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Dockerfile
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FROM phusion/baseimage:0.9.12
MAINTAINER Abe Voelker <abe@abevoelker.com>
ENV USERNAME postgres
ENV PASSWORD password
ENV VERSION 9.4
# Temporary hack around a Docker Hub `docker build` issue. See:
# https://github.com/docker/docker/issues/6345#issuecomment-49245365
RUN ln -s -f /bin/true /usr/bin/chfn
# Disable SSH and existing cron jobs
RUN rm -rf /etc/service/sshd \
/etc/my_init.d/00_regen_ssh_host_keys.sh \
/etc/cron.daily/dpkg \
/etc/cron.daily/apt \
/etc/cron.daily/passwd \
/etc/cron.daily/logrotate \
/etc/cron.daily/upstart \
/etc/cron.weekly/fstrim
# Ensure UTF-8 locale
COPY locale /etc/default/locale
RUN locale-gen en_US.UTF-8 &&\
dpkg-reconfigure locales
# Update APT
RUN DEBIAN_FRONTEND=noninteractive apt-get update
# Install build dependencies
RUN DEBIAN_FRONTEND=noninteractive apt-get install -y wget
# Add PostgreSQL Global Development Group apt source
RUN echo "deb http://apt.postgresql.org/pub/repos/apt/ trusty-pgdg main" > /etc/apt/sources.list.d/pgdg.list
# Add PGDG repository key
RUN wget -qO - http://apt.postgresql.org/pub/repos/apt/ACCC4CF8.asc | apt-key add -
RUN DEBIAN_FRONTEND=noninteractive apt-get update
# Install Postgres, PL/Python, PL/V8
RUN DEBIAN_FRONTEND=noninteractive apt-get install -y \
postgresql-$VERSION \
postgresql-contrib-$VERSION \
postgresql-server-dev-$VERSION \
postgresql-plpython-$VERSION \
postgresql-$VERSION-plv8 \
# Install WAL-E dependencies
libxml2-dev \
libxslt1-dev \
python-dev \
python-pip \
daemontools \
libevent-dev \
lzop \
pv \
libffi-dev \
libssl-dev &&\
pip install virtualenv
# Install WAL-E into a virtualenv
RUN virtualenv /var/lib/postgresql/wal-e &&\
. /var/lib/postgresql/wal-e/bin/activate &&\
pip install wal-e &&\
ln -s /var/lib/postgresql/wal-e/bin/wal-e /usr/local/bin/wal-e
# Create directory for storing secret WAL-E environment variables
RUN umask u=rwx,g=rx,o= &&\
mkdir -p /etc/wal-e.d/env &&\
chown -R root:postgres /etc/wal-e.d
# Remove build dependencies and clean up APT and temporary files
RUN DEBIAN_FRONTEND=noninteractive apt-get remove --purge -y wget &&\
apt-get clean &&\
rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
# Copy basic Postgres configs with values suitable for development
# (note: these should be overridden in production!)
COPY ./pg_hba.conf /etc/postgresql/$VERSION/main/
COPY ./postgresql.conf /etc/postgresql/$VERSION/main/
# COPY sets ownership on this directory to root
RUN chown -R postgres:postgres /etc/postgresql/$VERSION/main
# Use wrapper scripts to start cron and Postgres
COPY scripts /data/scripts
RUN chmod -R 755 /data/scripts
# Copy runit configs
RUN mkdir -m 755 -p /etc/service/postgres
COPY runit/cron /etc/service/cron/run
COPY runit/postgres /etc/service/postgres/run
RUN chmod 755 /etc/service/cron/run /etc/service/postgres/run
USER postgres
RUN /etc/init.d/postgresql start &&\
psql --command "ALTER USER postgres WITH PASSWORD '$PASSWORD';" &&\
/etc/init.d/postgresql stop
USER root
# The image only runs Postgres by default. If you want to run periodic full
# backups with cron + WAL-E you should start supervisord instead (see README)
CMD ["/data/scripts/start_postgres.sh"]
# Keep Postgres log, config and storage outside of union filesystem
VOLUME ["/var/log/postgresql", \
"/var/log/supervisor", \
"/etc/postgresql/9.4/main", \
"/var/lib/postgresql/9.4/main"]
EXPOSE 5432