Dockerfile

FROM openjdk:8-jre

# grab gosu for easy step-down from root
ENV GOSU_VERSION 1.7
RUN set -x \
	&& wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture)" \
	&& wget -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

# https://www.elastic.co/guide/en/elasticsearch/reference/current/setup-repositories.html
# https://packages.elasticsearch.org/GPG-KEY-elasticsearch
RUN apt-key adv --keyserver ha.pool.sks-keyservers.net --recv-keys 46095ACC8548582C1A2699A9D27D666CD88E42B4

ENV ELASTICSEARCH_VERSION 1.7.5
ENV ELASTICSEARCH_REPO_BASE http://packages.elasticsearch.org/elasticsearch/1.7/debian

RUN echo "deb $ELASTICSEARCH_REPO_BASE stable main" > /etc/apt/sources.list.d/elasticsearch.list

RUN set -x \
	&& apt-get update \
	&& apt-get install -y --no-install-recommends elasticsearch=$ELASTICSEARCH_VERSION \
	&& rm -rf /var/lib/apt/lists/*

ENV PATH /usr/share/elasticsearch/bin:$PATH

WORKDIR /usr/share/elasticsearch

RUN set -ex \
	&& for path in \
		./data \
		./logs \
		./config \
		./config/scripts \
	; do \
		mkdir -p "$path"; \
		chown -R elasticsearch:elasticsearch "$path"; \
	done

COPY config ./config

VOLUME /usr/share/elasticsearch/data

COPY docker-entrypoint.sh /

EXPOSE 9200 9300
ENTRYPOINT ["/docker-entrypoint.sh"]
CMD ["elasticsearch"]