FROM ruby:2.2-slim

# add our user and group first to make sure their IDs get assigned consistently, regardless of whatever dependencies get added
RUN groupadd -r redmine && useradd -r -g redmine redmine

# grab gosu for easy step-down from root
ENV GOSU_VERSION 1.7
RUN set -x \
	&& curl -fSL -o /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture)" \
	&& curl -fSL -o /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture).asc" \
	&& export GNUPGHOME="$(mktemp -d)" \
	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4 \
	&& gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu \
	&& rm -r "$GNUPGHOME" /usr/local/bin/gosu.asc \
	&& chmod +x /usr/local/bin/gosu \
	&& gosu nobody true

# grab tini for signal processing and zombie killing
ENV TINI_VERSION v0.9.0
RUN set -x \
	&& curl -fSL -o /usr/local/bin/tini "https://github.com/krallin/tini/releases/download/$TINI_VERSION/tini" \
	&& curl -fSL -o /usr/local/bin/tini.asc "https://github.com/krallin/tini/releases/download/$TINI_VERSION/tini.asc" \
	&& export GNUPGHOME="$(mktemp -d)" \
	&& gpg --keyserver ha.pool.sks-keyservers.net --recv-keys 6380DC428747F6C393FEACA59A84159D7001A4E5 \
	&& gpg --batch --verify /usr/local/bin/tini.asc /usr/local/bin/tini \
	&& rm -r "$GNUPGHOME" /usr/local/bin/tini.asc \
	&& chmod +x /usr/local/bin/tini \
	&& tini -h

RUN apt-get update && apt-get install -y --no-install-recommends \
		imagemagick \
		libmysqlclient18 \
		libpq5 \
		libsqlite3-0 \
		\
		bzr \
		git \
		mercurial \
		openssh-client \
		subversion \
	&& rm -rf /var/lib/apt/lists/*

ENV RAILS_ENV production
WORKDIR /usr/src/redmine

ENV REDMINE_VERSION 3.2.1
ENV REDMINE_DOWNLOAD_MD5 425aa0c56b66bf48c878798a9f7c6546

RUN curl -fSL "http://www.redmine.org/releases/redmine-${REDMINE_VERSION}.tar.gz" -o redmine.tar.gz \
	&& echo "$REDMINE_DOWNLOAD_MD5 redmine.tar.gz" | md5sum -c - \
	&& tar -xvf redmine.tar.gz --strip-components=1 \
	&& rm redmine.tar.gz files/delete.me log/delete.me \
	&& mkdir -p tmp/pdf public/plugin_assets \
	&& chown -R redmine:redmine ./

RUN buildDeps='\
		gcc \
		libmagickcore-dev \
		libmagickwand-dev \
		libmysqlclient-dev \
		libpq-dev \
		libsqlite3-dev \
		make \
		patch \
	' \
	&& set -ex \
	&& apt-get update && apt-get install -y $buildDeps --no-install-recommends \
	&& rm -rf /var/lib/apt/lists/* \
	&& bundle install --without development test \
	&& for adapter in mysql2 postgresql sqlite3; do \
		echo "$RAILS_ENV:" > ./config/database.yml; \
		echo "  adapter: $adapter" >> ./config/database.yml; \
		bundle install --without development test; \
	done \
	&& rm ./config/database.yml \
	&& apt-get purge -y --auto-remove $buildDeps


VOLUME ["/usr/src/redmine/files", "/usr/src/redmine/plugins"]

RUN mkdir /usr/src/redmine/public/themes/circle
COPY circle /usr/src/redmine/public/themes/circle/
RUN chown -R redmine:redmine /usr/src/redmine/public/themes/circle
RUN chmod -R 775 /usr/src/redmine/public/themes/circle

COPY docker-entrypoint.sh /
ENTRYPOINT ["/docker-entrypoint.sh"]

EXPOSE 3000
CMD ["rails", "server", "-b", "0.0.0.0"]