# vim:set ft=dockerfile:
FROM debian:wheezy

# 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

RUN apt-get update && apt-get install -y curl

RUN curl -o /usr/local/bin/gosu -SL 'https://github.com/tianon/gosu/releases/download/1.1/gosu' \
	&& chmod +x /usr/local/bin/gosu

ENV PG_MAJOR %%PG_MAJOR%%
ENV PG_VERSION %%PG_VERSION%%

RUN echo 'deb http://apt.postgresql.org/pub/repos/apt/ wheezy-pgdg main' $PG_MAJOR > /etc/apt/sources.list.d/pgdg.list \
	&& curl -sSL https://www.postgresql.org/media/keys/ACCC4CF8.asc \
		| apt-key add - ED6D65271AACF0FF15D123036FB2A1C265FFB764

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

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

ADD ./docker-entrypoint.sh /

ENTRYPOINT ["/docker-entrypoint.sh"]

EXPOSE 5432
CMD ["postgres"]