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Dockerfile
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Dockerfile
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# vim:set ft=dockerfile:
FROM debian:jessie
# add our user and group first to make sure their IDs get assigned consistently, regardless of whatever dependencies get added
RUN groupadd -r postgres && useradd -r -g postgres postgres
# grab gosu for easy step-down from root
RUN gpg --keyserver pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4
RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates wget && rm -rf /var/lib/apt/lists/* \
&& wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/1.2/gosu-$(dpkg --print-architecture)" \
&& wget -O /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/1.2/gosu-$(dpkg --print-architecture).asc" \
&& gpg --verify /usr/local/bin/gosu.asc \
&& rm /usr/local/bin/gosu.asc \
&& chmod +x /usr/local/bin/gosu \
&& apt-get purge -y --auto-remove ca-certificates wget
# make the "en_US.UTF-8" locale so postgres will be utf-8 enabled by default
RUN apt-get update && apt-get install -y locales && rm -rf /var/lib/apt/lists/* \
&& localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8
ENV LANG en_US.utf8
RUN mkdir /docker-entrypoint-initdb.d
RUN apt-key adv --keyserver ha.pool.sks-keyservers.net --recv-keys B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8
ENV PG_MAJOR 9.5
ENV PG_VERSION 9.5~alpha2-1.pgdg80+1
RUN echo 'deb http://apt.postgresql.org/pub/repos/apt/ jessie-pgdg main' $PG_MAJOR > /etc/apt/sources.list.d/pgdg.list
RUN apt-get update \
&& apt-get install -y postgresql-common \
&& sed -ri 's/#(create_main_cluster) .*$/\1 = false/' /etc/postgresql-common/createcluster.conf \
&& apt-get install -y \
postgresql-$PG_MAJOR=$PG_VERSION \
postgresql-contrib-$PG_MAJOR=$PG_VERSION \
&& rm -rf /var/lib/apt/lists/*
RUN mkdir -p /var/run/postgresql && chown -R postgres /var/run/postgresql
ENV PATH /usr/lib/postgresql/$PG_MAJOR/bin:$PATH
ENV PGDATA /var/lib/postgresql/data
VOLUME /var/lib/postgresql/data
COPY docker-entrypoint.sh /
ENTRYPOINT ["/docker-entrypoint.sh"]
EXPOSE 5432
CMD ["postgres"]