pureftpd.log" >> /etc/rsyslog.conf && \
echo "Updated /etc/rsyslog.conf with /var/log/pure-ftpd/pureftpd.log"
# setup run/init file
COPY run.sh /run.sh
RUN chmod u+x /run.sh
# cleaning up
RUN apt-get -y clean \
&& apt-get -y autoclean \
&& apt-get -y autoremove \
&& rm -rf /var/lib/apt/lists/*
# default publichost, you'll need to set this for passive support
ENV PUBLICHOST localhost
# couple available volumes you may want to use
VOLUME ["/home/ftpusers", "/etc/pure-ftpd/passwd"]
# startup
CMD /run.sh -l puredb:/etc/pure-ftpd/pureftpd.pdb -E -j -R -P $PUBLICHOST
EXPOSE 21 30000-30009