# Copyright 2017 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# A Dockerfile for creating an Elasticsearch instance that is designed
# to work with Kubernetes logging. Inspired by the Dockerfile
# dockerfile/elasticsearch

FROM java:openjdk-8-jre-alpine


ENV DEBIAN_FRONTEND noninteractive
ENV ELASTICSEARCH_VERSION 5.4.0

RUN apk update && \
    apk --no-cache add \
        --repository https://dl-3.alpinelinux.org/alpine/edge/testing \
        --repository https://dl-3.alpinelinux.org/alpine/edge/community \
        curl \
        shadow \
        tar \
        gosu

RUN set -x \
    && cd / \
    && mkdir /elasticsearch \
    && curl -O https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-$ELASTICSEARCH_VERSION.tar.gz \
    && tar xf elasticsearch-$ELASTICSEARCH_VERSION.tar.gz -C /elasticsearch --strip-components=1 \
    && rm elasticsearch-$ELASTICSEARCH_VERSION.tar.gz

COPY config /elasticsearch/config

COPY run.sh /
COPY elasticsearch_logging_discovery /

RUN useradd --no-create-home --user-group elasticsearch \
    && mkdir /data \
    && chown -R elasticsearch:elasticsearch /elasticsearch


VOLUME ["/data"]
EXPOSE 9200 9300

CMD ["/run.sh"]