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Dockerfile
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# Dockerfile for ELK stack
# Elasticsearch, Logstash, Kibana 8.15.1
# Build with:
# docker build -t <repo-user>/elk .
# Run with:
# docker run -p 5601:5601 -p 9200:9200 -p 5044:5044 -it --name elk <repo-user>/elk
# replace with master-arm64 for ARM64
ARG IMAGE=focal-1.1.0
FROM phusion/baseimage:${IMAGE}
MAINTAINER Sebastien Pujadas http://pujadas.net
ENV \
REFRESHED_AT=2020-06-20
###############################################################################
# INSTALLATION
###############################################################################
### install prerequisites (cURL, gosu, tzdata, JDK for Logstash)
RUN set -x \
&& apt update -qq \
&& apt install -qqy --no-install-recommends ca-certificates curl gosu tzdata openjdk-11-jdk-headless \
&& apt clean \
&& rm -rf /var/lib/apt/lists/* \
&& gosu nobody true \
&& set +x
### set current package version
ARG ELK_VERSION=8.15.1
# base version (i.e. remove OSS prefix) for Elasticsearch and Kibana (no OSS version since 7.11.0)
ARG ELK_BASE_VERSION=8.15.1
# replace with aarch64 for ARM64 systems
ARG ARCH=x86_64
### install Elasticsearch
# predefine env vars, as you can't define an env var that references another one in the same block
ENV \
ES_VERSION=${ELK_BASE_VERSION} \
ES_HOME=/opt/elasticsearch
ENV \
ES_PACKAGE=elasticsearch-${ES_VERSION}-linux-${ARCH}.tar.gz \
ES_GID=991 \
ES_UID=991 \
ES_PATH_CONF=/etc/elasticsearch \
ES_PATH_BACKUP=/var/backups
RUN DEBIAN_FRONTEND=noninteractive \
&& mkdir ${ES_HOME} \
&& curl -O https://artifacts.elastic.co/downloads/elasticsearch/${ES_PACKAGE} \
&& tar xzf ${ES_PACKAGE} -C ${ES_HOME} --strip-components=1 \
&& rm -f ${ES_PACKAGE} \
&& groupadd -r elasticsearch -g ${ES_GID} \
&& useradd -r -s /usr/sbin/nologin -M -d ${ES_HOME} -c "Elasticsearch service user" -u ${ES_UID} -g elasticsearch elasticsearch \
&& mkdir -p /var/log/elasticsearch ${ES_PATH_CONF} ${ES_PATH_CONF}/scripts ${ES_PATH_CONF}/jvm.options.d /var/lib/elasticsearch ${ES_PATH_BACKUP} \
&& chown -R elasticsearch:elasticsearch ${ES_HOME} /var/log/elasticsearch /var/lib/elasticsearch ${ES_PATH_CONF} ${ES_PATH_BACKUP}
### install Logstash
ENV \
LOGSTASH_VERSION=${ELK_VERSION} \
LOGSTASH_HOME=/opt/logstash
ENV \
LOGSTASH_PACKAGE=logstash-${LOGSTASH_VERSION}-linux-${ARCH}.tar.gz \
LOGSTASH_GID=992 \
LOGSTASH_UID=992 \
LOGSTASH_PATH_CONF=/etc/logstash \
LOGSTASH_PATH_SETTINGS=${LOGSTASH_HOME}/config
RUN mkdir ${LOGSTASH_HOME} \
&& curl -O https://artifacts.elastic.co/downloads/logstash/${LOGSTASH_PACKAGE} \
&& tar xzf ${LOGSTASH_PACKAGE} -C ${LOGSTASH_HOME} --strip-components=1 \
&& rm -f ${LOGSTASH_PACKAGE} \
&& groupadd -r logstash -g ${LOGSTASH_GID} \
&& useradd -r -s /usr/sbin/nologin -M -d ${LOGSTASH_HOME} -c "Logstash service user" -u ${LOGSTASH_UID} -g logstash logstash \
&& mkdir -p /var/log/logstash ${LOGSTASH_PATH_CONF}/conf.d \
&& chown -R logstash:logstash ${LOGSTASH_HOME} /var/log/logstash ${LOGSTASH_PATH_CONF}
### install Kibana
ENV \
KIBANA_VERSION=${ELK_BASE_VERSION} \
