Dockerfile

FROM openjdk:8-jre
MAINTAINER pjpires@gmail.com

# Export HTTP & Transport
EXPOSE 9200 9300

ENV VERSION 2.4.1

# Install Elasticsearch.
RUN apt update && apt install -y sudo uuid-runtime && \
  ( curl -Lskj https://download.elasticsearch.org/elasticsearch/release/org/elasticsearch/distribution/tar/elasticsearch/$VERSION/elasticsearch-$VERSION.tar.gz | \
  gunzip -c - | tar xf - ) && \
  mv /elasticsearch-$VERSION /elasticsearch && \
  rm -rf $(find /elasticsearch | egrep "(\.(exe|bat)$|sigar/.*(dll|winnt|x86-linux|solaris|ia64|freebsd|macosx))")

# Volume for Elasticsearch data
VOLUME ["/data"]

# Copy configuration
COPY config /elasticsearch/config

# Copy run script
COPY run.sh /

# Set environment variables defaults
ENV ES_HEAP_SIZE 512m
ENV CLUSTER_NAME elasticsearch-default
ENV NODE_MASTER true
ENV NODE_DATA true
ENV HTTP_ENABLE true
ENV NETWORK_HOST _site_
ENV HTTP_CORS_ENABLE true
ENV HTTP_CORS_ALLOW_ORIGIN *
ENV NUMBER_OF_MASTERS 1
ENV NUMBER_OF_SHARDS 1
ENV NUMBER_OF_REPLICAS 0

CMD ["/run.sh"]