KIBANA_HOME=/opt/kibana
ENV \
KIBANA_PACKAGE=kibana-${KIBANA_VERSION}-linux-${ARCH}.tar.gz \
KIBANA_GID=993 \
KIBANA_UID=993
RUN mkdir ${KIBANA_HOME} \
&& curl -O https://artifacts.elastic.co/downloads/kibana/${KIBANA_PACKAGE} \
&& tar xzf ${KIBANA_PACKAGE} -C ${KIBANA_HOME} --strip-components=1 \
&& rm -f ${KIBANA_PACKAGE} \
&& groupadd -r kibana -g ${KIBANA_GID} \
&& useradd -r -s /usr/sbin/nologin -d ${KIBANA_HOME} -c "Kibana service user" -u ${KIBANA_UID} -g kibana kibana \
&& mkdir -p /var/log/kibana \
&& chown -R kibana:kibana ${KIBANA_HOME} /var/log/kibana
###############################################################################
# START-UP SCRIPTS
###############################################################################
### Elasticsearch
ADD ./elasticsearch-init /etc/init.d/elasticsearch
RUN sed -i -e 's#^ES_HOME=$#ES_HOME='$ES_HOME'#' /etc/init.d/elasticsearch \
&& chmod +x /etc/init.d/elasticsearch
### Logstash
ADD ./logstash-init /etc/init.d/logstash
RUN sed -i -e 's#^LS_HOME=$#LS_HOME='$LOGSTASH_HOME'#' /etc/init.d/logstash \
&& chmod +x /etc/init.d/logstash
### Kibana
ADD ./kibana-init /etc/init.d/kibana
RUN sed -i -e 's#^KIBANA_HOME=$#KIBANA_HOME='$KIBANA_HOME'#' /etc/init.d/kibana \
&& chmod +x /etc/init.d/kibana
###############################################################################
# CONFIGURATION
###############################################################################
### configure Elasticsearch
ADD ./elasticsearch.yml ${ES_PATH_CONF}/elasticsearch.yml
ADD ./elasticsearch-default /etc/default/elasticsearch
RUN cp ${ES_HOME}/config/log4j2.properties ${ES_HOME}/config/jvm.options \
${ES_PATH_CONF} \
&& chown -R elasticsearch:elasticsearch ${ES_PATH_CONF} \
&& chmod -R +r ${ES_PATH_CONF}
### configure Logstash
# certs/keys for Beats and Lumberjack input
RUN mkdir -p /etc/pki/tls/{certs,private}
ADD ./logstash-beats.crt /etc/pki/tls/certs/logstash-beats.crt
ADD ./logstash-beats.key /etc/pki/tls/private/logstash-beats.key
# pipelines
ADD pipelines.yml ${LOGSTASH_PATH_SETTINGS}/pipelines.yml
# filters
ADD ./logstash-conf/*.conf ${LOGSTASH_PATH_CONF}/conf.d/
# patterns
ADD ./nginx.pattern ${LOGSTASH_HOME}/patterns/nginx
RUN chown -R logstash:logstash ${LOGSTASH_HOME}/patterns
# Fix permissions
RUN chmod -R +r ${LOGSTASH_PATH_CONF} ${LOGSTASH_PATH_SETTINGS} \
&& chown -R logstash:logstash ${LOGSTASH_PATH_SETTINGS}
### configure logrotate
ADD ./elasticsearch-logrotate /etc/logrotate.d/elasticsearch
ADD ./logstash-logrotate /etc/logrotate.d/logstash
ADD ./kibana-logrotate /etc/logrotate.d/kibana
RUN chmod 644 /etc/logrotate.d/elasticsearch \
&& chmod 644 /etc/logrotate.d/logstash \
&& chmod 644 /etc/logrotate.d/kibana
### configure Kibana
ADD ./kibana.yml ${KIBANA_HOME}/config/kibana.yml
###############################################################################
# START
###############################################################################
ADD ./start.sh /usr/local/bin/start.sh
RUN chmod +x /usr/local/bin/start.sh
EXPOSE 5601 9200 9300 9600 5044
VOLUME /var/lib/elasticsearch
CMD [ "/usr/local/bin/start.sh" ]